Abstract
We present the application of differential quadrature (DQ) method for the buckling analysis of nanobeams with exponentially varying stiffness based on four different beam theories of Euler–Bernoulli, Timoshenko, Reddy, and Levison. The formulation is based on the nonlocal elasticity theory of Eringen. New results are presented for the guided and simply supported guided boundary conditions. Numerical results are obtained to investigate the effects of the nonlocal parameter, length-to-height ratio, boundary condition, and nonuniform parameter on the critical buckling load parameter. It is observed that the critical buckling load decreases with increase in the nonlocal parameter while the critical buckling load parameter increases with increase in the length-to-height ratio.
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