Time Integration and Assessment of a Model for Shape Memory Alloys Considering Multiaxial Nonproportional Loading Cases

Abstract : The paper presents a numerical implementation of the ZM model for shape memory alloys that fully accounts for non-proportional loading and its influence on martensite reorientation and phase transformation. Derivation of the time-discrete implicit integration algorithm is provided. The algorithm is used for finite element simulations using Abaqus, in which the model is implemented by means of a user material subroutine. The simulations are shown to agree with experimental and numerical simulation data taken from the literature.
Keywords : Shape memory alloys
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Wael Zaki, Xiaojun Gu, Weihong Zhang, Claire Morin, Ziad Moumni. Time Integration and Assessment of a Model for Shape Memory Alloys Considering Multiaxial Nonproportional Loading Cases. ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Sep 2014, Newport, United States. pp. V001T03A024; (5 p.), 2014, 978-0-7918-4614-8. ⟨10.1115/SMASIS2014-7599⟩. ⟨emse-01108477⟩

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