Doubts regarding Free Free analysis
Altair EmployeeI am doing a free free analysis i.e. performing normal mode without any constraints. I have observed that after first 6 rigid modes, model shows deformation. I want to know what causes this deformation? I mean if it is unconstrained then why at all it is deforming
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Your analysis is correct. It's not really 'deformation' due to fixations & external loading, but you got different vibration modes.