Some nodal displacements must be fixed in every FE model. Why? Choose all correct responses.
Posted: Fri Jul 08, 2022 5:47 am
Some nodal displacements must be fixed in every FE model. Why?Choose all correct responses.
Because without some fixed nodes, the model may undergo rigid body motion. Because without some fixed nodes, [Kglobal] would be singular. Because without some fixed nodes, it would be impossibel to solve for the unknown displacements.
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