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Hi, is there a function that calculate the natural frequency for the system if the stiffness and mass matrices is available. Thanks

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Muna Shehan
Muna Shehan 2015-9-30
回答： KSSV 2015-9-30
Hi, is there a function that calculate the natural frequency for the system if the stiffness and mass matrices is available. Thanks

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KSSV
KSSV 2015-9-30
Natural frequency is nothing but a Eigenvalue. Here Eigenvalue of stiffness matrix and mass matrix. Go through 'eig' function. You can also extract mode shapes for the corresponding eigenvalue. I guess you are solving natural frequencies by FEM.

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