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Line 8: == FEA eigensystems{{Technical inline\|date=September 2024\|reason='FEA' has not been defined or mentioned elsewhere in this article}} == For the most basic problem involving a linear elastic material which obeys [[Hooke's ~~Law~~law]], the [[Matrix (mathematics)\|matrix]] equations take the form of a dynamic three-dimensional spring mass system. The generalized equation of motion is given as:<ref>Clough, Ray W. and Joseph Penzien, ''Dynamics of Structures'', 2nd Ed.,

Modal analysis using FEM: Difference between revisions