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Title of Journal: Int J Mater Form

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Abbravation: International Journal of Material Forming

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Springer-Verlag

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1960-6214

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On the adaptive use of the Taylor assumption in co

Authors: F Larsson R Lillbacka K Runesson
Publish Date: 2009/12/15
Volume: 2, Issue: 1, Pages: 903-
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Abstract

A strategy for macroscale modeling adaptivity in fully nested twoscale computational first order homog enization based on assumed scale separation is proposed The Representative Volume Element RVE for a quite complex substructure pertinent to Duplex Stainless Steel DSS is considered whereby crystal plasticity is adopted for the subscale material modeling The choice of the pertinent prolongation condition defining the deformation mapping from the macro to the subscale is the sole source of model error discussed here Two common choices are in hierarchical order 1 ”simplified” model based on homogeneous macroscale deformation within the RVE ie the Taylor assumption 2 ”reference” model employing Dirichlet boundary conditions on the RVE

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