Haar Wavelet Method for Nonlinear Vibration of Functionally Graded CNT-Reinforced Composite Beams Resting on Nonlinear Elastic Foundations in Thermal Environment

Figure 3

Nonlinear frequency ratios versus dimensionless vibration amplitude of H-H FG-CNTRC beams for different values of elastic foundation coefficients (,  = 25,  = 0.28, FG-X, and  = 300 K): (a) (); (b) (); (c) ().

(a)

(b)

(c)