OptiStruct creating Beam Elements
Hey,
I want to make a static analysis of a composite part. I'm simulating a monocoque. I want to represent the axes by beam elements. As you can see in my attached file this works very well. The following is repeatedly observed when the analysis is running:
*** WARNING # 5628
The compliance is negative or large 9.02038e+11.
The rotational displacement has large magnitude, 159742 degrees (larger than 180).
The rotational degree of freedom may not be constrained properly in the model.
subcase id = 1
grid id = 1
component = 4
Can you please help me to solve the problem? Unfortunately i am under a lot of time pressure.
Thank you in advance!