I try to impliment my own failure criteria in laminate modeler, and I encounter a few problems.
the example file found in the help guide does not work. Patran returns an error where it explains that I must add functions: check_mat_allow_valid, name....
I do not know how to implement them, which...
hello,
I try to impliment my own failure criteria in laminate modeler, and I encounter a few problems.
the example file found in the help guide does not work. patran return an error where it explains that I must add functions: check_mat_allow_valid, name....
I do not know how to use them.
if...
Hello,I am modeling tape spring with NASTRAN.
It is a non linear problem due to geometry with snap through behaviour.
Usually the solution is to use arc lengh method (I use Crisfield). But with this one, I have ping-pong effect.
If somebody has an idea to solve it ...please
thanks