Table 3 Values of the modal coefficients at different modes46.

From: Experimental and computational analysis of hybrid fiber metal laminates for vibration behavior in marine structural applications

Mode number ‘n

\(\hbox {C}_n\)

1

0.55959

2

3.5069

3

9.8194

4

19.242

5

31.809

n

\(\frac{\pi (n-0.5)^2}{2}\) for \(n>3\)