I ran into a problem, so I created a simple model to reproduce it. In this simple model, I created a 101010 cube divided into 10 grid units in all three directions. I applied the boundary condition with shear in the xy plane and axial displacements on -x and +x which paste from an example file, and then I got this error.
My mesh looks like this:
And here are the files to reproduce the problem.
crust-demo.zip (19.9 KB)
I think there is no distortion in the grid itself at all,so I believe the cause is the dimensionless geometric length is much larger than the unit size, but it is really confuse me, How can I check and solve this problem?