User subroutines platform development for rubber hyperelastic constitutive models and its application in finite element analysis

被引：10

作者：

Wan, Xianqi ^{[1
]}

Zhang, Yaru ^{[1
]}

Zhang, Qiang ^{[1
]}

Zhang, Liqun ^{[1
]}

Li, Fanzhu ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China

来源：

COMPUTATIONAL MATERIALS SCIENCE | 2024年 / 237卷

基金：

中国国家自然科学基金;

关键词：

Rubber; Hyperelastic; Finite element analysis; UHYPER; UMAT; STRAIN-ENERGY FUNCTION; DENSITY-FUNCTION; BEHAVIOR LAWS; TUBE-MODEL; ELASTICITY; DEFORMATION; PARAMETERS; NETWORK; STRESS; SIMULATION;

D O I：

10.1016/j.commatsci.2024.112885

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Aiming at the problem that not enough hyperelastic constitutive models (HCMs) built-in commercial finite element analysis (FEA) software could be utilized, and it is difficult to achieve a high-precision description of the mechanical response behavior of various complex rubber and its composite materials, we developed a UHYPER and UMAT subroutine integration platform based on the user-defined material subroutine function in Abaqus/ Standard. The integration platform including 70 HCMs can effectively improve the selection comprehensiveness of HCMs in the material property module of FEA software and the accuracy of simulation results. On the premise that the material parameters are consistent, it is found that the calculation results of the UHYPER subroutine in our integration platform are completely consistent with the calculation results of the built-in HCMs in Abaqus, and the error between the UMAT subroutine result and the built-in model result is within 5.0%. This study indicates the effectiveness and reliability of the user-defined material subroutine integration platform.

引用

页数：11

共 88 条

[1] A CONSTITUTIVE RELATION FOR RUBBER-LIKE MATERIALS [J].