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Volume 7
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10.3390/app7030289
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Article

An Explicit Approach Toward Modeling Thermo-Coupled Deformation Behaviors of SMPs

by
Hao Li
,
Xie-Fei Ding
,
Zheng-Nan Yin
and
Heng Xiao
*
Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Yanchang Road 149, Shanghai 200072, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2017, 7(3), 289; https://doi.org/10.3390/app7030289
Submission received: 25 December 2016 / Revised: 9 February 2017 / Accepted: 23 February 2017 / Published: 16 March 2017
(This article belongs to the Section Materials Science and Engineering)
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Abstract

A new elastoplastic J 2 -flow models with thermal effects is proposed toward simulating thermo-coupled finite deformation behaviors of shape memory polymers. In this new model, an elastic potential evolving with development of plastic flow is incorporated to characterize the stress-softening effect at unloading and, moreover, thermo-induced plastic flow is introduced to represent the strain recovery effect at heating. It is shown that any given test data for both effects may be accurately simulated by means of direct and explicit procedures. Numerical examples for model predictions compare well with test data in literature.
Keywords: shape memory polymers; thermo-coupled effects; finite deformations; stress softening; elastoplasticity models; explicit simulation shape memory polymers; thermo-coupled effects; finite deformations; stress softening; elastoplasticity models; explicit simulation

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MDPI and ACS Style

Li, H.; Ding, X.-F.; Yin, Z.-N.; Xiao, H. An Explicit Approach Toward Modeling Thermo-Coupled Deformation Behaviors of SMPs. Appl. Sci. 2017, 7, 289. https://doi.org/10.3390/app7030289

AMA Style

Li H, Ding X-F, Yin Z-N, Xiao H. An Explicit Approach Toward Modeling Thermo-Coupled Deformation Behaviors of SMPs. Applied Sciences. 2017; 7(3):289. https://doi.org/10.3390/app7030289

Chicago/Turabian Style

Li, Hao, Xie-Fei Ding, Zheng-Nan Yin, and Heng Xiao. 2017. "An Explicit Approach Toward Modeling Thermo-Coupled Deformation Behaviors of SMPs" Applied Sciences 7, no. 3: 289. https://doi.org/10.3390/app7030289

APA Style

Li, H., Ding, X.-F., Yin, Z.-N., & Xiao, H. (2017). An Explicit Approach Toward Modeling Thermo-Coupled Deformation Behaviors of SMPs. Applied Sciences, 7(3), 289. https://doi.org/10.3390/app7030289

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