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| Finite element theory of chemo-mechanical coupling and the program implementation of UEL in ABAQUS for the continuous colloidal material |
| Received:August 07, 2015 Revised:December 18, 2015 |
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| DOI：10.7511/jslx201605020 |
| KeyWord:chemo-mechanical coupling coupled finite element method gauss integral method ABAQUS user element subroutine(UEL) |
| Author | Institution |
| 魏巍 |
北京工业大学 机械工程与应用电子技术学院, 北京 ;河北工程大学 土木工程学院, 邯郸 |
| 杨庆生 |
北京工业大学 机械工程与应用电子技术学院, 北京 |
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| Abstract: |
| Based on Hamilton's principle,the equivalent integral forms of chemo-mechanical coupling governing equations and corresponding finite element forms are obtained.The strain matrix and element stiffness matrix represented by shape functions in chemo-mechanical coupling are derived in the global coordinate system.Discrete forms of element stiffness matrix are acquired in the local coordinate system.The user element subroutine UEL is programmed in ABAQUS finite element package.The numerical example shows the validity of the UEL developed,which can provide some references for the programming realization of UEL in ABAQUS software for various coupling problems with the form of the finite element. |