Free Vibration Analysis of Rectangular Orthotropic Membranes in Large Deflection

Table 1

𝑇₀=0.1m, 𝜎_0𝑥=𝜎_0𝑦=5.0×10³KN/m², and 𝑚=𝑛=1.

M	𝑎=1,	𝑎=1,	𝑎=2,	𝑎=1,	𝑎=3,	𝑎=1,	𝑎=4,	𝑎=1,	𝑎=5,
	𝑏=1	𝑏=2	𝑏=1	𝑏=3	𝑏=1	𝑏=4	𝑏=1	𝑏=5	𝑏=1
Rad/s	344.231	273.032	249.679	245.268	237.578	260.131	233.909	258.752	232.316
Hz	54.786	43.455	39.738	39.036	37.812	41.401	37.227	41.182	36.974