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Table 3 Comparison of the first three linear frequency parameters for clamped metallic isosceles triangular plate

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

h/b Mode β
30° 60° 90°
Present Liew et al. (1998) Present Liew et al. (1998) Present Liew et al. (1998)
0.05 Ω1 51.55 51.55 91.86 91.86 164.3 164.4
Ω2 80.60 80.61 167.5 167.5 260.9 260.9
Ω3 109.5 109.5 167.5 167.5 313.7 313.7
0.1 Ω1 46.35 46.35 77.76 77.79 127.9 127.9
Ω2 69.82 69.81 132.3 132.3 190.2 190.3
Ω3 92.16 92.17 132.3 132.3 223.1 223.2
0.15 Ω1 40.55 40.55 64.58 64.59 100.2 100.2
Ω2 59.07 59.07 104.7 104.7 143.0 144.0
Ω3 76.12 76.15 104.7 104.7 166.7 166.7