A New Efficient Modified First-Order Shear Model for Static Bending and Vibration Behaviors of Two-Layer Composite Plate

Table 10

Influence of ratio on nondimensional fundamental frequency of the square plate with and .

	Boundary
	SSSS	CCCC	CSCS	CCSS
1.0	1.3505	2.4421	1.9700	1.8434
1.2	1.2757	2.3022	1.8582	1.7396
1.4	1.2231	2.2024	1.7789	1.6661
1.6	1.1872	2.1332	1.7241	1.6156
1.8	1.1641	2.0873	1.6880	1.5825
2.0	1.1506	2.0591	1.6662	1.5627
2.2	1.1445	2.0445	1.6552	1.5530
2.4	1.1439	2.0403	1.6526	1.5511
2.6	1.1476	2.0439	1.6562	1.5550
2.8	1.1544	2.0535	1.6646	1.5633
3.0	1.1635	2.0676	1.6765	1.5749
3.2	1.1744	2.0850	1.6911	1.5889
3.4	1.1866	2.1049	1.7077	1.6048
3.6	1.1997	2.1266	1.7256	1.6219
3.8	1.2133	2.1496	1.7446	1.6399
4.0	1.2274	2.1734	1.7642	1.6585