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Autor(en):
Nuebel, V.; Duester, A.; Rank, E. 
Titel:
An rp-adaptive finite element method for elastoplastic problems 
Abstract:
In this paper we present an rp-discretization strategy for physically non-linear problems that is based on a high order finite element formulation. In order to achieve convergence, the p-version leaves the mesh unchanged and increases the polynomial degree of the shape functions locally or globally, whereas the r-method moves the nodes of an existing FE-mesh. The basic idea of our rp-version approach is to adjust the finite element mesh to the shape of the elastic-plastic interface in order to t...    »
 
Stichworte:
Deformation Theory of Plasticity; p-version FEM; Adaptivity 
Kongress- / Buchtitel:
ECCOMAS 2004, Jyväskylä, Finland 
Jahr:
2004