运行ANSYS出现提示如下:
The value of UX at node 81784 is 8.287208527E+12. It is greater than
the current limit of 1000000. This generally indicates rigid body
motion as a result of an unconstrained model. Verify that your model
is properly constrained.
为什么?怎么才能够消除这种问题?急求高手解答