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

User: "Altair Forum User"
Altair Employee
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 

 

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