CONVERGENCE STUDY OF BOUNDARY ELEMENT METHOD FOR REISSNER PLATE WITH MATERIAL NONLINEARITY
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In this paper, a convergence study of shear deformable plates with material nonlinearity is presented. The reasons behind this study are due to some contribution made in this work. The material is assumed to undergo small strains. The von Mises criterion is used to evaluate the plastic zone and elastic perfectly plastic material behaviour is assumed. An initial stress formulation is used to formulate the boundary integral equations. The domain integral due to material nonlinearity is evaluated using a cell discretization technique and a total incremental method is implemented to solve the nonlinear system of equation.