Publications

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2026

Conference PaperLearning Resolvent-Based Jet-Noise Models

Ethan R. Eichberger, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art No. 2026-3307 doi:10.2514/6.2026-3307

Conference PaperNonlinear Disturbance Evolution in Boundary Layers Using a Recursive One-Way Navier-Stokes Approach

Michael K. Sleeman, Sam Glenn, Matthew K. Lakebrink, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art No. 2026-4162 doi:10.2514/6.2026-4162

Conference PaperReceptivity Analysis of a Planar Wedge Geometry With Shock-Perturbation Interactions

Vishal Anantharaman, Omar Kamal, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art No. 2026-4299 doi:10.2514/6.2026-4299

PhD ThesisNonlinear Disturbance Evolution in Boundary Layers Using the One-Way Navier-Stokes Equations

Michael Kenneth Elliott Sleeman

Ph.D. thesis, California Institute of Technology

PreprintBand-Ensemble Spectral Proper Orthogonal Decomposition with Frequency Attribution

Jakob G.R. von Saldern, Oliver T. Schmidt, Philipp Godbersen, J. Moritz Reumschüssel, Tim Colonius

arXiv

Journal ArticleMFC 5.0: An exascale many-physics flow solver

Benjamin Wilfong, Henry A. Le Berre, Anand Radhakrishnan, Anish Gupta, Diego Vaca-Revelo, Dimitrios Adam, Yu, Haocheng , Hyeoksu Lee, Jose Rodolfo Chreim, Mirelys Carcana Barbosa, Yanjun Zhang, Esteban Cisneros-Garibay, Aswin Gnanaskandan, Mauro Jr. Rodriguez, Reuben D. Budiardja, Stephen Abbott, Tim Colonius, Spencer H. Bryngelson

Computer Physics Communications, Art. No. 110055 doi:10.1016/j.cpc.2026.110055

Conference PaperGrid resolution assessment in wall-modeled large-eddy simulation via velocity gradient partitioning

Di Zhou, Arun, Rahul, Tim Colonius, H Jane Bae

in American Institute of Aeronautics and Astronautics, Art. No. 2025-1376 doi:10.2514/6.2025-1376

2025

Journal ArticleLinear Analysis of Boundary-Layer Instabilities on a Finned-Cone at Mach 6

D. Araya, N. Bitter, B. M. Wheaton, O. Kamal, T. Colonius, A. Knutson, H. Johnson, J. Nichols, G. V. Candler, V. Russo, C. Brehm

AIAA Journal, vol. 63, no. 7, 2594-2614

PhD ThesisBeyond Symmetry: Normality-Based Analysis of Velocity Gradients in Turbulent Flows

Rahul Arun

Ph.D. thesis, California Institute of Technology

Journal ArticleNormality-based analysis of multiscale velocity gradients and energy transfer in direct and large-eddy simulations of isotropic turbulence

Rahul Arun, Mostafa Kamal, Tim Colonius, Perry L Johnson

Journal of Fluid Mechanics, vol. 1021, Art. No. A47 doi:10.1017/jfm.2025.10748

Journal ArticleSpectral proper orthogonal decomposition using sub-Nyquist rate data

Caroline Cardinale, Steven L Brunton, Tim Colonius

Physical Review Fluids, vol. 10, Art. No. 124904 doi:10.1103/vxqz-8fl5

Book ChapterModal decomposition

Tim Colonius, Aaron Towne

in Data driven analysis and modeling of turbulent flows, Academic Press

Journal ArticleNumerical methods for multiphase flows

Manuel Garcia-Villalba, Tim Colonius, Olivier Desjardins, Dirk Lucas, Ali Mani, Daniele Marchisio, Omar K Matar, Francesco Picano, Stéphane Zaleski

International Journal of Multiphase Flow, vol. 191, Art. No. 105285 doi:10.1016/j.ijmultiphaseflow.2025.105285

PhD ThesisFast Algorithms for Spanwise Periodic Incompressible External Flows: From Simulation to Analysis

Wei Hou

Ph.D. thesis, California Institute of Technology

Journal ArticleFast and robust method for screened Poisson lattice Green's function using asymptotic expansion and Fast Fourier Transform

Wei Hou, Tim Colonius

SIAM Journal on Scientific Computing, vol. 47, no. 2, A1198-A1224 doi:10.1137/24M1646789

Conference PaperOptimal Receptivity of Hypersonic Boundary Layers with Wall-Cooling

Omar Kamal, Matthew T. Lakebrink, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2025-1336 doi:10.2514/6.2025-1336

Journal ArticleInstabilities in the Flow Over a Spinning Disk at Angle of Attack

Marcus Kuok Kuan Lee, Tim Colonius, Beverley J. Mckeon

Journal of Fluid Mechanics, vol. 1025, Art. No. A48 doi:10.1017/jfm.2025.10943

Conference PaperAzimuthal vortex instability in turbulent jets

Akhil Nakkanti, Michael Wadas, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2025-3833 doi:10.2514/6.2025-3833

Journal ArticleBispectral decomposition and energy transfer in a turbulent jet

Akhil Nekkanti, Ethan Pickering, Oliver T. Schmidt, Tim Colonius

Journal of Fluid Mechanics, vol. 1025, Art. No. A35 doi:10.1017/jfm.2025.10922.

Journal ArticleResolvent4py: A parallel Python package for analysis, model reduction and control of large-scale linear systems

Alberto Padovan, Vishal Anantharaman, Clarence W. Rowlley, Blaine Vollmer, Tim Colonius, Daniel J. Bodony

SoftwareX, vol. 31, Art no. 102286 doi:10.1016/j.softx.2025.102286

Journal ArticleBoundary-Layer Stability Analysis Using the Nonlinear One-Way Navier--Stokes Approach

Michael K Sleeman, Tim Colonius, Matthew T Lakebrink

AIAA Journal, vol. 63, no. 8, 3145-3159 doi:10.2514/1.J064909

PreprintGreedy recursion parameter selection for the One-Way Navier-Stokes (OWNS) equations

Michael K Sleeman, Tim Colonius

arXiv

2024

Journal ArticleVelocity gradient analysis of a head-on vortex ring collision

Rahul Arun, Tim Colonius

Journal of Fluid Mechanics, vol. 982, Art. No. A16 doi:10.1017/jfm.2024.90

Journal ArticleVelocity gradient partitioning in turbulent flows

Rahul Arun, Tim Colonius

Journal of Fluid Mechanics, vol. 1000, Art. No. R5 doi:10.1017/jfm.2024.1021

Journal ArticleFiltering Dynamical Systems Using Observations of Statistics

Eviatar Bach, Tim Colonius, Isabel Scherl, Stuart Andrew

Chaos: An Interdisciplinary Journal of Nonlinear Science, vol. 34, no. 3, Art. No. 033119 doi:10.1063/5.0171827

Conference PaperA phase change model for the simulation of cavitating droplet aerobreakup using interface-capturing schemes interface-capturing schemes

Jose Rodolfo Chreim, Mauro Jr. Rodriguez, Tim Colonius

Conference PaperLocalized Resolvent-Mode Bases for Turbulence Statistics

Ethan R Eichberger, Liam Heidt, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2024-3205 doi:10.2514/6.2024-3205

Conference PaperResolvent Modeling of Subsonic Jet Noise

Barbara Hasparyk, Peter Jordan, Lutz Lesshafft, Ethan Pickering, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2024-3199 doi:10.2514/6.2024-3199

PhD ThesisModal analysis of harmonically forced turbulent flows with application to jets

Liam Heidt

Ph.D. thesis, California Institute of Technology

PreprintOptimal frequency resolution for spectral proper orthogonal decomposition

Liam Heidt, Tim Colonius

arXiv

Journal ArticleSpectral proper orthogonal decomposition of harmonically forced turbulent flows

Liam Heidt, Tim Colonius

Journal of Fluid Mechanics, vol. 985, Art. No. A42 doi:10.1017/jfm.2024.70

Journal ArticleAn adaptive lattice Green's function method for external flows with two unbounded and one homogeneous directions

Wei Hou, Tim Colonius

Journal of Computational Physics, vol. 519, Art. No. 113370 doi:10.1016/j.jcp.2024.113370

Journal ArticleSuperresolution and analysis of three-dimensional velocity fields of underexpanded jets in different screech modes

Chungil Lee, Yuta Ozawa, Takayuki Nagata, Tim Colonius, Taku Nonomura

Physical Review Fluids, vol. 9, no. 10, Art. No. 104604 doi:10.1103/PhysRevFluids.9.104604

Journal ArticleThe effect of flight on a turbulent jet: coherent structure eduction and resolvent analysis

Igor A Maia, Liam Heidt, Ethan Pickering, Tim Colonius, Peter Jordan, Guillaume Brés

Journal of Fluid Mechanics, vol. 985, Art. No. A21 doi:10.1017/jfm.2024.301

Conference PaperNonlinear Interactions in Non-Resonant, Homogeneous Turbulent Jets

Akhil Nekkanti, Ethan Pickering, Tim Colonius, Oliver T Schmid

in American Institute of Aeronautics and Astronautics, Art. No. 2024-3414 doi:10.2514/6.2024-3414

PreprintNonlinear dynamics of vortex pairing in transitional jets

Akhil Nekkanti, Tim Colonius, Oliver T Schmidt

arXiv

Journal ArticleMethod for portable, scalable, and performant GPU-accelerated simulation of multiphase compressible flow

Anand Radhakrishnan, Henry Le Berre, Benjamin Wilfong, Jean-Sebastien Spratt, Mauro Jr. Rodriguez, Tim Colonius, Spencer H Bryngelson

Computer Physics Communications, vol. 302, Art. No. 109238 doi:10.1016/j.cpc.2024.109238

Journal ArticleThe starting vortices generated by bodies with sharp and straight edges in a viscous fluid

John E Sader, Wei Hou, Edward M Hinton, DI Pullin, Tim Colonius

Journal of Fluid Mechanics, vol. 992, Art. No. A15 doi:doi:10.1017/jfm.2024.515

Conference PaperStarting vortices generated by arbitrary bodies with sharp edges

John E Sader, Edward M Hinton, Wei Hou, Anthony Leonard, Tim Colonius, DI Pullin

in 24th Australasian Fluid Mechanics Conference, Paper No. AFMC2024-81

Conference PaperThe Nonlinear One-Way Navier-Stokes (NOWNS) Approach for Boundary-Layer Transition

Michael K Sleeman, Matthew T Lakebrink, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2024-3530 doi:10.2514/6.2024-3530

PhD ThesisNumerical Simulations of Cavitating Bubbles in Elastic and Viscoelastic Materials for Biomedical Applications

Jean Sebastian Spratt

Ph.D. thesis, California Institute of Technology

Conference PaperCoherence Decay in Turbulent Jets by Stochastic Modelling Under Location Uncertanty

Gilles Tissot, André Cavalieri, Tim Colonius, Peter Jordan, Mémin Etienne

in American Institute of Aeronautics and Astronautics, Art. No. 2024-3204 doi:10.2514/6.2024-3204

2023

Journal ArticleConditional moment methods for polydisperse cavitating flows

Spencer H. Bryngelson, Rodney O. Fox, Tim Colonius

Journal of Computational Physics, vol. 477, Art. No.111917 doi:10.1016/j.jcp.2023.111917

Conference PaperCavitation Inside Droplets Induced by Shocks

Jose Rodolfo Chreim, Mauro Jr. Rodriguez, Tim Colonius

Book ChapterBoundary conditions for turbulence simulation

Tim Colonius

in Numerical Methods in Turbulence Simulation, Academic Press, 319-357 doi:10.1016/B978-0-32-391144-3.00014-0

Conference PaperTwo-point measurements on the acoustic field of subsonic turbulent jets

Barbara Gramiscelli Hasparyk, Peter Jordan, Anton Lebedev, Lutz Lesshafft, Ethan M Pickering, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2023-4290 doi:10.2514/6.2023-4290

Conference PaperCyclostationary analysis of forced turbulent jets

Liam Heidt, Akhil Nekkanti, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2023-3652 doi:10.2514/6.2023-3652

Conference PaperThree-dimensional Stability and Resolvent Analysis of External Flows Over Spanwise-homogeneous Immersed Bodies

Wei Hou, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2023-3414 doi:10.2514/6.2023-3414

Journal ArticleGobal receptivity analysis: physically realizable input-output analysis

Omar Kamal, Matthew T. Lakebrink, Tim Colonius

Journal of Fluid Mechanics, vol. 956, Art. No. R5 doi:10.1017/jfm.2023.48

Conference PaperBispectral mode decomposition of axisymmetrically and non-axisymmetrically forced turbulent jets

Akhil Nekkanti, Oliver T Schmidt, Igor Maia, Peter Jordan, Liam Heidt, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2023-3651 doi:10.2514/6.2023-3651

Conference PaperNonlinear stability of wall-bounded flows using the One-Way Navier-Stokes (OWNS) Equations

Michael K Sleeman, Matthew T Lakebrink, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2023-3273 doi:10.2514/6.2023-3273

2022

Conference PaperAssessment of Linear Methods for Analysis of Boundary Layer Instabilities on a Finned Cone at Mach 6

D. Araya, N. Bitter, B. M. Wheaton, O. Kamal, T. Colonius, A. Knutson, H. Johnson, J. Nichols, G. V. Candler, V. Russo, C. Brehm

in American Institute of Aeronautics and Astronautics, Art. No. 2022-3247 doi:10.2514/6.2022-3247

Journal ArticleImproving burst wave lithotripsy effectiveness for small stones and fragments by increasing frequency: theoretical modeling and ex vivo study

M. R. Bailey, A. D. Maxwell, S. Cao, S. Ramesh, Z. Liu, J. Caldwell Jr. Williams, J. Thiel, B. Dunmire, T. Colonius, E. Kuznetsova, W. Kreider, M. D. Sorensen, J. E. Lingeman, O. A. Sapozhnikov

Journal of Endourology, vol. 36, no. 7, 996-1003 doi:10.1089/end.2021.0714

Journal ArticleParticle-Assisted Laser-Induced Inertial Cavitation for High Strain-Rate Soft Material Characterization

S. Buyukozturk, J.-S. Spratt, D. L. Henann, T. Colonius, C. Franck

Experimental Mechanics, vol. 62, no. 6, 1037-1050 doi:10.1007/s11340-022-00861-7

Journal ArticleHybrid quadrature moment method for accurate and stable representation of non-Gaussian processes applied to bubble dynamics

A. Charalampopoulos, S. H. Bryngelson, T. Colonius, T. P. Sapsis

Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, vol. 380, Art. No. 20210209

Conference PaperAn Adaptive, Scalable, and Robust Approach for Computing External Flows via the Immersed Boundary Method

Tim Colonius

3-3

PhD ThesisOptimal Receptivity and the Generalization of the One-Way Navier-Stokes (OWNS) Equations to Complex High-Speed Boundary Layers and Jets

Omar Kamal

Ph.D. thesis, California Institute of Technology

Conference PaperInput/output analysis of a Mach-6 cooled-wall hypersonic boundary layer using the One-Way Navier-Stokes (OWNS) Equations

O. Kamal, G. Rigas, M. T. Lakebrink, T. Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2022-3556 doi:10.2514/6.2022-3556

PhD ThesisInstabilities in the Flow Over a Spinning Disk at Angle of Attack

Marcus Kuok Kuan Lee

Ph.D. thesis, California Institute of Technology

Conference PaperTriadic nonlinear interactions and acoustics of forced versus unforced turbulent jets

Akhil Nekkanti, Igor Maia, Peter Jordan, Liam Heidt, Tim Colonius, Oliver T Schmidt

in Twelveth International Symposium on Turbulence and Shear Flow Phenomena (TSFP12)

Conference PaperDMD-based Superresolution Measurement of a Supersonic Jet using Dual Planar PIV and Acoustic Data

Y. Ozawa, H. Nishikori, T. Nagata, T. Nonomura, K. Asai, T. Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2022-3065 doi:10.2514/6.2022-3065

Conference PaperElectromagnetic Fluid-Structural Energy Harvesters: Energy Balance and Coupling Mechanisms

Martín Saravia, Tim Colonius, Luis P Tosi

967-967

PhD ThesisApplications of Machine Learning to Finite Volume Methods

Benjamin Stevens

Ph.D. thesis, California Institute of Technology

Journal ArticleFiniteNet: A Fully Convolutional LSTM Network Architecture for Time-Dependent Partial Differential Equations

B. Stevens, T. Colonius

arXiv

Journal ArticleEfficient global resolvent analysis via the one-way Navier--Stokes equations

Aaron Towne, Georgios Rigas, Omar Kamal, Ethan Pickering, Tim Colonius

Journal of Fluid Mechanics, vol. 948, Art. A9 doi:10.1017/jfm.2022.647

Journal ArticleIntroduction to the special issue on supersonic jet noise

Alan T. Wall, Kent L. Gee, Philip J. Morris, Tim Colonius, K. Todd Lowe

Journal of the Acoustical Society of America, vol. 151, no. 2, 806-816 doi:10.1121/10.0009321

Journal ArticleMulti-resolution lattice Green's function method for incompressible flows

K. Yu, B. Dorschner, T. Colonius

Journal of Computational Physics, vol. 459, Art. No. 110845 doi:10.1016/j.jcp.2021.110845

2021

Journal ArticleLift coefficient estimation for a rapidly pitching airfoil

Xuanhong An, David R. Williams, Jeff D. Eldredge, Tim Colonius

Experiments in Fluids, vol. 62, no. 1, Art. No. 11 doi:10.1007/s00348-020-03105-3

Journal ArticleAmplitude Scaling of Wave Packets in Turbulent Jets

Luigi A. Antonialli, André V. G. Cavalieri, Oliver T. Schmidt, Tim Colonius, Peter Jordan, Aaron Towne, Guillaume A. Brès

AIAA Journal, vol. 59, no. 2, 559-568 doi:10.2514/1.j059599

Conference PaperTowards large-eddy simulations of supersonic jets from twin rectangular nozzle with plasma actuation

Guillaume A. Brès, Brandon Yeung, Oliver T. Schmidt, Ata Ghassemi Isfahani, Nathan J. Webb, Mo Samimy, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2021-2154 doi:10.2514/6.2021-2154

Journal ArticleMFC: An open-source high-order multi-component, multi-phase, and multi-scale compressible flow solver

Spencer H. Bryngelson, Kevin Schmidmayer, Vedran Coralic, Jomela C. Meng, Kazuki Maeda, Tim Colonius

Computer Physics Communications, vol. 266, Art. No. 107396 doi:10.1016/j.cpc.2020.107396

Conference PaperA statistics-based model for cavitating polydisperse bubble clouds and their two-way-flow coupling

Spencer H. Bryngelson, Tim Colonius

in Journal of the Acoustical Society of America, A29-A30 doi:10.1121/10.0004431

Conference PaperAnalysis of forced subsonic jets using spectral proper orthogonal decomposition and resolvent analysis

Liam Heidt, Tim Colonius, Akhil Nekkanti, Oliver Schmdit, Igor Maia, Peter Jordan

in American Institute of Aeronautics and Astronautics, Art. No. 2021-2108 doi:10.2514/6.2021-2108

Journal ArticleDynamics of an inverted cantilever plate at moderate angle of attack

Cecilia Huertas-Cerdeira, Andres Goza, John E. Sader, Tim Colonius, Morteza Gharib

Journal of Fluid Mechanics, vol. 909, Art. No. A20 doi:10.1017/jfm.2020.922

Journal ArticleAn empirical correlation between lift and the properties of leading-edge vortices

T. Jardin, J. Choi, T. Colonius

Theoretical and Computational Fluid Dynamics, vol. 35, no. 4, 437-448 doi:10.1007/s00162-021-00567-x

Conference PaperInput/Output Analysis of Hypersonic Boundary Layers using the One-Way Navier-Stokes (OWNS) Equations

Omar Kamal, Georgios Rigas, Matthew Lakebrink, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2021-2827 doi:10.2514/6.2021-2827

Journal ArticleReal-time supersonic jet noise predictions from near-field sensors with a wavepacket model

Vitor G. Kleine, Kenzo Sasaki, André V. G. Cavalieri, Guillaume A. Brès, Tim Colonius

Journal of the Acoustical Society of America, vol. 150, no. 6, 4297-4307 doi:10.1121/10.0008973

Journal ArticleAcoustic cavitation rheometry

Lauren Mancia, Jin Yang, Jean-Sebastien Spratt, Jonathan R. Sukovich, Zhen Xu, Tim Colonius, Christian Franck, Eric Johnsen

Soft Matter, vol. 17, no. 10, 2931-2941 doi:10.1039/d0sm02086a

PhD ThesisResolvent Modeling of Turbulent Jets

Ethan Marcus Pickering

Ph.D. thesis, California Institute of Technology

Journal ArticleOptimal eddy viscosity for resolvent-based models of coherent structures in turbulent jets

Ethan Pickering, Georgios Rigas, Oliver T. Schmidt, Denis Sipp, Tim Colonius

Journal of Fluid Mechanics, vol. 917, Art. No. A29 doi:10.1017/jfm.2021.232

Journal ArticleResolvent-based modeling of turbulent jet noise

Ethan Pickering, Aaron Towne, Peter Jordan, Tim Colonius

Journal of the Acoustical Society of America, vol. 150, no. 4, 2421-2433 doi:10.1121/10.0006453

Journal ArticleNonlinear input/output analysis: application to boundary layer transition

Georgios Rigas, Denis Sipp, Tim Colonius

Journal of Fluid Mechanics, vol. 911, Art. No. A15 doi:10.1017/jfm.2020.982

Journal ArticleCharacterizing viscoelastic materials via ensemble-based data assimilation of bubble collapse observations

Jean-Sebastien Spratt, Mauro Rodriguez, Kevin Schmidmayer, Spencer H. Bryngelson, Jin Yang, Christian Franck, Tim Colonius

Journal of the Mechanics and Physics of Solids, vol. 152, Art. No. 104455 doi:10.1016/j.jmps.2021.104455

Journal ArticleFlutter instability in an internal flow energy harvester

Luis Phillipe Tosi, Benedikt Dorschner, Tim Colonius

Journal of Fluid Mechanics, vol. 915, Art. No. A40 doi:10.1017/jfm.2021.18

PhD ThesisMulti-resolution Lattice Green's Function Method for High Reynolds Number External Flows

Ke Yu

Ph.D. thesis, California Institute of Technology

Journal ArticleDynamics and decay of a spherical region of turbulence in free space

Ke Yu, Tim Colonius, D. I. Pullin, Grégoire Winckelmans

Journal of Fluid Mechanics, vol. 907, Art. No. A19 doi:10.1017/jfm.2020.818

2020

Journal ArticleRole of Coherent Structures in Turbulent Premixed Flame Acoustics

D. Brouzet, A. Haghiri, M. Talei, M. J. Brear, O. T. Schmidt, G. Rigas, T. Colonius

AIAA Journal, vol. 58, no. 6, 2635-2642 doi:10.2514/1.j058480

Journal ArticleQBMMlib: A library of quadrature-based moment methods

Spencer H. Bryngelson, Tim Colonius, Rodney O. Fox

SoftwareX, vol. 12, Art. No. 100615 doi:10.1016/j.softx.2020.100615

Journal ArticleSimulation of humpback whale bubble-net feeding models

Spencer H. Bryngelson, Tim Colonius

Journal of the Acoustical Society of America, vol. 147, no. 2, 1126-1135 doi:10.1121/10.0000746

Journal ArticleFlow state estimation in the presence of discretization errors

Andre F. C. da Silva, Tim Colonius

Journal of Fluid Mechanics, vol. 890, Art. No. A10 doi:10.1017/jfm.2020.103

Journal ArticleA fast multi-resolution lattice Green's function method for elliptic difference equations

Benedikt Dorschner, Ke Yu, Gianmarco Mengaldo, Tim Colonius

Journal of Computational Physics, vol. 407, Art. No. 109270 doi:10.1016/j.jcp.2020.109270

Journal ArticleOn the formation and recurrent shedding of ligaments in droplet aerobreakup

Benedikt Dorschner, Luc Biasiori-Poulanges, Kevin Schmidmayer, Hazem El-Rabii, Tim Colonius

Journal of Fluid Mechanics, vol. 904, Art. No. A20 doi:10.1017/jfm.2020.699

Book ChapterImmersed Boundary Projection Methods

Benedikt Dorschner, Tim Colonius

Springer, 3-43 doi:10.1007/978-981-15-3940-4_1

Conference PaperApplication of the One-Way Navier-Stokes (OWNS) Equations to Hypersonic Boundary Layers

Omar Kamal, Georgios Rigas, Matthew T. Lakebrink, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2020-2986 doi:10.2514/6.2020-2986

Journal ArticleAmbiguity in mean-flow-based linear analysis

U. Karban, B. Bugeat, E. Martini, A. Towne, A. V. G. Cavalieri, L. Lesshafft, A. Agarwal, P. Jordan, T. Colonius

Journal of Fluid Mechanics, vol. 900, Art. No. R5 doi:10.1017/jfm.2020.566

Journal ArticleLift-up, Kelvin-Helmholtz and Orr mechanisms in turbulent jets

Ethan Pickering, Georgios Rigas, Petrônio A. S. Nogueira, André V. G. Cavalieri, Oliver T. Schmidt, Tim Colonius

Journal of Fluid Mechanics, vol. 896, Art. No. A2 doi:10.1017/jfm.2020.301

Conference PaperResolvent-based jet noise models: a projection approach

Ethan M. Pickering, Aaron Towne, Peter Jordan, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2020-0999 doi:10.2514/6.2020-0999

Journal ArticleAn assessment of multicomponent flow models and interface capturing schemes for spherical bubble dynamics

Kevin Schmidmayer, Spencer H. Bryngelson, Tim Colonius

Journal of Computational Physics, vol. 402, Art. No. 109080 doi:10.1016/j.jcp.2019.109080

Journal ArticleGuide to Spectral Proper Orthogonal Decomposition

Oliver T Schmidt, Tim Colonius

AIAA Journal, vol. 58, no. 3, 1023-1033 doi:10.2514/1.J058809

Journal ArticleEnhancement of shock-capturing methods via machine learning

Ben Stevens, Tim Colonius

Theoretical and Computational Fluid Dynamics, vol. 34, no. 4, 483-496 doi:10.1007/s00162-020-00531-1

Journal ArticleNear-surface dynamics of a gas bubble collapsing above a crevice

Theresa Trummler, Spencer H. Bryngelson, Kevin Schmidmayer, Steffen J. Schmidt, Tim Colonius, Nikolaus A. Adams

Journal of Fluid Mechanics, vol. 899, Art. No. A16 doi:10.1017/jfm.2020.432

2019

Conference PaperAnnular and spiral bubble nets: A simulation-focused analysis of humpback whale feeding strategies

Spencer H. Bryngelson, Tim Colonius

in Journal of the Acoustical Society of America, 2771 doi:10.1121/1.5136599

Conference PaperA comparison of ensemble- and volume-averaged bubbly flow models

Spencer H. Bryngelson, Tim Colonius

Journal ArticleA quantitative comparison of phase-averaged models for bubbly, cavitating flows

Spencer H. Bryngelson, Kevin Schmidmayer, Tim Colonius

International Journal of Multiphase Flow, vol. 115, 137-143 doi:10.1016/j.ijmultiphaseflow.2019.03.028

PhD ThesisAn EnKF-based Flow State Estimator for Aerodynamic Problems

Andre da Silva

Ph.D. thesis, California Institute of Technology

Journal ArticleSpatial stability analysis of subsonic corrugated jets

F. C., Jr. Lajús, A. Sinha, A. V. G. Cavalieri, C. J. Deschamps, T. Colonius

Journal of Fluid Mechanics, vol. 876, 766-791 doi:10.1017/jfm.2019.573

Journal ArticleBubble cloud dynamics in an ultrasound field

Kazuki Maeda, Tim Colonius

Journal of Fluid Mechanics, vol. 862, 1105-1134 doi:10.1017/jfm.2018.968

Conference PaperResolvent-based analysis of streaks in turbulent jets

Petrônio A. S. Nogueira, André V. G. Cavalieri, Oliver T. Schmidt, Peter Jordan, Vincent Jaunet, Ethan Pickering, Georgios Rigas, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2019-2569

Conference PaperEddy viscosity for resolvent-based jet noise models

Ethan Pickering, Georgios Rigas, Tim Colonius, Denis Sipp, Oliver T. Schmidt

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2019-2454

Conference PaperFurthering resolvent-based jet noise models

Ethan M. Pickering, Tim Colonius

in Journal of the Acoustical Society of America, 3043 doi:10.1121/1.5137546

Journal ArticleA critical assessment of the parabolized stability equations

Aaron Towne, Georgios Rigas, Tim Colonius

Theoretical and Computational Fluid Dynamics, vol. 33, no. 2022-03-04, 359-382 doi:10.1007/s00162-019-00498-8

Conference PaperStreaks and coherent structures in jets from round and serrated nozzles

Georgios Rigas, Ethan Pickering, Oliver Schmidt, Petrônio A. S. Nogueira, André V. G. Cavalieri, Guillaume A. Brès, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2019-2597

Conference PaperA comparative study on interface-capturing models and schemes to solve bubble dynamics and cavitation

Kevin Schmidmayer, Tim Colonius

PhD ThesisFluid-Structure Instability in an Internal Flow Energy Harvester

Luis Phillipe Tosi

Ph.D. thesis, California Institute of Technology

Journal ArticleModeling and simulation of a fluttering cantilever in channel flow

Luís Phillipe Tosi, Tim Colonius

Journal of Fluids and Structures, vol. 89, 174-190 doi:10.1016/j.jfluidstructs.2019.02.021

Journal ArticleComparative study of the dynamics of laser and acoustically generated bubbles in viscoelastic media

Chad T. Wilson, Timothy L. Hall, Eric Johnsen, Lauren Mancia, Mauro Rodriguez, Jonathan E. Lundt, Tim Colonius, David L. Henann, Christian Franck, Zhen Xu, Jonathan R. Sukovich

Physical Review E, vol. 99, no. 4, Art. No. 043103 doi:10.1103/physreve.99.043103

Journal ArticleHigh-speed video microscopy and numerical modeling of bubble dynamics near a surface of urinary stone

Yuri A. Pishchalnikov, William M. Behnke-Parks, Kevin Schmidmayer, Kazuki Maeda, Tim Colonius, Thomas W. Kenny, Daniel J. Laser

Journal of the Acoustical Society of America, vol. 146, no. 1, 516-531 doi:10.1121/1.5116693

2018

Conference PaperAmplitude scaling of turbulent-jet wavepackets

Luigi A. Antonialli, André V. G. Cavalieri, Oliver T. Schmidt, Tim Colonius, Peter Jordan, Aaron Towne, Guillaume A. Brès

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2018-2978

Conference PaperAn Equation-of-State Tabulation Approach for Injectors with Non-Condensable Gases: Development and Analysis

Mathis Bode, Sutharsan Satcunanathan, Kazuki Maeda, Tim Colonius, Heinz Pitsch

in American Society of Mechanical Engineers, 45-50 doi:10.1115/1.861851_ch10

Journal ArticleImportance of the nozzle-exit boundary-layer state in subsonic turbulent jets

Guillaume A. Brès, Peter Jordan, Vincent Jaunet, Maxime Le Rallic, André V. G. Cavalieri, Aaron Towne, Sanjiva K. Lele, Tim Colonius, Oliver T. Schmidt

Journal of Fluid Mechanics, vol. 851, 83-124 doi:10.1017/jfm.2018.476

Conference PaperLarge-eddy simulations of co-annular turbulent jet using a Voronoi-based mesh generation framework

Guillaume A. Brès, Sanjeeb T. Bose, Michael Emory, Frank E. Ham, Oliver T. Schmidt, Georgios Rigas, Tim Colonius

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2018-3302

Journal ArticleData-assimilated low-order vortex modeling of separated flows

Darwin Darakananda, André Fernando de Castro da Silva, Tim Colonius, Jeff D. Eldredge

Physical Review Fluids, vol. 3, no. 12, Art. No. 124701 doi:10.1103/physrevfluids.3.124701

Conference PaperEnKF-Based Dynamic Estimation of Separated Flows with a Low-Order Vortex Model

Darwin Darakananda, Jeff Eldredge, Andre da Silva, Tim Colonius, David R. Williams

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2018-0811

Conference PaperA Bias-Aware EnKF Estimator for Aerodynamic Flows

Andre F. da Silva, Tim Colonius

in American Institute of Aeronautics and Astronautics (AIAA)

Journal ArticleEnsemble-Based State Estimator for Aerodynamic Flows

Andre F. C. da Silva, Tim Colonius

AIAA Journal, vol. 56, no. 7, 2568-2578 doi:10.2514/1.J056743

PhD ThesisNumerical Methods for Fluid-Structure Interaction, and their Application to Flag Flapping

Andres Goza

Ph.D. thesis, California Institute of Technology

Journal ArticleGlobal modes and nonlinear analysis of inverted-flag flapping

Andres Goza, Tim Colonius, John E. Sader

Journal of Fluid Mechanics, vol. 857, 312-344 doi:10.1017/jfm.2018.728

Journal ArticleModal decomposition of fluid-structure interaction with application to flag flapping

Andres Goza, Tim Colonius

Journal of Fluids and Structures, vol. 81, 728-737 doi:10.1016/j.jfluidstructs.2018.06.014

Journal ArticleOn the lift-optimal aspect ratio of a revolving wing at low Reynolds number

T. Jardin, T. Colonius

Journal of the Royal Society Interface, vol. 15, no. 143, Art. No. 20170933

Journal ArticleJet-edge interaction tones

Peter Jordan, Vincent Jaunet, Aaron Towne, André V. G. Cavalieri, Tim Colonius, Oliver Schmidt, Anurag Agarwal

Journal of Fluid Mechanics, vol. 853, 333-358 doi:10.1017/jfm.2018.566

PhD ThesisSimulation, Experiments, and Modeling of Cloud Cavitation with Application to Burst Wave Lithotripsy

Kazuki Maeda

Ph.D. thesis, California Institute of Technology

Journal ArticleEnergy shielding by cavitation bubble clouds in burst wave lithotripsy

Kazuki Maeda, Adam D. Maxwell, Tim Colonius, Wayne Kreider, Michael R. Bailey

Journal of the Acoustical Society of America, vol. 144, no. 5, 2952-2961 doi:10.1121/1.5079641

Journal ArticleEulerian-Lagrangian method for simulation of cloud cavitation

Kazuki Maeda, Tim Colonius

Journal of Computational Physics, vol. 371, 994-1017 doi:10.1016/j.jcp.2018.05.029

Conference PaperInvestigation of the Energy Shielding of Kidney Stones by Cavitation Bubble Clouds during Burst Wave Lithotripsy

Kazuki Maeda, Adam D. Maxwell, Wayne Kreider, Tim Colonius, Michael R. Bailey

in American Society of Mechanical Engineers, 626-630 doi:10.1115/1.861851_ch119

Conference PaperModeling and numerical simulation of the bubble cloud dynamics in an ultrasound field for burst wave lithotripsy

Kazuki Maeda, Tim Colonius, Adam D. Maxwell, Wayne Kreider, Michael R. Bailey

in Journal of the Acoustical Society of America, Art. No. 1780 doi:10.1121/1.5067866

Journal ArticleModeling and numerical simulation of the bubble cloud dynamics in an ultrasound field for burst wave lithotripsy

Kazuki Maeda, Tim Colonius, Adam Maxwell, Wayne Kreider, Michael Bailey

Proceedings of Meetings on Acoustics, vol. 35, no. 1, Art. No. 020006 doi:10.1121/2.0000946

Conference PaperNumerical Simulation of the Bubble Cloud Dynamics in an Ultrasound Field

Kazuki Maeda, Tim Colonius

in American Society of Mechanical Engineers, 795-800 doi:10.1115/1.861851_ch151

Journal ArticleNumerical simulation of the aerobreakup of a water droplet

Jomela C. Meng, Tim Colonius

Journal of Fluid Mechanics, vol. 835, 1108-1135 doi:10.1017/jfm.2017.804

Conference PaperResolvent analysis for jet noise source identification

Ethan M. Pickering, Georgios Rigas, Oliver T. Schmidt, Tim Colonius

in Journal of the Acoustical Society of America, Art. No. 1706 doi:10.1121/1.5067573

Conference PaperExperimental observations and numerical modeling of lipid-shell microbubbles with stone targeting moieties for minimally-invasive treatment of urinary stones

Yuri A. Pishchalnikov, William Behnke-Parks, Kazuki Maeda, Tim Colonius, Matt Mellema, Matt Hopcroft, Alice Luong, Scott Wiener, Marshall Stoller, Thomas Kenny, Daniel Laser

in Journal of the Acoustical Society of America, 1781 doi:10.1121/1.5067871

Journal ArticleExperimental observations and numerical modeling of lipid-shell microbubbles with calcium-adhering moieties for minimally-invasive treatment of urinary stones

Yuri A. Pishchalnikov, William Behnke-Parks, Kazuki Maeda, Tim Colonius, Matthew Mellema, Matthew Hopcroft, Alice Luong, Scott Wiener, Marshall L. Stoller, Thomas Kenny, Daniel J. Laser

Proceedings of Meetings on Acoustics, vol. 35, no. 1, Art. No. 020008 doi:10.1121/2.0000958

Conference PaperUrinary stone erosion and fragmentation under low-intensity quasi-collimated ultrasound using gas-filled microbubbles with stone-targeting lipid shells

Yuri A. Pishchalnikov, William Behnke-Parks, Matt Mellema, Matt Hopcroft, Alice Luong, Tim Colonius, Kazuki Maeda, Kyle Morrison, Daniel Laser

doi:10.1121/1.5036106

Conference PaperSpectral analysis of jet turbulence and radiated sound

Oliver T. Schmidt, Tim Colonius, Aaron Towne, Georgios Rigas, Guillaume A. Brès

in Journal of the Acoustical Society of America, Art. No. 1673 doi:10.1121/1.5067451

Journal ArticleSpectral analysis of jet turbulence

Oliver T. Schmidt, Aaron Towne, Georgios Rigas, Tim Colonius, Guillaume A. Brès

Journal of Fluid Mechanics, vol. 855, 953-982 doi:10.1017/jfm.2018.675

Journal ArticleActive Control of Noise from Hot Supersonic Jets

Aniruddha Sinha, Aaron Towne, Tim Colonius, Robert H. Schlinker, Ramons Reba, John C. Simonich, Daniel W. Shannon

AIAA Journal, vol. 56, no. 3, 933-948 doi:10.2514/1.J056159

Journal ArticleSpectral proper orthogonal decomposition and its relationship to dynamic mode decomposition and resolvent analysis

Aaron Towne, Oliver T. Schmidt, Tim Colonius

Journal of Fluid Mechanics, vol. 847, 821-867 doi:10.1017/jfm.2018.283

Conference PaperTransient Cavitation in Pre-Filled Syringes During Autoinjector Actuation

Jean-Christophe Veilleux, Kazuki Maeda, Tim Colonius, Joseph E. Shepherd

in American Society of Mechanical Engineers, 1068-1073 doi:10.1115/1.861851_ch203

2017

Conference PaperResponse of the Separated Flow over an Airfoil to a Short-Time Actuator Burst

Xuanhong An, David R. Williams, André Fernando de Castro da Silva, Tim Colonius, Jeff D. Eldredge

in american institute of aeronautics and astronautics doi:10.2514/6.2017-3315

Journal ArticleTransition to bluff-body dynamics in the wake of vertical-axis wind turbines

Daniel B. Araya, Tim Colonius, John O. Dabiri

Journal of Fluid Mechanics, vol. 813, 346-381 doi:10.1017/jfm.2016.862

Conference PaperInnovative strategies for improved outcomes in nephrolithiasis

Michael Bailey, Julianna C. Simon, Wayne Kreider, Barbrina Dunmire, Lawrence Crum, Adam D. Maxwell, Vera Khokhlova, Oleg A. Sapozhnikov, Robin Cleveland, Tim Colonius, James E. Lingeman, James McAteer, James C. Williams, Jonathan Freund

in Journal of the Acoustical Society of America, 3867-3867 doi:10.1121/1.4988643

Journal ArticleExperimental study of turbulent-jet wave packets and their acoustic efficiency

David E. S. Breakey, Peter Jordan, André V. G. Cavalieri, Petrônio A. Nogueira, Olivier Léon, Tim Colonius, Daniel Rodríguez

Physical Review Fluids, vol. 2, no. 12, Art. No. 124601 doi:10.1103/PhysRevFluids.2.124601

Conference PaperAn EnKF-Based Flow State Estimator for Aerodynamic Flows

Andre F. C. da Silva, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2017-3483

Conference PaperA global mode analysis of flapping flags

Andres Goza, Tim Colonius

in Begel House Inc., Art. No. 1D-2

Journal ArticleA strongly-coupled immersed-boundary formulation for thin elastic structures

Andres Goza, Tim Colonius

Journal of Computational Physics, vol. 336, 401-411 doi:10.1016/j.jcp.2017.02.027

Conference PaperEvaluation of PSE as a Model for Supersonic Jet Using Transfer Functions

Vitor G. Kleine, Kenzo Sasaki, André V. G. Cavalieri, Guillaume A. Brès, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2017-4194

Journal ArticleA fast immersed boundary method for external incompressible viscous flows using lattice Green's functions

Sebastian Liska, Tim Colonius

Journal of Computational Physics, vol. 331, 257-279 doi:10.1016/j.jcp.2016.11.034

Conference PaperQuantification of the shielding of kidney stones by bubble clouds during burst wave lithotripsy

Kazuki Maeda, Tim Colonius, Wayne Kreider, Adam D. Maxwell, Michael Bailey

in Journal of the Acoustical Society of America, 3673 doi:10.1121/1.4987968

Journal ArticleA source term approach for generation of one-way acoustic waves in the Euler and Navier–Stokes equations

Kazuki Maeda, Tim Colonius

Wave Motion, vol. 75, 36-49 doi:10.1016/j.wavemoti.2017.08.004

Conference PaperEd Carstensen, advisor and mentor to the shockwave lithotripsy program project group

James McAteer, Andrew P. Evan, James E. Lingeman, Lynn R. Willis, Philip M. Blomgren, James C. Williams, Rajash Handa, Bret A. Connors, Lawrence Crum, Michael Bailey, Tom Matula, Vera A. Khokhlova, Oleg A. Sapozhnikov, Robin Cleveland, Tim Colonius, Yuri A. Pishchalnikov

in ASA, 3866-3866 doi:10.1121/1.4988642

Conference PaperImmersed Boundary Lattice Green Function methods for External Aerodynamics

Gianmarco Mengaldo, Sebastian Liska, Ke Yu, Tim Colonius, Thierry Jardin

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2017-3621

Conference PaperOne Way Navier-Stokes and resolvent analysis for modeling coherent structures in a supersonic turbulent jet

Georgios Rigas, Oliver T. Schmidt, Tim Colonius, Guillaume A. Brès

in American Institute of Aeronautics and Astronautics

Conference PaperStability of wall-bounded flows using one-way spatial integration of Navier-Stokes equations

Georgios Rigas, Tim Colonius, Michael Beyar

doi:10.2514/6.2017-1881

Journal ArticleHigh-frequency wavepackets in turbulent jets

Kenzo Sasaki, André V. G. Cavalieri, Peter Jordan, Oliver T. Schmidt, Tim Colonius, Guillaume A. Brès

Journal of Fluid Mechanics, vol. 830, Art. No. R2 doi:10.1017/jfm.2017.659

Conference PaperWavepacket intermittency and its role in turbulent jet noise

Oliver T. Schmidt, Tim Colonius, Guillaume A. Brès

doi:10.2514/6.2017-0686

Journal ArticleWavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global stability

Oliver T. Schmidt, Aaron Towne, Tim Colonius, André V. G. Cavalieri, Peter Jordan, Guillaume A. Brès

Journal of Fluid Mechanics, vol. 825, 1153-1181 doi:10.1017/jfm.2017.407

Journal ArticleSpecial issue on global flow instability and control

Ati Sharma, Vassilis Theofilis, Tim Colonius

Theoretical and Computational Fluid Dynamics, vol. 31, no. 2022-05-06, 471-474

Journal ArticleModal Analysis of Fluid Flows: An Overview

Kunihiko Taira, Steven L. Brunton, Scott T. M. Dawson, Clarence W. Rowley, Tim Colonius, Beverley J. McKeon, Oliver T. Schmidt, Stanislav Gordeyev, Vassilios Theofilis, Lawrence S. Ukeiley

AIAA Journal, vol. 55, no. 12, 4013-4041

Journal ArticleAcoustic resonance in the potential core of subsonic jets

Aaron Towne, André V. G. Cavalieri, Peter Jordan, Tim Colonius, Oliver Schmidt, Vincent Jaunet, Guillaume A. Brès

Journal of Fluid Mechanics, vol. 825, 1113-1152 doi:10.1017/jfm.2017.346

2016

Conference PaperModeling Dynamic Lift Response to Actuation

Xuanhong An, David R. Williams, Jeff Eldredge, Tim Colonius

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-0058

Conference PaperLarge eddy simulation for jet noise: azimuthal decomposition and intermittency of the radiated sound

Guillaume A. Brès, Vincent Jaunet, Maxime Le Rallic, Peter Jordan, Aaron Towne, Oliver T. Schmidt, Tim Colonius, André V. G. Cavalieri, Sanjiva K. Lele

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-3050

Conference PaperHigh-frequency wavepackets in turbulent jets

André V. G. Cavalieri, Kenzo Sasaki, Oliver Schmidt, Tim Colonius, Peter Jordan, Guillaume A. Brès

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-3056

PhD ThesisUnsteady aerodynamics and optimal control of an airfoil at low Reynolds number

Jeesoon Choi

Ph.D. thesis, California Institute of Technology

Conference PaperA Vortex Sheet/Point Vortex Dynamical Model For Unsteady Separated Flows

Darwin Darakananda, Jeff D. Eldredge, Tim Colonius, David R. Williams

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-2072

Conference PaperLeading Edge Vortex Development on Pitching and Surging Airfoils: A Study of Vertical Axis Wind Turbines

Reeve Dunne, Hsieh-Chen Tsai, Tim Colonius, Beverley J. McKeon

in Springer, 581-587 doi:10.1007/978-3-319-30602-5_71

Journal ArticleAccurate computation of surface stresses and forces with immersed boundary methods

Andres Goza, Sebastian Liska, Benjamin Morley, Tim Colonius

Journal of Computational Physics, vol. 321, 860-873 doi:10.1016/j.jcp.2016.06.014

Conference PaperTonal dynamics and sound in subsonic turbulent jets

Vincent Jaunet, Peter Jordan, André V. Cavalieri, Aaron Towne, Tim Colonius, Oliver Schmidt, Guillaume A. Brès

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-3016

Journal ArticleDesign and experimental evaluation of flextensional-cantilever based piezoelectric transducers for flow energy harvesting

Hyeong Jae Lee, Stewart Sherrit, Luis Phillipe Tosi, Tim Colonius

no. 9806, Art. No. 980610 doi:10.1117/12.2219269

PhD ThesisFast Lattice Green's Function Methods for Viscous Incompressible Flows on Unbounded Domains

Sebastian Liska

Ph.D. thesis, California Institute of Technology

Journal ArticleA fast lattice Green's function method for solving viscous incompressible flows on unbounded domains

Sebastian Liska, Tim Colonius

Journal of Computational Physics, vol. 316, 360-384 doi:10.1016/j.jcp.2016.04.023

Conference PaperModeling and experimental analysis of acoustic cavitation bubble clouds for burst-wave lithotripsy

Kazuki Maeda, Tim Colonius, Wayne Kreider, Adam Maxwell, Michael Bailey

3307-3307 doi:10.1121/1.4970532

PhD ThesisNumerical Simulations of Droplet Aerobreakup

Jomela Meng

Ph.D. thesis, California Institute of Technology

Conference PaperModeling the Generation of Supersonic Turbulent Jet Noise by Large-Scale Coherent Structures

Oliver T. Schmidt, Tim Colonius, Guillaume Brès

doi:10.1121/1.4969657

Conference PaperSuper- and multi-directive acoustic radiation by linear global modes of a turbulent jet

Oliver T. Schmidt, Aaron Towne, Tim Colonius, Peter Jordan, Vincent Jaunet, André V. G. Cavalieri, Guillaume A. Brès

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-2808

Journal ArticleParabolized stability analysis of jets from serrated nozzles

Aniruddha Sinha, Kristján Gudmundsson, Hao Xia, Tim Colonius

Journal of Fluid Mechanics, vol. 789, 36-63 doi:10.1017/jfm.2015.719

PhD ThesisAdvancements in jet turbulence and noise modeling: accurate one-way solutions and empirical evaluation of the nonlinear forcing of wavepackets

Aaron Towne

Ph.D. thesis, California Institute of Technology

Conference PaperTrapped acoustic waves in the potential core of subsonic jets

Aaron Towne, André V. G. Cavalieri, Peter Jordan, Tim Colonius, Vincent Jaunet, Oliver T. Schmidt, Guillaume A. Brès

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-2809

PhD ThesisNumerical Investigation of Vertical-Axis Wind Turbines at Low Reynolds Number

Hsieh-Chen Tsai

Ph.D. thesis, California Institute of Technology

Journal ArticleCoriolis Effect on Dynamic Stall in a Vertical Axis Wind Turbine

Hsieh-Chen Tsai, Tim Colonius

AIAA Journal, vol. 54, no. 1, 216-226 doi:10.2514/1.J054199

Conference PaperNumerical Investigation of Self-Starting Capability of Vertical-Axis Wind Turbines at Low Reynolds Numbers

Hsieh-Chen Tsai, Tim Colonius

in American Institute of Aeronautics and Astronautics (AIAA) doi:10.2514/6.2016-3731

2015

Conference PaperLarge eddy simulation for jet noise: the importance of getting the boundary layer right

Guillaume A. Brès, Vincent Jaunet, Maxime Le Rallic, Peter Jordan, Tim Colonius, Sanjiva K. Lele

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2015-2535

Journal ArticleSurging and plunging oscillations of an airfoil at low Reynolds number

Jeesoon Choi, Tim Colonius, David R. Williams

Journal of Fluid Mechanics, vol. 763, 237-253 doi:10.1017/jfm.2014.674

Conference PaperSimulation and Modeling of Turbulent Jet Noise

T. Colonius, A. Sinha, D. Rodriguez, A. Towne, J. Liu, G. A. Brès, D. Appelö, T. Hagstrom

in Springer, 305-310

PhD ThesisSimulation of shock-induced bubble collapse with application to vascular injury in shockwave lithotripsy

Vedran Coralic

Ph.D. thesis, California Institute of Technology

Journal ArticleOptimal control of circular cylinder wakes using long control horizons

Thibault L. B. Flinois, Tim Colonius

Physics of Fluids, vol. 27, no. 8, Art. No. 087105 doi:10.1063/1.4928896

Journal ArticlePiezoelectric Energy Harvesting in Internal Fluid Flow

Hyeong Jae Lee, Stewart Sherrit, Luis Phillipe Tosi, Phillip Walkemeyer, Tim Colonius

Sensors, vol. 15, no. 10, 26039-26062 doi:10.3390/s151026039

Journal ArticleModeling and experimental analysis of acoustic cavitation bubbles for Burst Wave Lithotripsy

Kazuki Maeda, Wayne Kreider, Adam Maxwell, Bryan Cunitz, Tim Colonius, Michael Bailey

Journal of Physics: Conference Series, vol. 656, no. 1, Art. No. 012027 doi:10.1088/1742-6596/656/1/012027

Conference PaperThe Effects of Shock Strength on Droplet Breakup

Jomela C. Meng, Tim Colonius

in Springer, 1535-1540 doi:10.1007/978-3-319-16838-8_120

Journal ArticleNumerical simulations of the early stages of high-speed droplet breakup

J. C. Meng, T. Colonius

Shock Waves, vol. 25, no. 4, 399-414 doi:10.1007/s00193-014-0546-z

Journal ArticleA study of linear wavepacket models for subsonic turbulent jets using local eigenmode decomposition of PIV data

Daniel Rodríguez, André V. G. Cavalieri, Tim Colonius, Peter Jordan

European Journal of Mechanics B/Fluids, vol. 49, 308-321 doi:10.1016/j.euromechflu.2014.03.004

Conference PaperFluid flow nozzle energy harvesters

Stewart Sherrit, Hyeong Jae Lee, Phillip Walkemeyer, Tyler Winn, Luis Phillipe Tosi, Tim Colonius

in Society of Photo-optical Instrumentation Engineers (SPIE), Art. No. 943507 doi:10.1117/12.2084574

Conference PaperLinear Stability Implications of Mean Flow Variations in Turbulent Jets Issuing from Serrated Nozzles

Aniruddha Sinha, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2015-3125

Conference PaperParabolized Stability Analysis of Jets Issuing from Serrated Nozzles

Aniruddha Sinha, Hao Xia, Tim Colonius

in Springer, 211-215

Conference PaperSensitivity of wavepackets in jets to non-linear effects: the role of the critical layer

Gilles Tissot, Mengqi Zhang, Francisco C., Jr. Lajús, André V. G. Cavalieri, Peter Jordan, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2015-2218

Journal ArticleOne-way spatial integration of hyperbolic equations

Aaron Towne, Tim Colonius

Journal of Computational Physics, vol. 300, 844-861 doi:10.1016/j.jcp.2015.08.015

Conference PaperStochastic and nonlinear forcing of wavepackets in a Mach 0.9 jet

Aaron Towne, Tim Colonius, Peter Jordan, André Cavalieri, Guillaume A. Brès

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2015-2217

Journal ArticleSpatial Stability Analysis of Subsonic Jets Modified for Low-Frequency Noise Reduction

Ali Uzun, Farrukh S. Alvi, Tim Colonius, M. Yousuff Hussaini

AIAA Journal, vol. 53, no. 8, 2335-2358 doi:10.2514/1.J053719

2014

Conference PaperLarge eddy simulation of a Mach 0.9 turbulent jet

G. A. Brès, P. Jordan, T. Colonius, M. Le Rallic, V. Jaunet, S. K. Lele

in Center for Turbulence Research, 221-230

Conference PaperActive control of noise from hot, supersonic turbulent jets

Tim Colonius, Aaron Towne, Robert H. Schlinker, Ramons A. Reba, Dan Shannon

2080 doi:10.1121/1.4899469

Journal ArticleFinite-volume WENO scheme for viscous compressible multicomponent flows

Vedran Coralic, Tim Colonius

Journal of Computational Physics, vol. 274, 95-121 doi:10.1016/j.jcp.2014.06.003

Conference PaperModeling vascular injury due to shock-induced bubble collapse in lithotripsy

Vedran Coralic, Tim Colonius

2192 doi:10.1121/1.4899946

Journal ArticleEffect of direct bubble-bubble interactions on linear-wave propagation in bubbly liquids

D. Fuster, J. M. Conoir, T. Colonius

Physical Review E, vol. 90, no. 6, Art. No. doi:10.1103/PhysRevE.90.063010

Conference PaperModeling intermittent wavepackets and their radiated sound in a turbulent jet

P. Jordan, T. Colonius, G. A. Brès, M. Zhang, A. Towne, S. K. Lele

in Center for Turbulence Research, 241-249

Journal ArticleA parallel fast multipole method for elliptic difference equations

Sebastian Liska, Tim Colonius

Journal of Computational Physics, vol. 278, 76-91 doi:10.1016/j.jcp.2014.07.048

Journal ArticleUnsteady effects in dense, high speed, p@article laden flows

J. D. Regele, J. Rabinovitch, T. Colonius, G. Blanquart

International Journal of Multiphase Flow, vol. 61, 2022-01-13 doi:10.1016/j.ijmultiphaseflow.2013.12.007

Conference PaperFlow energy piezoelectric bimorph nozzle harvester

Stewart Sherrit, Hyeong Jae Lee, Phillip Walkemeyer, Jennifer Hasenoehrl, Jeffrey L. Hall, Tim Colonius, Luis Phillipe Tosi, Alvaro Arrazola, Namhyo Kim, Kai Sun, Gary Corbett

in Society of Photo-optical Instrumentation Engineers (SPIE), Art. No. 90570D doi:10.1117/12.2045191

Journal ArticleWavepacket models for supersonic jet noise

Aniruddha Sinha, Daniel Rodríguez, Guillaume A. Brès, Tim Colonius

Journal of Fluid Mechanics, vol. 742, 71-95 doi:10.1017/jfm.2013.660

Conference PaperContinued development of the one-way Euler equations: application to jets

Aaron Towne, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2014-2903

Conference PaperEfficient jet noise models using the one-way Euler equations

Aaron Towne, Tim Colonius

2081-2081 doi:10.1121/1.4899470

Conference PaperCoriolis Effect on Dynamic Stall in a Vertical Axis Wind Turbine at Moderate Reynolds Number

Hsieh-Chen Tsai, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2014-3140

2013

Book ChapterShock Propagation in Polydisperse Bubbly Liquids

Keita Ando, Tim Colonius, Christopher E. Brennen

Springer, 141-175

Conference PaperNear-field wavepackets and the far-field sound of a subsonic jet

David E. S. Breakey, Peter Jordan, André V. G. Cavalieri, Léon Olivier, Mengqi Zhang, Guillaume Lehnasch, Tim Colonius, Daniel Rodríguez

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2013-2083

Journal ArticleSecond-mode attenuation and cancellation by porous coatings in a high-speed boundary layer

Guillaume A. Brès, Matthew Inkman, Tim Colonius, Alexander V. Fedorov

Journal of Fluid Mechanics, vol. 726, 312-337 doi:10.1017/jfm.2013.206

Journal ArticleWavepackets in the velocity field of turbulent jets

André V. G. Cavalieri, Daniel Rodríguez, Peter Jordan, Tim Colonius, Yves Gervais

Journal of Fluid Mechanics, vol. 730, 559-592 doi:10.1017/jfm.2013.346

Conference PaperDynamics and Energy Extraction of a Surging and Plunging Airfoil at Low Reynolds Number

Jeesoon Choi, Tim Colonius, David Williams

in American Institute of Aeronautics and Astronautics, Art. No. 2013-0672 doi:10.2514/6.2013-672

Journal ArticleShock-induced collapse of a bubble inside a deformable vessel

Vedran Coralic, Tim Colonius

European Journal of Mechanics B/Fluids, vol. 40, 64-74 doi:10.1016/j.euromechflu.2013.01.003

Journal ArticleOn a transitional and turbulent natural convection in spherical shells

Yuri Feldman, Tim Colonius

International Journal of Heat and Mass Transfer, vol. 64, 514-525 doi:10.1016/j.ijheatmasstransfer.2013.04.042

Journal ArticleWave Packets and Turbulent Jet Noise

Peter Jordan, Tim Colonius

Annual Review of Fluid Mechanics, vol. 45, 173-195 doi:10.1146/annurev-fluid-011212-140756

Conference PaperDroplet Breakup in High-Speed Gas Flows

Jomela C. Meng, Tim Colonius

2022-01-10

Journal ArticleGeneralized characteristic relaxation boundary conditions for unsteady compressible flow simulations

Sergio Pirozzoli, Tim Colonius

Journal of Computational Physics, vol. 248, 109-126 doi:10.1016/j.jcp.2013.04.021

Conference PaperAcoustic field associated with parabolized stability equation models in turbulent jets

Daniel Rodríguez, Aniruddha Sinha, Guillaume A. Brès, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2013-2279

Journal ArticleInlet conditions for wave packet models in turbulent jets based on eigenmode decomposition of large eddy simulation data

Daniel Rodríguez, Aniruddha Sinha, Guillaume A. Brès, Tim Colonius

Physics of Fluids, vol. 25, no. 10, Art. No. 105107 doi:10.1063/1.4824479

Conference PaperWavepacket eduction in turbulent jets based on eigenmode decomposition of PIV data

Daniel Rodríguez, André V. G. Cavalieri, Tim Colonius, Peter Jordan

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2013-2084

Conference PaperToward Active Control of Noise from Hot Supersonic Jets

A. Sinha, R. H. Schlinker, J. S. Simonich, R. A. Reba, T. Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2013-2234

Conference PaperImproved Parabolization of the Euler Equations

Aaron Towne, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2013-2171

2012

Journal ArticleAxisymmetric superdirectivity in subsonic jets

André V. G. Cavalieri, Peter Jordan, Tim Colonius, Yves Gervais

Journal of Fluid Mechanics, vol. 704, 388-420 doi:10.1017/jfm.2012.247

Conference PaperLow-speed jet dynamics and sound radiation

André V. G. Cavalieri, Daniele Violato, Daniel Rodríguez, Peter Jordan, Fulvio Scarano, Tim Colonius, Yves Gervais

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2012-2080

Conference PaperWavepackets in the velocity field of turbulent jets

André V. G. Cavalieri, Daniel Rodríguez, Peter Jordan, Tim Colonius, Yves Gervais

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2012-2115

Conference PaperInvestigation of a New Model for Bubbly Cavitating Flow

Tim Colonius, Daniel Fuster

in Research Publishing Services, 26-30

Journal ArticleSimulation and Cryogenic Experiments of Natural Convection for the Titan Montgolfiere

Yuri Feldman, Tim Colonius, Michael T. Pauken, Jeffrey L. Hall, Jack A. Jones

AIAA Journal, vol. 50, no. 11, 2483-2491 doi:10.2514/1.J051672

Journal ArticleEffects of Actuation Frequency on Flow Control Applied to a Wall-Mounted Hump

Jennifer A. Franck, Tim Colonius

AIAA Journal, vol. 50, no. 7, 1631-1634 doi:10.2514/1.J051183

Conference PaperSimulation of compressible flows using Hermite methods

Thomas Hagstrom, Daniel Appelö, Tim Colonius, Matthew Inkman, Chang Young Jang

3429 doi:10.1121/1.4708863

Conference PaperAn Analysis of Dispersion and Dissipation Properties of Hermite Methods and Its Application to Direct Numerical Simulation of Jet Noise

Chang Young Jang, Daniel Appelö, Tim Colonius, Thomas Hagstrom, Matthew Inkman

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2012-2240

Journal ArticleA contact model for normal immersed collisions between a particle and a wall

Xiaobai Li, Melany L. Hunt, Tim Colonius

Journal of Fluid Mechanics, vol. 691, 123-145 doi:10.1017/jfm.2011.461

Conference PaperNumerical Modeling and Analysis of Early Shock Wave Interactions with a Dense P@article Cloud

J. D. Regele, J. Rabinovitch, T. Colonius, G. Blanquart

in American Institute of Aeronautics and Astronautics, Art. No.-2012-3161 doi:10.2514/6.2012-3161

Conference PaperParabolized stability equation models in turbulent supersonic jets

Daniel Rodríguez, Aniruddha Sinha, Guillaume A. Brès, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2012-2117

Journal ArticleEffects of Target Compliance on a High-Speed Droplet Impact

Toshiyuki Sanada, Keita Ando, Tim Colonius

Solid State Phenomena, no. 187, 137-140

Journal ArticleThe impulse response of a high-speed jet forced with localized arc filament plasma actuators

Aniruddha Sinha, Hind Alkandry, Martin Kearney-Fischer, Mo Samimy, Tim Colonius

Physics of Fluids, vol. 24, no. 12, Art. No. 125104 doi:10.1063/1.4772191

2011

Journal ArticleNumerical simulation of shock propagation in a polydisperse bubbly liquid

Keita Ando, Tim Colonius, Christopher E. Brennen

International Journal of Multiphase Flow, vol. 37, no. 6, 596-608 doi:10.1016/j.ijmultiphaseflow.2011.03.007

Journal ArticleShock propagation through a bubbly liquid in a deformable tube

Keita Ando, T. Sanada, K. Inaba, J. S. Damazo, J. E. Shepherd, T. Colonius, C. E. Brennen

Journal of Fluid Mechanics, vol. 671, 339-363 doi:10.1017/S0022112010005707

Conference PaperHermite Methods for Aeroacoustics: Recent Progress

Daniel Appelö, Matthew Inkman, Thomas Hagstrom, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2011-2757

Conference PaperNumerical Simulations of the Transient Flow Response of a 3D, Low-Aspect-Ratio Wing to Pulsed Actuation

Guillaume A. Brès, Ehab Fares, David R. Williams, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2011-3440 doi:10.2514/6.2011-3440

Conference PaperAxisymmetric superdirectivity in subsonic jets

André V. G. Cavalieri, Peter Jordan, Yves Gervais, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2011-2743

Journal ArticleControl of vortex shedding on two- and three-dimensional aerofoils

Tim Colonius, David R. Williams

Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, vol. 369, no. 1940, 1525-1539 doi:10.1098/rsta.2010.0355

Conference PaperNumerical simulation of bubble dynamics in deformable vessels

Vedran Coralic, Tim Colonius

2375 doi:10.1121/1.3587690

Conference PaperInstability of Hypersonic Boundary Layer on a Wall with Resonating Micro-Cavities

Alexander V. Fedorov, Guillaume A. Brès, Matthew Inkman, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2011-373

Conference PaperNumerical and Experimental Modeling of Natural Convection for a Cryogenic Prototype of a Titan Montgolfiere

Yu. Feldman, T. Colonius, M. Pauken, J. L. Hall, J. A. Jones

in American Institute of Aeronautics and Astronautics, Art. No. 2011-6869 doi:10.2514/6.2011-6869

Journal ArticleModelling bubble clusters in compressible liquids

D. Fuster, T. Colonius

Journal of Fluid Mechanics, vol. 688, 352-389 doi:10.1017/jfm.2011.380

Journal ArticleInstability wave models for the near-field fluctuations of turbulent jets

K. Gudmundsson, Tim Colonius

Journal of Fluid Mechanics, vol. 689, 97-128 doi:10.1017/jfm.2011.401

Conference PaperA projection method for multiphase flows

Daniel Hartmann, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2011-3831 doi:10.2514/6.2011-3831

Journal ArticleFeedback control of vortex shedding from an inclined flat plate

Won Tae Joe, Tim Colonius, Douglas G. MacMynowski

Theoretical and Computational Fluid Dynamics, vol. 25, no. 2022-01-04, 221-232 doi:10.1007/s00162-010-0204-8

Conference PaperDamage Potential of the Shock-Induced Collapse of a Gas Bubble

Eric Johnsen, Tim Colonius, Robin Cleveland

in Curran, 473-482

Journal ArticleClosed-Loop Control of Lift for Longitudinal Gust Suppression at Low Reynolds Numbers

Wesley Kerstens, Jens Pfeiffer, David Williams, Rudibert King, Tim Colonius

AIAA Journal, vol. 49, no. 8, 1721-1728 doi:10.2514/1.J050954

Journal ArticleFlow around a NACA0018 airfoil with a cavity and its dynamical response to acoustic forcing

W. F. J. Olsman, J. F. H. Willems, A. Hirschberg, T. Colonius, R. R. Trieling

Experiments in Fluids, vol. 51, no. 2, 493-509 doi:10.1007/s00348-011-1065-7

Journal ArticleNumerical Simulation of Flow over an Airfoil with a Cavity

W. F. J. Olsman, T. Colonius

AIAA Journal, vol. 49, no. 1, 143-149 doi:10.2514/1.J050542

Conference PaperParabolized stability equation models for predicting large-scale mixing noise of turbulent round jets

D. Rodríguez, A. Samanta, A. V. G. Cavalieri, T. Colonius, P. Jordan

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2011-2838

Journal ArticleReply by the Authors to G. E. Dorrington

Arnab Samanta, Daniel Appelö, Tim Colonius, Julian Nott, Jeffery Hall

AIAA Journal, vol. 49, no. 4, 877-878 doi:10.2514/1.J050961

Journal ArticleA Computational Study of High-Speed Droplet Impact

T. Sanada, K. Ando, T. Colonius

Fluid Dynamics & Material Processing, vol. 7, no. 4, 329-340 doi:10.3970/fdmp.2011.007.329

Journal ArticleSpecial issue on global flow instability and control

Vassilis Theofilis, Tim Colonius

Theoretical and Computational Fluid Dynamics, vol. 25, no. 2022-01-04, 2022-01-06

2010

PhD ThesisEffects of polydispersity in bubbly flows

Keita Ando

Ph.D. thesis, California Institute of Technology

Conference PaperShock Theory of a Bubbly Liquid in a Deformable Tube

K. Ando, T. Sanada, K. Inaba, J. E. Shepherd, T. Colonius, C. E. Brennen

2022-01-10

Journal ArticleDevelopment of Arbitrary-Order Hermite Methods for Simulation and Analysis of Turbulent Jet Noise

Daniel Appelö, Tim Colonius, Thomas Hagstrom, Matthew Inkman

Procedia Engineering, vol. 6, 19-27 doi:10.1016/j.proeng.2010.09.003

Journal ArticleAcoustic Properties of Porous Coatings for Hypersonic Boundary-Layer Control

Guillaume A. Brès, Tim Colonius, Alexander V. Fedorov

AIAA Journal, vol. 48, no. 2, 267-274 doi:10.2514/1.40811

Conference PaperNumerical Simulations of Natural and Actuated Flow over a 3-D, Low-Aspect-Ratio Airfoil

Guillaume A. Brès, David R. Williams, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2010-4713

Journal ArticleThe leading-edge vortex and quasisteady vortex shedding on an accelerating plate

Kevin K. Chen, Tim Colonius, Kunihiko Taira

Physics of Fluids, vol. 22, no. 3, Art. No. 033601 doi:10.1063/1.3327282

Conference PaperParabolized stability equation models of large-scale jet mixing noise

Tim Colonius, Arnab Samanta, Kristjan Gudmundsson

in Elsevier, 64-73 doi:10.1016/j.proeng.2010.09.008

Journal ArticleCompressible Large-Eddy Simulation of Separation Control on a Wall-Mounted Hump

Jennifer A. Franck, Tim Colonius

AIAA Journal, vol. 48, no. 6, 1098-1107 doi:10.2514/1.44756

PhD ThesisInstability Wave Models of Turbulent Jets from Round and Serrated Nozzles

Kristjàn Gudmundsson

Ph.D. thesis, California Institute of Technology

PhD ThesisOptimized feedback control of vortex shedding on an inclined flat plate

Won Tae Joe

Ph.D. thesis, California Institute of Technology

Conference PaperOptimized Waveforms for Feedback Control of Vortex Shedding

Won Tae Joe, Tim Colonius, Douglas G. MacMynowski

in Springer, 391-404 doi:10.1007/978-3-642-11735-0_25

Conference PaperClosed Loop Control of a Wing's Lift for 'Gust' Suppression

Wesley Kerstens, David Williams, Jens Pfeiffer, Rudibert King, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2010-4969 doi:10.2514/6.2010-4969

Conference PaperUnstructured Large Eddy Simulation Technology for Prediction and Control of Jet Noise

Yaser Khalighi, Frank Ham, Parviz Moin, Tim Colonius, Sanjiva K. Lele, Robert H. Schlinker, Ramons A. Reba, John Simonich

in American Society of Mechanical Engineers, 57-70 doi:10.1115/GT2010-22306

PhD ThesisNumerical simulation of wave focusing and scattering in shock wave lithotripsy

Jeffrey Krimmel

Ph.D. thesis, California Institute of Technology

Journal ArticleSimulation of the effects of cavitation and anatomy in the shock path of model lithotripters

Jeff Krimmel, Tim Colonius, Michel Tanguay

Urological Research, vol. 38, no. 6, 505-518 doi:10.1007/s00240-010-0332-z

Conference PaperAn Integrated RANS-PSE-Wave Packet Tool for the Prediction of Subsonic and Supersonic Jet Noise

Foluso Ladeinde, Ken Alabi, Tim Colonius, Kristjan Gudmundsson, Robert H. Schlinker, Ramons A. Reba

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2010-4021

Journal ArticleWave-packet models for large-scale mixing noise

Ramons Reba, Satish Narayanan, Tim Colonius

International Journal of Aeroacoustics, vol. 9, no. 2022-04-05, 533-557 doi:10.1260/1475-472X.9.4-5.533

Journal ArticleComputational Modeling and Experiments of Natural Convection for a Titan Montgolfiere

Arnab Samanta, Daniel Appelö, Tim Colonius, Julian Nott, Jeffrey Hall

AIAA Journal, vol. 48, no. 5, 1007-1016 doi:10.2514/1.45854

Conference PaperNumerical Analysis of High Speed Droplet Impact

Toshiyuki Sanada, Keita Ando, Tim Colonius

in University of Florida George A. Smathers Libraries, Art. No. 16.1.3

Conference PaperTowards Prediction and Control of Large Scale Turbulent Structure Supersonic Jet Noise

Robert H. Schlinker, Ramons A. Reba, John C. Simonich, Tim Colonius, Kristjan Gudmundsson, Foluso Ladeinde

in American Society of Mechanical Engineers, 217-230 doi:10.1115/gt2009-60300

Conference PaperFeedback Control of High-Lift State for A Low-Aspect-Ratio Wing

Kunihiko Taira, Clarence W. Rowley, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. -2010-357 doi:10.2514/6.2010-357

Journal ArticleLift Enhancement for Low-Aspect-Ratio Wings with Periodic Excitation

Kunihiko Taira, Clarence W. Rowley, Tim Colonius, David R. Williams

AIAA Journal, vol. 48, no. 8, 1785-1790 doi:10.2514/1.J050248

Conference PaperLock-On to a High-Lift State with Oscillatory Forcing in a Three-Dimensional Wake Flow

Kunihiko Taira, Clarence W. Rowley, Tim Colonius

in Springer, 81-93 doi:10.1007/978-3-642-11735-0_6

Conference PaperClosed-Loop Control of a Wing in an Unsteady Flow

David Williams, Wesley Kerstens, Seth Buntain, Vien Quach, Jens Pfeiffer, Rudibert King, Gilead Tadmor, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No.-2010-358 doi:10.2514/6.2010-358

Conference PaperUnsteady Lift Suppression with a Robust Closed Loop Controller

David Williams, Wesley Kerstens, Jens Pfeiffer, Rudibert King, Tim Colonius

in Springer, 19-30 doi:10.1007/978-3-642-11735-0_2

2009

Journal ArticleImprovement of acoustic theory of ultrasonic waves in dilute bubbly liquids

Keita Ando, Tim Colonius, Christopher E. Brennen

Journal of the Acoustical Society of America, vol. 126, no. 3, EL69 doi:10.1121/1.3182858

Conference PaperShock propagation in polydisperse bubbly flows

Keita Ando, Tim Colonius, Christopher E. Brennen

2022-01-02

Journal ArticleA high-order super-grid-scale absorbing layer and its application to linear hyperbolic systems

Daniel Appelö, Tim Colonius

Journal of Computational Physics, vol. 228, no. 11, 4200-4217 doi:10.1016/j.jcp.2009.02.030

Conference PaperAlternate Designs of Ultrasonic Absorptive Coatings for Hypersonic Boundary Layer Control

Guillaume A. Brès, Matthew Inkman, Tim Colonius, Alexander V. Fedorov

in American Institute of Aeronautics and Astronautics, Art. No.-2009 doi:10.2514/6.2009-4217

Conference PaperComputational Modeling and Experiments of Natural Convection for a Titan Montgolfiere

Tim Colonius, Daniel Appelö, Julian Nott, Jeffrey Hall

in American Institute of Aeronautics and Astronautics, Art. No. 2009-2806 doi:10.2514/6.2009-2806

PhD ThesisLarge-eddy simulation of flow separation and control on a wall-mounted hump

Jennifer Franck

Ph.D. thesis, California Institute of Technology

Conference PaperOscillatory Control and the Effects of Actuation Frequency on a Wall-Mounted Hump

Jennifer Franck, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No.-2009-4019 doi:10.2514/6.2009-4019

Journal ArticleTurbulence and sound-field POD analysis of a turbulent jet

J. B. Freund, T. Colonius

International Journal of Aeroacoustics, vol. 8, no. 4, 337-354

Conference PaperParabolized Stability Equation Models for Turbulent Jets and Their Radiated Sound

Kristjan Gudmundsson, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2009-3380

Conference PaperOptimized Control of Vortex Shedding From an Inclined Flat Plate

Won Tae Joe, Tim Colonius, Douglas G. MacMynowski

in American Institute of Aeronautics and Astronautics, Art. No.-2009-4027 doi:10.2514/6.2009-4027

Journal ArticleNumerical simulations of non-spherical bubble collapse

Eric Johnsen, Tim Colonius

Journal of Fluid Mechanics, vol. 629, 231-262 doi:10.1017/S0022112009006351

Conference PaperIn vivo simulation of shock wave lithotripsy: Wave focusing in inhomogeneous materials

Jeffrey Krimmel, Tim Colonius

2623 doi:10.1121/1.4783996

Journal ArticleNumerical simulation of the sound radiated by a turbulent vortex ring

Hongyu Ran, Tim Colonius

International Journal of Aeroacoustics, vol. 8, no. 4, 317-336

Conference PaperSupersonic Jet Noise from Round and Chevron Nozzles: Experimental Studies

R. H. Schlinker, J. C. Simonich, D. W. Shannon, R. A. Reba, T. Colonius, K. Gudmundsson, F. Ladeinde

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2009-3257

Conference PaperOn the Effect of Tip Vortices in Low-Reynolds-Number Post-Stall Flow Control

Kunihiko Taira, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2009-376

Journal ArticleEffect of Tip Vortices in Low-Reynolds-Number Poststall Flow Control

Kunihiko Taira, Tim Colonius

AIAA Journal, vol. 47, no. 3, 749-756

Journal ArticleThree-dimensional flows around low-aspect-ratio flat-plate wings at low Reynolds numbers

Taira Kunihiko, Tim Colonius

Journal of Fluid Mechanics, vol. 623, 187-207 doi:10.1017/S0022112008005314

Journal ArticleLift Response of a Stalled Wing to Pulsatile Disturbances

David R. Williams, Gilead Tadmor, Tim Colonius, Wesley Kerstens, Vien Quach, Seth Buntain

AIAA Journal, vol. 47, no. 12, 3031-3037 doi:10.2514/1.45407

Conference PaperLow Reynolds Number Wing Response to an Oscillating Freestream With and Without Feed Forward Control

David Williams, Vien Quach, Wesley Kerstens, Seth Buntain, Gilead Tadmor, Clarence Rowley, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2009-143

2008

Conference PaperInteraction of Acoustic Disturbances with Micro-Cavities for Ultrasonic Absorptive Coatings

Guillaume A. Brès, Tim Colonius, Alexander V. Fedorov

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-3903

Conference PaperStability of Temporally Evolving Supersonic Boundary Layers over Micro-Cavities for Ultrasonic Absorptive Coatings

Guillaume A. Brès, Tim Colonius, Alexander V. Fedorov

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-4337

Journal ArticleThree-dimensional instabilities in compressible flow over open cavities

Guillaume A. Brès, Tim Colonius

Journal of Fluid Mechanics, vol. 599, 309-339 doi:10.1017/S0022112007009925

Conference PaperUnsteady Aerodynamic Forces on Small-Scale Wings: Experiments, Simulations, and Models

Steven L. Brunton, Clarence W. Rowley, Kunihiko Taira, Tim Colonius, Jesse Collins, David R. Williams

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-520

Journal ArticleA fast immersed boundary method using a nullspace approach and multi-domain far-field boundary conditions

Tim Colonius, Kunihiko Taira

Computer Methods in Applied Mechanics and Engineering, vol. 197, no. 25-28, 2131-2146 doi:10.1016/j.cma.2007.08.014

Journal ArticleStatistical equilibrium of bubble oscillations in dilute bubbly flows

Tim Colonius, Rob Hagmeijer, Keita Ando, Christopher E. Brennen

Physics of Fluids, vol. 20, no. 4, Art. No. 040902 doi:10.1063/1.2912517

Conference PaperLarge-Eddy Simulation of Separation Control for Compressible Flow Over a Wall-Mounted Hump

Jennifer A. Franck, Tim Colonius

in American Institute of Aeronautics and Astronautics, Art. No. 2008-555 doi:10.2514/6.2008-555

Conference PaperClosed-Loop Control of Vortex Shedding on a Two-Dimensional Flat-Plate Airfoil at a Low Reynolds Number

Won Tae Joe, Kunihiko Taira, Tim Colonius, Douglas G. MacMynowski, Gilead Tadmor

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-634

PhD ThesisNumerical simulations of non-spherical bubble collapse with applications to shockwave lithotripsy

Eric Johnsen

Ph.D. thesis, California Institute of Technology

Conference PaperDamage potential of single‐bubble collapse in shockwave lithotripsy

Eric Johnsen, Tim Colonius

3368 doi:10.1121/1.2933980

Conference PaperNon-spherical collapse of an air bubble subjected to a lithotripter pulse

Eric Johnsen, Tim Colonius, Wayne Kreider, Michael R. Bailey

in American Society of Mechanical Engineers, 285-294 doi:10.1115/IMECE2007-43156

Journal ArticleShock-induced collapse of a gas bubble in shockwave lithotripsy

Eric Johnsen, Tim Colonius

Journal of the Acoustical Society of America, vol. 124, no. 4, 2011-2020 doi:10.1121/1.2973229

Conference PaperNumerical simulation of shock wave generation and focusing in shock wave lithotripsy

Jeffrey Krimmel, Tim Colonius

3367 doi:10.1121/1.2933977

Conference PaperA New Low Reynolds Number Facility for Active Flow Control Applications

Matthew J. Munson, William B. Dickson, Tim Colonius, Morteza Gharib

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-694

Conference PaperClosed-Loop Control of Leading Edge Vorticity on a 3D Wing: Simulations and Low-Dimensional Models

Clarence W. Rowley, Sunil Ahuja, Kunihiko Taira, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-3981

Conference PaperDecomposition of High Speed Jet Noise: Source Characteristics and Propagation Effects

R. H. Schlinker, J. C. Simonich, R. A. Reba, T. Colonius, F. Ladeinde

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-2890

Conference PaperFast Approximated POD for a Flat Plate Benchmark with a Time Varying Angle of Attack

Gilead Tadmor, Daniel Bissex, Bernd R. Noack, Marek Morzyński, Tim Colonius, Kunihiko Taira

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-4191

Conference PaperControl of a Semi-Circular Planform Wing in a "Gusting" Unsteady Free Stream Flow II: Modeling and Feedback Design

Gilead Tadmor, David R. Williams, Jesse Collins, Tim Colonius, Clarence W. Rowley

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-3977

Conference PaperTemporal-Harmonic Specific POD Mode Extraction

Gilead Tadmor, Daniel Bissex, Bernd R. Noack, Marek Morzyński, Tim Colonius, Kunihiko Taira

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-4190

PhD ThesisThe immersed boundary projection method and its application to simulation and control of flows around low-aspect-ratio wings

Kunihiko Taira

Ph.D. thesis, California Institute of Technology

Conference PaperControl of a Semi-Circular Planform Wing in a "Gusting" Unsteady Freestream Flow: I - Experimental Issues

David R. Williams, Jesse Collins, Gilead Tadmor, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-3976

Conference PaperControl of Flow Structure on a Semi-Circular Planform Wing

D. Williams, J. Collins, C. Jankhot, T. Colonius, Gilead Tadmor

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2008-597

2007

Conference PaperLow-Dimensional Models for Control of Leading-Edge Vortices: Equilibria and Linearized Models

Sunil Ahuja, Clarence W. Rowley, Ioannis G. Kevrekidis, Mingjun Wei, Tim Colonius, Gilead Tadmor

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2007-709

PhD ThesisNumerical simulations of three-dimensional instabilities in cavity flows

Guillaume Brés

Ph.D. thesis, California Institute of Technology

Conference PaperDirect Numerical Simulations of Three-Dimensional Cavity Flows

Guillaume A. Brès, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2007-3405

Conference PaperThree-Dimensional Linear Stability Analysis of Cavity Flows

Guillaume A. Brès, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2007-1126

Journal ArticleA Cumulative Shear Mechanism for Tissue Damage Initiation in Shock-Wave Lithotripsy

Jonathan B. Freund, Tim Colonius, Andrew P. Evan

Ultrasound in Medicine and Biology, vol. 33, no. 9, 1495-1503 doi:10.1016/j.ultrasmedbio.2007.03.001

Conference PaperSpatial Stability Analysis of Chevron Jet Profiles

Kristjan Gudmundsson, Tim Colonius

in American Institute of Aeronautics and Astronautics, 2022-01-14 doi:10.2514/6.2007-3599

Conference PaperNumerical study of the collapse of a bubble subjected to a lithotripter pulse

Eric Johnsen, Tim Colonius

in American Institute of Physics, 360-363 doi:10.1063/1.2723596

Journal ArticleA reduced-order model of diffusive effects on the dynamics of bubbles

A. T. Preston, T. Colonius, C. E. Brennen

Physics of Fluids, vol. 19, no. 12, Art. No. 123302 doi:10.1063/1.2825018

Journal ArticleThe Immersed Boundary Method: A Projection Approach

Kunihiko Taira, Tim Colonius

Journal of Computational Physics, vol. 225, no. 2, 2118-2137 doi:10.1016/j.jcp.2007.03.005

Conference PaperUnsteadiness in Flow over a Flat Plate at Angle-of-Attack at Low Reynolds Numbers

Kunihiko Taira, William B. Dickson, Tim Colonius, Michael H. Dickinson, Clarence W. Rowley

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2007-710

Conference PaperControl of the Spanwise Distribution of Circulation on NACA 0012 and Flat Plate Wings

D. Williams, S. Doshi, J. Collins, T. Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2007-1121

2006

Journal ArticleProgress in Lithotripsy Research

Michael R. Bailey, James A. McAteer, Yuri A. Pishchalnikov, Mark F. Hamilton, Tim Colonius

Acoustics Today, vol. 2, no. 2, 18-29

Conference PaperLinear Stability Analysis of Chevron Jet Profiles

Kristjan Gudmundsson, Tim Colonius

in American Society of Mechanical Engineers, 497-504

Conference PaperCompressible Multicomponent Flow Calculations and Shock-Bubble Interaction

Eric Johnsen, Tim Colonius

in Maritime Research Institute Netherlands

Journal ArticleImplementation of WENO Schemes in Compressible Multicomponent Flow Problems

Eric Johnsen, Tim Colonius

Journal of Computational Physics, vol. 219, no. 2, 715-732 doi:10.1016/j.jcp.2006.04.018

Conference PaperNumerical Study of the Collapse of a Bubble Subjected to a Lithotripter Pulse

Eric Johnsen, Tim Colonius

in The Journal of the Acoustical Society of America, 3065-3065 doi:10.1121/1.4787344

Journal ArticleLinear models for control of cavity flow oscillations

Clarence W. Rowley, David R. Williams, Tim Colonius, Richard M. Murray, Douglas G. MacMynowski

Journal of Fluid Mechanics, vol. 547, 317-330 doi:10.1017/S0022112005007299

Journal ArticleInstability waves in a subsonic round jet detected using a near-field phased microphone array

Takao Suzuki, Tim Colonius

Journal of Fluid Mechanics, vol. 565, 197-226 doi:10.1017/S0022112006001613

Conference PaperRelation Between Instability Waves and Low-Frequency Jet Noise Investigated with Phased-Microphone Arrays

Takao Suzuki, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2006-622

2005

PhD ThesisNumerical Study of the Dynamics and Sound Generation of a Turbulent Vortex Ring

Hongyu Ran

Ph.D. thesis, California Institute of Technology

Conference PaperModeling Jet Noise from Organized Structures Using Near-Field Hydrodynamic Pressure

R. Reba, S. Narayanan, T. Colonius, T. Suzuki

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2005-3093

2004

Journal ArticleComputational aeroacoustics: progress on nonlinear problems of sound generation

Tim Colonius, Sanjiva K. Lele

Progress in Aerospace Sciences, vol. 40, no. 6, 345-416 doi:10.1016/j.paerosci.2004.09.001

Journal ArticleModeling Artificial Boundary Conditions for Compressible Flow

Tim Colonius

Annual Review of Fluid Mechanics, vol. 36, 315-345 doi:10.1146/annurev.fluid.36.050802.121930

PhD ThesisModeling heat and mass transfer in bubbly cavitating flows and shock waves in cavitating nozzles

Alastair Preston

Ph.D. thesis, California Institute of Technology

Conference PaperNumerical Simulation of Sound Radiated from a Turbulent Vortex Ring

Hongyu Ran, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2004-2918

Journal ArticleModel reduction for compressible flows using POD and Galerkin projection

Clarence W. Rowley, Tim Colonius, Richard M. Murray

Physica D, vol. 189, no. 2022-01-02, 115-129 doi:10.1016/j.physd.2003.03.001

Conference PaperClosed-Loop Control of Vortex Shedding in a Separated Diffuser Using an Inverse Method

Takao Suzuki, Tim Colonius, Douglas G. MacMartin

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2004-577

Conference PaperIdentification of Jet Instability Waves and Design of a Microphone Array

Takao Suzuki, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2004-2960

Journal ArticleVortex shedding in a two-dimensional diffuser: theory and simulation of separation control by periodic mass injection

Takao Suzuki, Tim Colonius, Sergio Pirozzoli

Journal of Fluid Mechanics, vol. 520, 187-213 doi:10.1017/S0022112004001405

PhD ThesisComputation of bubbly cavitating flow in shock wave lithotripsy

Michel Tanguay

Ph.D. thesis, California Institute of Technology

Conference PaperThree-dimensional instabilities of compressible flow over open cavities: direct solution of the BiGlobal eigenvalue problem

V. Theofilis, T. Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2004-2544

Journal ArticleA Model for Kidney Tissue Damage under High Speed Loading

Kerstin Weinberg, Tim Colonius, Michael Ortiz

Proceedings in Applied Mathematics and Mechanics, vol. 4, no. 1, 234-235 doi:10.1002/pamm.200410098

2003

Conference PaperCavitation in shock wave lithotripsy

Michael R. Bailey, Lawrence A. Crum, Oleg A. Sapozhnikov, Andrew P. Evan, James A. McAteer, Tim Colonius, Robin O. Cleveland

2417-2418 doi:10.1121/1.4778635

Conference PaperCavitation in shock wave lithotripsy: the critical role of bubble activity in stone breakage and kidney trauma

Michael R. Bailey, Robin O. Cleveland, Tim Colonius, Lawrence A. Crum, Andrew P. Evan, James E. Lingeman, James A. McAteer, Oleg A. Sapozhnikov, James C., Jr. Williams

in IEEE, 724-727 doi:10.1109/ultsym.2003.1293503

Conference PaperOn the Noise Generated by Shear-Layer Instabilities in Turbulent Jets

Fabio P. Bertolotti, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2003-1062

Conference PaperCloud cavitation effects in shockwave lithotripsy

Tim Colonius, Michel Tanguay

2452-2452 doi:10.1121/1.4779511

Journal ArticleCavitation Bubble Cluster Activity in the Breakage of Kidney Stones by Lithotripter Shock Waves

Yuriy A. Pishchalnikov, Oleg A. Sapozhnikov, Michael R. Bailey, James C., Jr. Williams, Robin O. Cleveland, Tim Colonius, Lawrence A. Crum, Andrew P. Evan, James A. McAteer

Journal of Endourology, vol. 17, no. 7, 435-446 doi:10.1089/089277903769013568

Conference PaperDynamics of Concerted Bubble Cluster Collapse in Shock Wave Lithotripsy

Yuri A. Pishchalnikov, James A. McAteer, Andrew P. Evan, Oleg A. Sapozhnikov, Robin O. Cleveland, Tim Colonius, Michael R. Bailey, Lawrence A. Crum

2386 doi:10.1121/1.4777748

Conference PaperReduced-Order Modeling of Diffusive Effects on the Dynamics of Bubbles

A. Preston, T. Colonius, C. E. Brennen

Conference PaperA Study of the Role of Organized Structures in Jet Noise Generation

R. Reba, S. Narayanan, T. Colonius, M. J. Dunlop

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2003-3314

Journal ArticleInverse-Imaging Method for Detection of a Vortex in a Channel

Takao Suzuki, Tim Colonius

AIAA Journal, vol. 41, no. 9, 1743-1751 doi:10.2514/2.7292

Conference PaperInverse Technique for Vortex Imaging and Its Application to Feedback Flow Control

Takao Suzuki, Tim Colonius, Douglas G. MacMartin

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2003-4260

Conference PaperLarge-Scale Unsteadiness in a Two-Dimensional Diffuser: Numerical Study Toward Active Separation Control

Takao Suzuki, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2003-1138

Conference PaperProgress in Modeling and Simulation of Shock Wave Lithotripsy (SWL)

Michel Tanguay, Tim Colonius

doi:97267

Conference PaperAn Algorithm for the Recovery of 2- and 3-D BiGlobal Instabilities of Compressible Flow Over 2-D Open Cavities

V. Theofilis, T. Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2003-4143

2002

Conference PaperOn the choice of norm for modeling compressible flow dynamics at reduced-order using the POD

Tim Colonius, Clancy W. Rowley, Jonathan B. Freund, Richard M. Murray

in IEEE, 3273-3278 doi:10.1109/CDC.2002.1184376

Conference PaperNumerical Simulation of Shock and Bubble Dynamics in Shockwave Lithotripsy

Tim Colonius, Michel Tanguay

doi:10.1121/1.4779204

Conference PaperPOD Analysis of Sound Generation by a Turbulent Jet

T. Colonius, J. B. Freund

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2002-72

Book ChapterReconstruction of large-scale structures and acoustic radiation from a turbulent M = 0.9 jet using proper orthogonal decomposition

T. Colonius, J. B. Freund

International Center for Numerical Methods in Engineering (CIMNE), 257-260

Journal ArticleA Super-Grid-Scale Model for Simulating Compressible Flow on Unbounded Domains

Tim Colonius, Hongyu Ran

Journal of Computational Physics, vol. 182, no. 1, 191-212 doi:10.1006/jcph.2002.7161

Journal ArticleA dilating vortex p@article method for compressible flow

Jeff D. Eldredge, Tim Colonius, Anthony Leonard

Journal of Turbulence, vol. 2002, no. 3, Art. No. 036

Journal ArticleA General Deterministic Treatment of Derivatives in P@article Methods

Jeff D. Eldredge, Anthony Leonard, Tim Colonius

Journal of Computational Physics, vol. 180, no. 2, 686-709 doi:10.1006/jcph.2002.7112

Journal ArticleA Vortex Particle Method for Two-Dimensional Compressible Flow

Jeff D. Eldredge, Tim Colonius, Anthony Leonard

Journal of Computational Physics, vol. 179, no. 2, 371-399 doi:10.1006/jcph.2002.7060

Journal ArticleAn evaluation of linear instability waves as sources of sound in a supersonic turbulent jet

Kamran Mohseni, Tim Colonius, Jonathan B. Freund

Physics of Fluids, vol. 14, no. 10, 3593-3600 doi:10.1063/1.1501545

Conference PaperLarge Eddy Simulation of the Compressible Flow Over an Open Cavity

Keon-Je Oh, Tim Colonius

in American Society of Mechanical Engineers, 1173-1178 doi:10.1115/FEDSM2002-31352

Journal ArticleCavitation Damage to Kidney Stones in SWL Involves the Action of Bubble Clusters: New Observations Using Ultra-High Speed Imaging in Vitro

Yuriy A. Pishchalnikov, Oleg A. Sapozhnikov, Michael R. Bailey, James C. Williams, Robin O. Cleveland, Tim Colonius, Lawrence A. Crum, Andrew P. Evan, James A. McAteer

Journal of Urology Supplement, vol. 167, no. 4, S261-S262

Conference PaperCavitation bubble cluster activity in the breakage of stones by shock wave lithotripsy

Yuriy A. Pishchalnikov, Oleg A. Sapozhnikov, James C. Williams, Andrew P. Evan, James A. McAteer, Robin O. Cleveland, Tim Colonius, Michael R. Bailey, Lawrence A. Crum

doi:10.1121/1.4778494

Journal ArticleA Numerical Investigation of Unsteady Bubbly Cavitating Nozzle Flows

A. T. Preston, T. Colonius, C. E. Brennen

Physics of Fluids, vol. 14, no. 1, 300-311 doi:10.1063/1.1416497

Conference PaperA Reduced-Order Model of Heat Transfer Effects on the Dynamics of Bubbles

A. Preston, T. Colonius, C. E. Brennen

Conference PaperModel-based control of cavity oscillations. II - System identification and analysis

Clarence W. Rowley, David R. Williams, Tim Colonius, Richard M. Murray, Douglas G. MacMartin, Drazin Fabris

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2002-972

Journal ArticleOn self-sustained oscillations in two-dimensional compressible flow over rectangular cavities

Clarence W. Rowley, Tim Colonius, Amit J. Basu

Journal of Fluid Mechanics, vol. 455, 315-346 doi:10.1017/S0022112001007534

Conference PaperNumerical Investigation of Bubble Cloud Dynamics in Shock Wave Lithotripsy

Michel Tanguay, Tim Colonius

in American Society of Mechanical Engineers, 389-394 doi:10.1115/FEDSM2002-31010

Conference PaperA unifying perspective of linear flow instabilities

V. Theofilis, S. J. Sherwin, T. Colonius

Conference PaperModel-based control of cavity oscillations. I - Experiments

David R. Williams, Clarence W. Rowley, Tim Colonius, Richard M. Murray, Douglas G. MacMartin, Drazin Fabris, Julie Albertson

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2002-971

2001

Conference PaperComputation of the Sources of Sound in Turbulent Flow

Tim Colonius

1 doi:10.1121/1.4744852

Conference PaperGlobal Instabilities and Reduced-Order Models of Cavity Flow Oscillations

T. Colonius, C. W. Rowley, V. Theofilis

Conference PaperAn overview of simulation, modeling, and active control of flow/acoustic resonance in open cavities

Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2001-76

PhD ThesisA dilating vortex particle method for compressible flow with application to aeroacoustics

Jeff Eldredge

Ph.D. thesis, California Institute of Technology

Conference PaperA Vortex Paarticle Method for Compressible Flows

Jeff Eldredge, Tim Colonius, Anthony Leonard

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2001-2641

Journal ArticleNumerical experiments on vortex ring formation

Kamran Mohseni, Hongyu Ran, Tim Colonius

Journal of Fluid Mechanics, vol. 430, 267-282 doi:10.1017/S0022112000003025

Conference PaperOn the Role of Nonlinearity in Mach Wave Radiation in a Mach = 1.92 Jet

Kamran Mohseni, Tim Colonius, Jonathan B. Freund

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2001-377

Conference PaperToward Efficient Computation of Heat and Mass Transfer Effects in the Continuum Model for Bubbly Cavitating Flows

Al Preston, Tim Colonius, Christopher E. Brennen

PhD ThesisModeling, simulation, and control of cavity flow oscillations

Clarence Rowley

Ph.D. thesis, California Institute of Technology

Conference PaperDynamical models for control of cavity oscillations

Clarence W. Rowley, Tim Colonius, Richard M. Murray

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2001-2126

Conference PaperNumerical Simulation of Bubbly Cavitating Flow in Shock Wave Lithotripsy

Michel Tanguay, Tim Colonius

2000

Journal ArticleAcoustic Saturation in Bubbly Cavitating Flow Adjacent to an Oscillating Wall

T. Colonius, F. d'Auria, C.E. Brennen

Physics of Fluids, vol. 12, no. 11, 2752-2761 doi:10.1063/1.1313561

Journal ArticleApplication of Lighthill's Equation to a Mach 1.92 Turbulent Jet

T. Colonius, J. B. Freund

AIAA Journal, vol. 38, no. 2, 368-370 doi:10.2514/2.966

PhD ThesisA: Universality in vortex formation; B: Evaluation of Mach wave radiation in a supersonic jet

Kamra Mohseni

Ph.D. thesis, California Institute of Technology

Journal ArticleNumerical Treatment of Polar Coordinate Singularities

Kamran Mohseni, Tim Colonius

Journal of Computational Physics, vol. 157, no. 2, 787-795 doi:10.1006/jcph.1999.6382

Conference PaperA Numerical Investigation of Unsteady Bubbly Cavitating Nozzle Flows

Al Preston, Tim Colonius, Christopher E. Brennen

Journal ArticleDiscretely Nonreflecting Boundary Conditions for Linear Hyperbolic Systems

Clarence W. Rowley, Tim Colonius

Journal of Computational Physics, vol. 157, no. 2, 500-538 doi:10.1006/jcph.1999.6383

Conference PaperPOD Based Models of Self-Sustained Oscillations in the Flow Past an Open Cavity

Clarence W. Rowley, Tim Colonius, Richard M. Murray

in American Institute of Aeronautics and Astronautics doi:10.2514/6.2000-1969

Journal ArticleQuasi‐linear gradients for capillary liquid chromatography with mass and tandem mass spectrometry

Jie Zhou, Felicia Rusnak, Tim Colonius, Gary M. Hathaway

Rapid Communications in Mass Spectrometry, vol. 14, no. 6, 432-438 doi:10.1002/(SICI)1097-0231(20000331)14:6%3C432::AID-RCM886%3E3.0.CO;2-T

1999

Conference PaperCloud Cavitation Phenomena

C. Brennen, T. Colonius, Y.-C. Wang, A. Preston

in The National Academy of Sciences, 239-253

Conference PaperComputation of Sound Generation and Flow/Acoustic Instabilities in the Flow Past an Open Cavity

Tim Colonius, Amit J. Basu, Clarence W. Rowley

in American Society of Mechanical Engineers

Conference PaperDirect numerical simulation of sound generation in turbulent shear flows

Tim Colonius

1007-1007 doi:10.1121/1.425824

Conference PaperNumerical investigation of the flow past a cavity

Tim Colonius, Amit J. Basu, Clarence W. Rowley

in American Institute of Aeronautics and Astronautics doi:10.2514/6.1999-1912

Journal ArticleTransition of Chaotic Flow in a Radially Heated Taylor-Couette System

R. Kedia, M. L. Hunt, T. Colonius

Journal of Heat Transfer, vol. 121, no. 3, 574-582 doi:10.1115/1.2826018

1998

Conference PaperComputing Shock Waves in Cloud Cavitation

Christopher E. Brennen, Tim Colonius, Fabrizio d'Auria

Conference PaperComputation of Shock Waves in Cavitating Flows

Tim Colonius, Christopher E. Brennen, Fabrizio d'Auria

in American Society of Mechanical Engineers, 2022-01-09

Conference PaperEvaluation of Noise Radiation Mechanisms in Turbulent Jets

T. Colonius, K. Mohseni, J. B. Freund, S. K. Lele, P. Moin

in Center for Turbulence Research, 159-167

Journal ArticleNumerical Simulations of Heat Transfer in Taylor-Couette Flow

R. Kedia, M. L. Hunt, T. Colonius

Journal of Heat Transfer, vol. 120, no. 1, 65-71 doi:10.1115/1.2830066

Conference PaperNumerically nonreflecting boundary conditions for multidimensional aeroacoustic computations

Clarence W. Rowley, Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.1998-2220

1997

Journal ArticleNumerically Nonreflecting Boundary and Interface Conditions for Compressible Flow and Aeroacoustic Computations

Tim Colonius

AIAA Journal, vol. 35, no. 7, 1126-1133 doi:10.2514/2.235

Journal ArticleSound generation in a mixing layer

Tim Colonius, Sanjiva K. Lele, Parviz Moin

Journal of Fluid Mechanics, vol. 330, 375-409

1996

Conference PaperNumerically nonreflecting boundary and interface conditions

Tim Colonius

in American Institute of Aeronautics and Astronautics doi:10.2514/6.1996-1661

1995

Journal ArticleAeroacoustics

Tim Colonius

Aerospace America, vol. 33, no. 12, 8

Conference PaperThe Sound Generated by a Two-Dimensional Shear Layer: A Comparison of Direct Computations and Acoustic Analogies

Tim Colonius, Sanjiva K. Lele, Parviz Moin

in Deutsche Gesellschaft für Luft- und Raumfahrt

Conference PaperThe Sound Generated by a Two-Dimensional Shear Layer: The Far Field Directivity from Computations and Acoustic Analogies

Tim Colonius, Sanjiva K. Lele, Parviz Moin

in ASME, 47-52

1994

Journal ArticleThe scattering of sound waves by a vortex: numerical simulations and analytical solutions

Tim Colonius, Sanjiva K. Lele, Parviz Moin

Journal of Fluid Mechanics, vol. 260, 271-298 doi:10.1017/S0022112094003514

1993

Journal ArticleBoundary Conditions for Direct Computation of Aerodynamic Sound Generation

Tim Colonius, Sanjiva K. Lele, Parviz Moin

AIAA Journal, vol. 31, no. 9, 1574-1582 doi:10.2514/3.11817

Conference PaperDirect computation of the sound generated by two-dimensional shear layer

Tim Colonius, Sanjiva K. Lele, Parviz Moin

in American Institute of Aeronautics and Astronautics doi:10.2514/6.1993-4328

1991

Journal ArticleThe free compressible viscous vortex

Tim Colonius, Sanjiva K. Lele, Parviz Moin

Journal of Fluid Mechanics, vol. 230, 45-73 doi:10.1017/S0022112091000708

Conference PaperScattering of Sound Waves by a Compressible Vortex

Tim Colonius, Sanjiva K. Lele, Parviz Moin

in American Institute of Aeronautics and Astronautics doi:10.2514/6.1991-494