Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid acceleration

In the present paper the efficiency of acceleration techniques for fluid- structure interaction computations are investigated. The solution procedure involves the finite volume flow solver FASTEST, the finite- element structural solver FEAP, and the coupling interface MpCCI. Within the employed part...

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Main Authors: S. Yigit, D. D. Sternel, M. Schäfer
Format: Article
Language:English
Published: MULTIPHYSICS 2007-03-01
Series:International Journal of Multiphysics
Online Access:http://journal.multiphysics.org/index.php/IJM/article/view/12
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author S. Yigit
D. D. Sternel
M. Schäfer
author_facet S. Yigit
D. D. Sternel
M. Schäfer
author_sort S. Yigit
collection DOAJ
description In the present paper the efficiency of acceleration techniques for fluid- structure interaction computations are investigated. The solution procedure involves the finite volume flow solver FASTEST, the finite- element structural solver FEAP, and the coupling interface MpCCI. Within the employed partitioned solution approach, a geometric multigrid solution strategy on moving grids for the fluid domain is introduced. In particular, the order in which the convective fluxes have to be treated within the pressure- correction smoothing procedure is addressed. For reducing the coupling iteration steps an adaptive underrelaxaation algorithm is employed. Both acceleration techniques are investigated separately and in combination with respect to numerical efficiency. As test configuration a representative three-dimensional ullsteady coupled problem is considered.
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spelling doaj.art-59382d4f58894295be190817c622fef92023-09-03T01:27:08ZengMULTIPHYSICSInternational Journal of Multiphysics1750-95482048-39612007-03-011110.1260/17509540778013053531Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid accelerationS. YigitD. D. SternelM. SchäferIn the present paper the efficiency of acceleration techniques for fluid- structure interaction computations are investigated. The solution procedure involves the finite volume flow solver FASTEST, the finite- element structural solver FEAP, and the coupling interface MpCCI. Within the employed partitioned solution approach, a geometric multigrid solution strategy on moving grids for the fluid domain is introduced. In particular, the order in which the convective fluxes have to be treated within the pressure- correction smoothing procedure is addressed. For reducing the coupling iteration steps an adaptive underrelaxaation algorithm is employed. Both acceleration techniques are investigated separately and in combination with respect to numerical efficiency. As test configuration a representative three-dimensional ullsteady coupled problem is considered.http://journal.multiphysics.org/index.php/IJM/article/view/12
spellingShingle S. Yigit
D. D. Sternel
M. Schäfer
Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid acceleration
International Journal of Multiphysics
title Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid acceleration
title_full Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid acceleration
title_fullStr Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid acceleration
title_full_unstemmed Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid acceleration
title_short Efficiency of fluid-structure interaction simulations with adaptive underrelaxation and multigrid acceleration
title_sort efficiency of fluid structure interaction simulations with adaptive underrelaxation and multigrid acceleration
url http://journal.multiphysics.org/index.php/IJM/article/view/12
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AT mschafer efficiencyoffluidstructureinteractionsimulationswithadaptiveunderrelaxationandmultigridacceleration