Result: Large deflection analysis of flat plate using nonlinear programming theory. 3rd Report. Axisymmetric annular plates with constant thickness and with simply supported edges

The large deflection of the annular plates with simply supported boundary conditions is analyzed by the finite element method using the nonlinear programming theory. Both fixed-hinged and movable-hinged supports are taken into account, while the line loads or the uniform distributed loads are applied. The distributions of the out-of-plane and in-plane displacements and stress distributions in the radial cross section are presented for some load ratios in six cases. It is concluded that the out-of-plane displacements with movable-hinged supports were smaller than those with the fixed-hinged support, and that the shrinkages between the inner and outer edges in the radial direction were almost the same under the two simply supported boundary conditions.