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

[+] Author Affiliations
Wael Zaki

Khalifa University, Abu Dhabi, UAE

Xiaojun Gu, Weihong Zhang

Northwestern Polytechnical University, Xi’an, Shaanxi, China

Claire Morin

École des Mines de Saint-Étienne, Saint-Étienne, France

Ziad Moumni

ENSTA-Paristech, Palaiseau, France

Paper No. SMASIS2014-7599, pp. V001T03A024; 5 pages
doi:10.1115/SMASIS2014-7599
From:
  • ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring; Keynote Presentation
  • Newport, Rhode Island, USA, September 8–10, 2014
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-4614-8
  • Copyright © 2014 by ASME

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.

Copyright © 2014 by ASME

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