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| Modeling and visualization of UELMAT user continuum elements based on layered structure |
| Received:October 13, 2023 Revised:November 15, 2023 |
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| DOI：10.7511/jslx20231013001 |
| KeyWord:UELMAT layered structure visualization UVARM user continuum elements |
| Author | Institution |
| 王铸 |
湘潭大学 机械工程与力学学院, 湘潭 |
| 肖映雄 |
湘潭大学 机械工程与力学学院, 湘潭 |
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| Abstract: |
| In this paper,a convenient method for modeling and visualization of user continuum elements is designed in order to implement a finite element model quickly based on user continuum elements in ABAQUS,call the built-in constitutive models of ABAQUS and visualize the results at material integration points.This method uses a layered structure to define a finite element model based on user continuum elements,implemented by UELMAT subroutine which can call the ABAQUS built-in constitutive models.For the purpose of saving the results at the material integral points in the output database file,this method also uses the UVARM subroutine combined with the ABAQUS kernel script interface to write the results into an output database file.To verify the reliability of this method,a bilinear plane stress element Q4S and a plane strain element Q4EB are then implemented by B-bar approach,and the results with CPS4 and CPE4 elements are compared in some linear elasticity and small deformation elastic-plastic cases.The results indicate that Q4S and Q4EB can obtain consistent results with CPS4 and CPE4.This method provides a reference for fast modeling and visualization of UELMAT user continuum element by calling built-in constitutive models. |