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Table 2 Convergence of the first three linear frequency parameters for clamped metallic isosceles triangular plate (β = 90°)

From: Linear and non-linear vibration analysis of moderately thick isosceles triangular FGPs using a triangular finite p-element

h/b

Mode

p

6

7

8

9

10

11

0.05

Ω1

166.3

164.6

164.4

164.3

164.3

164.3

Ω2

277.2

265.7

261.9

261.1

260.9

260.9

Ω3

330.4

321.2

316.3

314.3

313.8

313.7

0.1

Ω1

128.2

127.9

127.9

127.9

127.9

127.9

Ω2

195.1

191.2

190.5

190.2

190.2

190.2

Ω3

227.9

225.0

223.6

223.3

223.2

223.2

0.15

Ω1

100.3

100.2

100.2

100.2

100.2

100.2

Ω2

146.1

144.3

144.1

144.0

144.0

144.0

Ω3

168.7

167.4

166.8

166.7

166.7

166.7