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Improvement of Reduced Order Modeling based on Proper Orthogonal Decomposition
Abstract : This study focuses on stabilizing Reduced Order Model based on Proper Orthogonal Decomposition (POD) and on improving the POD functional subspace. A modified reduced order model (ROM) that incorporates directly the pressure term is proposed. The ROM is obtained by seeking a solution that lives in the POD subspace and at the same time minimizes the Navier-Stokes residuals. Both ROM stabilization and POD subspace adaptation make use of methods based on the fine scale equation that is approximated using the residuals of the Navier-Sokes equations. Results are shown for the 2D confined cylinder wake flow.
Cited literature [11 references]
https://hal.inria.fr/inria-00336177
Contributor : Michel Bergmann <>
Submitted on : Monday, November 3, 2008 - 10:11:42 AM
Last modification on : Thursday, February 11, 2021 - 2:54:02 PM
Long-term archiving on: : Monday, June 7, 2010 - 8:54:43 PM
Contributor : Michel Bergmann <>
Submitted on : Monday, November 3, 2008 - 10:11:42 AM
Last modification on : Thursday, February 11, 2021 - 2:54:02 PM
Long-term archiving on: : Monday, June 7, 2010 - 8:54:43 PM
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