The free vibrations equation after Finite Element discretization of a – McqOptions

MCQOPTIONS

1.	The free vibrations equation after Finite Element discretization of a structure is expressed as Mẍ+Kx=0. Which option is not correct about the free vibration case?
A.	Displacements are harmonic
B.	x=Xeiωt where X is amplitude
C.	[K-ω2M]X=0
D.	KX=Mω2
Answer» E.

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