Fig. 22

Effects of the parameters \(\gamma\) and \(\chi\) on dimensionless frequencies for a (SS) non-uniform (decreasing-increasing) (2D-FGM) beam with \(n_x = 3\) and \(n_y = 4\).

Effects of the parameters \(\gamma\) and \(\chi\) on dimensionless frequencies for a (SS) non-uniform (decreasing-increasing) (2D-FGM) beam with \(n_x = 3\) and \(n_y = 4\).