Nonlinear Free Vibration for Viscoelastic Moderately Thick Laminated Composite Plates with Damage Evolution

Table 1

Comparison of fundamental linear frequencies of laminated elastic plates $(a/h=10)$.

Reference [23]	Reference [24]			Present
SOT	CPT	FOT	TOT	FOT
12.527	15.104	12.163	11.958	12.2233