A finite element implementation of a coupled diffusion-deformation theory for elastomeric gels

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

卷:52

Article

Chester, Shawn A.¹  Di Leo, Claudio V.²  Anand, Lallit² 

[1] New Jersey Inst Technol, Dept Mech & Ind Engn, Newark, NJ 07102 USA

[2] MIT, Dept Mech Engn, Cambridge, MA 02139 USA

关键词: Elastomeric materials;    Gels;    Diffusion;    Large deformations;    Finite elements;   

DOI  :  10.1016/j.ijsolstr.2014.08.015

来源: Elsevier

【 摘 要 】

The theory of Chester and Anand (2011) for fluid diffusion and large deformations of elastomeric gels is implemented as a user-defined element (UEL) subroutine in the commercial finite element software package ABAQUS. A specialized form of the constitutive equations and the governing partial differential equations of the theory are summarized, and the numerical implementation is described in detail. To demonstrate the robustness of the numerical implementation a few illustrative numerical simulation examples for axisymmetric, plane strain, and three-dimensional geometries are shown. For educational purposes, and also to facilitate the numerical implementation of other coupled multiphysics theories, the source code for the UEL is provided as an online supplement to this paper. (C) 2014 Elsevier Ltd. All rights reserved.

【 授权许可】

Free