Analytical Solution for the Free Vibration Analysis of Delaminated Timoshenko Beams

Table 4

Effect of Poisson ratio on the fundamental frequency parameter (Ω) of I:C-F beams with central and midplane delamination (𝐿/𝐻₁=10).

𝐻2	𝑘	𝜈
		0.1	0.2	0.3	0.4	0.5
0.5	0	2.6991	2.6975	2.6961	2.6947	2.6933
	∞	2.6991	2.6975	2.6961	2.6947	2.6933
0.2	0	3.1299	3.1149	3.0933	3.0617	3.0172
	∞	3.1303	3.1153	3.0936	3.0620	3.0173