Mathematical Problems in Engineering / 2010 / Article / Tab 3

Research Article

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

Table 3

Effect of viscoelasticity parameter on the nonlinear vibrating frequency Ω* of laminated plates (a/h=15).

αCasewmax/h
11.522.53

0Td=00.8508711.074771.350621.614941.85181
Td=10.8375621.047041.282891.463161.49701

0.5Td=00.8467441.065511.314751.568801.84306
Td=10.8387621.050611.257151.426931.49761

2Td=00.8205091.047181.281201.530751.79590
Td=10.8202291.046681.255651.428151.47021

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