Numerical solution for buckling and vibration of bi-directional FGM circular plates

The vibrations of bi-directional circular FGM plate under uniform in-plane force are investigated on the base of Kirchhoff’s plate theory. Generalized differential quadrature method is applied to get the solution of obtained differential equation representing the equation of motion. The mechanical properties are varying in the thickness as well as in radial direction and described by a power-law. The results for different parameters have been analysed on first three frequencies. Comparison studies are performed to verify the present results.