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Coupling of BEM and FEM by a multiplicative Schwarz method and its parallel implementation. (English) Zbl 0936.74079

We describe the coupling of displacement-based FEM and collocation BEM and its implementation on a distributed memory system (Parsytec MultiCluster2). The parallelization is performed by data partitioning, which leads to a very high efficiency. As model problems, we assume linear elasticity for the boundary element method and elastoplasticity for the finite element method. The efficiency of our implementation is shown by various test examples. By numerical examples we show that a multiplicative Schwarz method for coupling BEM with FEM is very well suited for parallel implementation.

MSC:

74S15 Boundary element methods applied to problems in solid mechanics
74S05 Finite element methods applied to problems in solid mechanics
74S30 Other numerical methods in solid mechanics (MSC2010)
65Y05 Parallel numerical computation
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