Fig. 7From: Linear and non-linear vibration analysis of moderately thick isosceles triangular FGPs using a triangular finite p-elementMaterial mixtures effects on the variation of the nonlinear-to-linear fundamental frequency ratio with the volume fraction exponent for clamped FG isosceles triangular plate (|w max |/h = 1, h/b = 0.1, β = 90°)Back to article page