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Paper detail

Parallel time-stepping for fluid-structure interactions

We present a parallel time-stepping method for fluid-structure interactions. The interaction between the incompressible Navier-Stokes equations and a hyperelastic solid is formulated in a fully monolithic framework. Discretization in space is based on equal order finite element for all variables and a variant of the Crank-Nicolson scheme is used as second order time integrator. To accelerate the solution of the systems, we analyze a parallel-in time method. For different numerical test cases in 2d and in 3d we present the efficiency of the resulting solution approach. We also discuss some special challenges and limitations that are connected to the special structure of fluid-structure interaction problem.

preprint2019arXivOpen access
Nils MargenbergThomas Richter
math.NANumerical Analysis
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Nils MargenbergThomas Richter

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