Modified fixed point algorithm in fluid–structure interactionAccélération avec des conditions de transpiration d'un algorithme de point fixe en interaction fluide–structure
1. École polytechnique fédérale de Lausanne, IACS, 1015 Lausanne, Switzerland;2. Politecnico di Milano, MOX, Piazza L. da Vinci 32, 20133 Milano, Italy;3. CES, The University of Texas at Austin, Austin, TX 78712, USA
Abstract:
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. To cite this article: S. Deparis et al., C. R. Mecanique 331 (2003).