Dear all,
I am using the user subroutine (UMAT/VUMAT) to define the constitutive relation. However, this constitutive relation includes only in-plane membrane components. When I am using the membrane element, the simulation runs alright; but I have to include the out-of-plane bending behaviour using the shell element. I have assigned the section properties with the transverse stiffness, but it does not work. Any suggestions?
For implicit simulations, you can use an UGENS user subroutine,
http://abaqus.software.polimi.it/v6.14/books/sub/default.htm
Apparently, an explicit version of this subroutine also exist (VUGEN), (see for example : http://www.sciencedirect.com/science/article/pii/S2212827117304067).
Kind regards,
Hi Eduardo Guzman,
Thanks for your answer.
For Abaqus/Standard, UGENS (rather than UGEN) is the subroutine to define the shell section behaviour.
However, for Abaqus/Explicit, there is no VUGENS. As far as I understand, there is no user-defined subroutine available in Abaqus/Explicit to define the shell section behaviour. I guess VUEL is required to define a new type of element to include the bending component.
Anyway, thanks for your kind suggestion. ^_^ Also, you are warmly welcome to give some further suggestions.
Best regards,
Shuai
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