Coupling schemes for the FSI forward prediction challenge: comparative study and validation

Mikel Landajuela 1 Marina Vidrascu 1 Dominique Chapelle 2 Miguel Angel Fernández 1, *
* Corresponding author
1 REO - Numerical simulation of biological flows
LJLL - Laboratoire Jacques-Louis Lions, Inria Paris-Rocquencourt, UPMC - Université Pierre et Marie Curie - Paris 6
2 M3DISIM - Mathematical and Mechanical Modeling with Data Interaction in Simulations for Medicine
LMS - Laboratoire de mécanique des solides, Inria Saclay - Ile de France
Abstract : This paper presents a numerical study in which several partitioned solution procedures for incompressible fluid-structure interaction are compared and validated against the results of an experimental FSI benchmark. The numerical methods discussed cover the three main families of coupling schemes: strongly coupled, semi-implicit and loosely coupled. Very good agreement is observed between the numerical and experimental results. The comparisons confirm that strong coupling can be efficiently avoided, via semi-implicit and loosely coupled schemes, without compromising stability and accuracy.
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Mikel Landajuela, Marina Vidrascu, Dominique Chapelle, Miguel Angel Fernández. Coupling schemes for the FSI forward prediction challenge: comparative study and validation. International Journal for Numerical Methods in Biomedical Engineering, John Wiley and Sons, 2017, 33 (4), pp.e02813. ⟨10.1002/cnm.2813⟩. ⟨hal-01239931v2⟩

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