Free Vibration Analysis of Rectangular Orthotropic Membranes in Large Deflection

Table 3

𝑎=1m, 𝑏=1m, 𝜎_0𝑥=𝜎_0𝑦=5.0×10³KN/m², and 𝑇₀=0.10m.

Order	𝑚=1, 𝑛=1	𝑚=1, 𝑛=2	𝑚=2, 𝑛=1	𝑚=2, 𝑛=2	𝑚=1, 𝑛=3	𝑚=3, 𝑛=1	𝑚=3, 𝑛=3
Rad/s	344.231	745.731	865.641	1089.30	1486.92	1799.04	2308.23
Hz	54.786	118.687	137.771	173.368	236.650	286.326	367.367