Anyway, i will update my progress about this issue here.
First of all, there is a mistake in the subroutine. The stateNew(k,1) = StateUpdate before end do should be deleted.
Second. I tried to just use plasticity for the concrete and didn't change the subroutine. Then it works well, i.e...
Dear all,
I am trying to use subroutine VUSDFLD to carry out element deletion for concrete fracture analysis. The subroutine is as follow. The model can run but i cannot see any element deleted during the analysis.
I suspect the subroutine does not change the status value as defined in DEPVAR...