4.1.39 VUSDFLD

Product: Abaqus/Explicit  

Elements tested

B31    C3D8    C3D8R    CAX4R    CPE4    CPE4R    CPS4R   

M3D4    M3D4R    PIPE31    S4    S4R    S4RS    SAX1    SC8R    T2D2    T3D2   

Feature tested

User subroutine to redefine field variables at a material point.

Problem description

This test verifies that the user-defined material point field variable in user subroutine VUSDFLD is transferred properly to the solution process. The finite element model consists of multiple disconnected elements of the types listed above. Each element is associated with a Mises plasticity model and in each case a damage model is constructed based on a user-defined field. For comparison purposes, a duplicate set of elements with equivalent damage initiation/damage evolution definitions is included to provide a reference solution.

Results and discussion

In each case the results in the testing element match the solution in the reference element, which can be observed from the time-history plots of the output variables.

Input files

damage_vusdfld.inp

Damage analysis.

damage_vusdfld.f

User subroutine VUSDFLD used in damage_vusdfld.inp.