Chapter

Control of unsteady flows

Bijan Mohammadi and Olivier Pironneau

in Applied Shape Optimization for Fluids

Second edition

Published in print September 2009 | ISBN: 9780199546909
Published online February 2010 | e-ISBN: 9780191720482 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199546909.003.0011

Series: Numerical Mathematics and Scientific Computation

 Control of unsteady flows

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This chapter presents applications of shape optimization algorithms to cases where the flow is unsteady for rigid and elastic bodies, and shows that control and OSD problems are particular cases of a general approach. Closed loop control algorithms are presented together with an analogy with dynamical systems. The chapter starts with model problems for rigid and elastic objects. In multi-model configurations, coupling strategies have been discussed and low complexity models introduced.

Keywords: closed loop control algorithms; shape optimization; unsteady flows; elastic bodies; low complexity models

Chapter.  4589 words.  Illustrated.

Subjects: Mathematical and Statistical Physics

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