Tim Colonius

Tim Colonius

Frank and Ora Lee Marble Professor of Mechanical Engineering

Degrees and Appointments

B.S., University of Michigan (Ann Arbor), 1987; M.S., Stanford University, 1988; Ph.D., 1994. Assistant Professor, Caltech, 1994-2000; Associate Professor, 2000-05; Professor, 2005-16; Marble Professor, 2017-.

Email: coloniuscaltech.edu

Tel: (626) 395-4021

261 Gates-Thomas Laboratory MC 104-44 Pasadena, CA 91125


Research Group Matters
Holly Golcher
262 Gates-Thomas Laboratory
(626) 395-4229

Research Group Website » Personal Website »

Research Overview

Professor Colonius studies complex, multiscale flow phenomena and their control using theory, numerical experiments, and simulations. Simulations from his lab have provided key insights into such subject areas as turbulence, instabilities, sources of sound, and shock and bubble dynamics. His research has broad applications—from ultrasound imaging and therapy to mitigating jet noise to generating energy from flow systems.

List of Research Areas

Fluid dynamics: global instabilities, cavitation and bubble dynamics, aerodynamic sound. Control: closed-loop flow control and reduced-order modeling. Biomedical fluid dynamics: shock-waves, lithotripsy and ultrasound. Numerical methods: interface capturing, immersed-boundary methods, high-order-accurate methods, and nonreflecting boundary conditions.

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