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Published June 2000 | Published
Conference Paper Open

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


The goal of this work is to provide accurate dynamical models of oscillations in the flow past a rectangular cavity, for the purpose of bifurcation analysis and control. We have performed an extensive set of direct numerical simulations which provide the data used to derive and evaluate the models. Based on the method of Proper Orthogonal Decomposition (POD) and Galerkin projection, we obtain low-order models (from 6 to 60 states) which capture the dynamics very accurately over a few periods of oscillation, but deviate for long time.

Additional Information

© 2000 by the authors. Published by the American Institute of Aeronautics and Astronautics, Inc. with permission. Published Online: 22 Aug 2012. Supported by AFOSR under grant F49620-98-1-0095 with technical monitor Dr. Thomas Beutner.

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Published - RowleyColoniusMurray2000.pdf


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