For a MDOF system, which one is needed to calculate its vibration frequencies?
A: the mass matrix [M]
B: the damping matrix [C]
C: the stiffness matrix [K]
D: the vibration modes
A: the mass matrix [M]
B: the damping matrix [C]
C: the stiffness matrix [K]
D: the vibration modes
举一反三
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