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Normal modes analysis with FASTCONT

User: "Mat_80"
Mat_80
Altair Community Member
Updated by Mat_80

Hello everybody, I do a 'normal mode' analysis in a model without contact and I get 8 rigid displacements. Then I create the contact surface (with type Freeze) and I active the FASTCON card. So I do again the normal mode analysis but I obtain only 7 rigid displacements. Someone can help me? 

Thank so much for the help 

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