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A Finite Element Procedure for Analysis of Chemo-Mechanical Coupling Behavior of Hydrogels

Wei Wei1,2, Qingsheng Yang1,3

Department of Engineering Mechanics, Beijing University of Technology, Beijing 100124, PR China
School of Civil Engineering, Hebei University of Engineering, Handan 056038, PR China
Corresponding authors Email: qsyang@bjut.edu.cn, Tel & Fax: 86-10-67396333 (QS Yang)

Computer Modeling in Engineering & Sciences 2016, 112(1), 33-58. https://doi.org/10.3970/cmes.2016.112.033

Abstract

Chemo-mechanical coupling behavior of materials is a transformation process between mechanical and chemical energy. In this paper, based on the coupled chemo-mechanical constitutive equations and governing equations during isothermal process, the equivalent integral forms of chemo-mechanical coupling governing equations and corresponding finite element procedure are obtained by using Hamilton's principle. An isoparametric plane element for chemo-mechanical coupling is associated into ABAQUS finite element package through user element subroutine UEL. The numerical examples exhibit that the ionic concentration variation can cause mechanical deformation and mechanical action can produce redistribution of ionic concentration for hydrogels. It is proved that the present developed chemo-mechanical coupling finite element procedure can be utilized to model the coupling behavior of hydrogels effectively.

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APA Style
Wei, W., Yang, Q. (2016). A finite element procedure for analysis of chemo-mechanical coupling behavior of hydrogels. Computer Modeling in Engineering & Sciences, 112(1), 33-58. https://doi.org/10.3970/cmes.2016.112.033
Vancouver Style
Wei W, Yang Q. A finite element procedure for analysis of chemo-mechanical coupling behavior of hydrogels. Comput Model Eng Sci. 2016;112(1):33-58 https://doi.org/10.3970/cmes.2016.112.033
IEEE Style
W. Wei and Q. Yang, "A Finite Element Procedure for Analysis of Chemo-Mechanical Coupling Behavior of Hydrogels," Comput. Model. Eng. Sci., vol. 112, no. 1, pp. 33-58. 2016. https://doi.org/10.3970/cmes.2016.112.033



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