*** ERROR # 312 ***,PROGRAM STOPPED: FATAL ERROR(s) ENCOUNTERED.


Updated by Altair Forum User
Hi
I have model for topology optimization. It shows the following error
*** ERROR # 312 ***
In static load case 1
the compliance is negative or large 6.79833e+008.
Optimization/buckling analysis cannot be performed.
due to possible rigid body mode.
FEASIBLE DESIGN (ALL CONSTRAINTS SATISFIED).
I realized that it may be due to no proper node to node connectiviyt.I even checked for preview equivalence. There was no disconnectivity. I dont understand whats the error .Please help .I have uploaded the file .Please help me to solve