Efficient coupling of finite elements and boundary elements---adaptive procedures and preconditioners

Abstract

The article is split into four parts. First, we present the symmetric finite element/boundary element-coupling method. Second, we address the choices of appropriate preconditioners for the resulting discrete system when h- and p-versions are performed. Third, we discuss contact problems which are reduced to variational inequalities. Finally, we show the practical applicability of the finite element/boundary element-coupling method by applying it to a metal turning process. Here the viscoplastic work piece is modelled with finite elements and the linear elastic work tool (milling cutter) is modelled with boundary elements. This leads to an efficient and fast numerical method to simulate the metal turning process and to predict failure of the thermal shrink fit which holds the milling cutter. References

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