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Numerical methods for low-order modeling of fluid flows based on POD
Abstract : This report explores some numerical alternatives that can be exploited to derive efficient low-order models of the Navier-Stokes equations. It is shown that an optimal solution sampling can be derived using appropriate norms of the Navier-Stokes residuals. Then the classical Galerkin approach is derived in the context of a residual minimization method that is similar to variational multiscale modeling. Finally, calibration techniques are reviewed and applied to the computation of unsteady aerodynamic forces. Examples pertaining to both non-actuated and actuated flows are shown.
Cited literature [29 references]
https://hal.inria.fr/inria-00345184
Contributor : Michel Bergmann Connect in order to contact the contributor
Submitted on : Monday, December 8, 2008 - 3:18:10 PM
Last modification on : Wednesday, February 2, 2022 - 3:53:25 PM
Long-term archiving on: : Tuesday, June 28, 2011 - 6:13:55 PM
Contributor : Michel Bergmann Connect in order to contact the contributor
Submitted on : Monday, December 8, 2008 - 3:18:10 PM
Last modification on : Wednesday, February 2, 2022 - 3:53:25 PM
Long-term archiving on: : Tuesday, June 28, 2011 - 6:13:55 PM
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RR-6758.pdf
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