Modified fixed point algorithm in fluid–structure interaction

In this work, we address the numerical solution of some non-linear problems arising in the time discretization of fluid–structure interaction problems with fully implicit schemes. At each time step, we have to solve a highly non-linear coupled system, since the fluid domain depends on the unknown displacement of the structure. We propose a modified fixed-point algorithm which combines the Block-Gauss–Seidel iterations with a transpiration formulation. Numerical experiments show the great improvement in computing time with respect to the standard method.


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Comptes rendus Mecanique, 331, 8, 525-530
Year:
2003
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 Record created 2007-12-13, last modified 2018-03-13

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