An abstract interface for the description of material laws for the simulation of elastoplastic problems
نویسندگان
چکیده
We explain an interface for the implementation of rate-independent elastoplasticity which separates the pointwise evaluation of the elastoplastic material law and the global solution of the momentum balance equation. The elastoplastic problem is discretized in time by the implicit Euler method and every time step is solved with a Newton iteration. For the discretization in space the material parameters are computed at the Gauß points which are used for the numerical integration. The displacement vector is computed with finite elements. The assembling of the linearized problem uses the interface only and the linear problem in every Newton step is solved with an adaptive multigrid method. AMS Subject Classification: 65N30
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