Abstract
AbstractIn the framework of plasticity the simulation of materials is addressed, which experimentally exhibit different behavior in different loading scenarios, such as tension, compression and shear. To this end an additive decomposition of the yield function and the plastic potential, is assumed into a sum of weighted stress mode related quantities. The characterization of the stress modes is obtained in the octahedral plane of the deviatoric stress space in terms of the Lode angle, such that stress mode dependent scalar weighting functions can be constructed. Verification of the proposed methodology is succeeded for simulation of the pseudoelastic behavior of shape memory alloys with different hardening characteristics in tension and shear. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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