Accurate buckling solutions of grid-stiffened functionally graded cylindrical shells under compressive and thermal loads
作者： Jiabin Sun , C.W. Lim , Xinsheng Xu , He Mao
DOI: 10.1016/J.COMPOSITESB.2015.11.020
关键词:
摘要: Abstract Buckling behaviors of shear deformable grid-stiffened functionally graded cylindrical shells are investigated under the combined compressive and thermal loads. The governing equations established on basis Reddy's higher-order deformation theory. For perfect shells, separation variables is employed to obtain accurate buckling solutions. Then, according derived mode functions, Galerkin's solving procedure conducted for including initial geometric imperfection. effects parameters, properties FGMs temperature fields anti-buckling performances concerned clamped boundary condition. Besides, imperfection sensitivities various reinforced grids discussed in detail.
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