The Proceedings of the Materials and Mechanics Conference
Online ISSN : 2424-2845
2012
Session ID : OS0611
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OS0611 Study on Elasto-Plastic Type Constitutive Law for Nonlinear Piezoelectric Problems
Gakuji NAGAIAkihiro IWATAYoshiki KATAGIRI
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Abstract
We conduct numerical experiments of a recently proposed elasto-plastic constitutive model for nonlinear piezoelectric problems, which is based on thermo mechanics. This model is in the same framework of classical elasto-plasticity for metals and hence, computational return mapping algorithm can be constructed for nonlinear electro-mechanical finite element analyses. The numerical experiments under electrical loadings show not only its numerical robustness for large increments but also its capability for the high representation of phenomenological behaviors.
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© 2012 The Japan Society of Mechanical Engineers
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