Analytic nonlinear three-dimension solutions were presented for axially symmetrical homogenous isotropic circular plates and multilayered plates with rigidly clamped boundary conditions and under transverse load. The ...Analytic nonlinear three-dimension solutions were presented for axially symmetrical homogenous isotropic circular plates and multilayered plates with rigidly clamped boundary conditions and under transverse load. The geometric nonlinearity from a moderately large deflection was considered. A developmental perturbation method was used to solve the complicated nonlinear three-dimension differential equations of equilibrium. The basic idea of this perturbation method is using the two-dimension solutions as a basic form of the corresponding three-dimension solutions, and then processing the perturbation procedure to obtain the three-dimension perturbation solutions. The nonlinear three-dimension results in analytic expressions and in numerical forms for ordinary plates and multilayered plates were presented. All of the plate stresses were shown in figures. The results show that this perturbation method used to analyse nonlinear three-dimension problems of plates is effective.展开更多
In this paper. an analytic method is. presented. for the research of nonlinear Three-dimensional problems of composite laminated plates. The perturbation method and the variational principle are used to satisfy the ba...In this paper. an analytic method is. presented. for the research of nonlinear Three-dimensional problems of composite laminated plates. The perturbation method and the variational principle are used to satisfy the basic differential equations and the boundary conditions of the three-dimensional theory of elasticity. The nonlinear three-dimensional problems are studied .for composite anisotropic circular laminas and laminates subjected to transverse loading. The perturbation series solutions of high accuracy are obtained. A large number of results show that transverse normal stress and transverse shear stresses are very important in the nonlinear three-dimensional analysis of laminated plates.展开更多
文摘Analytic nonlinear three-dimension solutions were presented for axially symmetrical homogenous isotropic circular plates and multilayered plates with rigidly clamped boundary conditions and under transverse load. The geometric nonlinearity from a moderately large deflection was considered. A developmental perturbation method was used to solve the complicated nonlinear three-dimension differential equations of equilibrium. The basic idea of this perturbation method is using the two-dimension solutions as a basic form of the corresponding three-dimension solutions, and then processing the perturbation procedure to obtain the three-dimension perturbation solutions. The nonlinear three-dimension results in analytic expressions and in numerical forms for ordinary plates and multilayered plates were presented. All of the plate stresses were shown in figures. The results show that this perturbation method used to analyse nonlinear three-dimension problems of plates is effective.
文摘In this paper. an analytic method is. presented. for the research of nonlinear Three-dimensional problems of composite laminated plates. The perturbation method and the variational principle are used to satisfy the basic differential equations and the boundary conditions of the three-dimensional theory of elasticity. The nonlinear three-dimensional problems are studied .for composite anisotropic circular laminas and laminates subjected to transverse loading. The perturbation series solutions of high accuracy are obtained. A large number of results show that transverse normal stress and transverse shear stresses are very important in the nonlinear three-dimensional analysis of laminated plates.