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A numerical study of partitioned fluid‐structure interaction applied to a cantilever in incompressible turbulent flow
Author(s) -
Lorentzon Johan,
Revstedt Johan
Publication year - 2019
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.6245
Subject(s) - solver , fluid–structure interaction , compressibility , turbulence , cantilever , computer science , computational science , flow (mathematics) , computational fluid dynamics , incompressible flow , fluid dynamics , mechanics , finite element method , physics , aerospace engineering , engineering , structural engineering , programming language
Summary This study presents an approach for partitioned fluid‐structure interaction (FSI) applied to large structural deformations, where an incompressible turbulent solver is combined with a structural solver. The implementation is based upon two different open‐source libraries by using MPI as a parallel communication protocol, the packages and OpenFOAM. FSI is achieved through a strongly‐coupled scheme. The solver has been validated against cases with a submerged cantilever in a channel flow to which experiments, numerical calculations and theoretical solutions are available. The verification of the procedure is performed by using a solid‐solid interaction (SSI) study. The solver has proven to be robust and has the same parallel efficiency as the fluid and the solid solver stand‐alone.

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