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Design and Evaluation of Staggered Partitioned Procedures for Fluid-Structure Interaction Simulations

Serge Piperno 1 Charbel Farhat
1 CAIMAN - Scientific computing, modeling and numerical analysis
CRISAM - Inria Sophia Antipolis - Méditerranée , ENPC - École des Ponts ParisTech, CNRS - Centre National de la Recherche Scientifique : UMR6621
Abstract : Numerical simulations of unsteady flows past a flexible structure require the simultaneous solution of structural dynamics and of fluid dynamics on deformable dynamic meshes. We present here an evaluation method of staggered partitioned procedures for time-integrating these focus coupled problems. This method is based on an estimation of the energy that is numerically created at the fluid/structure interface because of staggering. Simplifying assumptions make this estimation easy for a wide family of mixed explicit/implicit or implicit/implicit, synchronous or asynchronous procedures. Insights gained from this evaluation method are confirmed with the analysis of numerical results for the flutter of a flat panel in supersonic airstreams in two and three dimensions and for the transient aeroelastic response of an AGARD 445.6 wing in the transonic regime.
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https://hal.inria.fr/inria-00073448
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Submitted on : Wednesday, May 24, 2006 - 12:50:03 PM
Last modification on : Friday, February 4, 2022 - 3:11:09 AM
Long-term archiving on: : Sunday, April 4, 2010 - 11:46:54 PM

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  • HAL Id : inria-00073448, version 1

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Serge Piperno, Charbel Farhat. Design and Evaluation of Staggered Partitioned Procedures for Fluid-Structure Interaction Simulations. RR-3241, INRIA. 1997. ⟨inria-00073448⟩

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