I am running a SOL 101 linear statics FEA. If I fix down the whole geometry it converges. But anything less than around 90% fix down and it will sit there crunching away at the numbers forever. This is with no other boundary conditions, forces, etc. applied on the system. What is it even trying to crunch? there are no forces on the system! What could be causing my geometry to be "haunted"? How do I go about troubleshooting this?
So far I have been un-fixing down regions of my geometry to try to track down what could be causing the problem, but I am not having much luck. Plus each test takes 10+ minutes so I am hoping there is a better way.