The Secondary Development of Nonlinear Viscoelastic Constitutive Model Based on ABAQUS

Long Yi; Yun Peng; Hou Quan Hong; Yu Liang Li

doi:10.4028/www.scientific.net/AMM.138-139.466

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 138-139The Secondary Development of Nonlinear...

The Secondary Development of Nonlinear Viscoelastic Constitutive Model Based on ABAQUS

Abstract:

Based on the subroutine VUMAT, user-defined material model in the nonlinear finite element software ABAQUS/EXPLICIT, a nonlinear viscoelastic constitutive model is developed. The validify of the subroutine has been proven through the standard uniaxial tensile model. The shortage of finite element softwares which only have linear viscoelastic constitutive model is remedied. This paper presents the process of developing a material constitutive model and some useful technology. It can be referred for extending the material constitutive model in finite element softwares.

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Periodical:

Applied Mechanics and Materials (Volumes 138-139)

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466-470

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.138-139.466

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Online since:

November 2011

Authors:

Long Yi, Yun Peng, Hou Quan Hong, Yu Liang Li

Keywords:

Constitutive Model, Finite Element, Nonlinear Viscoelastic, User-Defined Subroutine

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