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首页> 美国政府科技报告 >Buckling of Circular Cylindrical Shells Subjected to Combined Loads (AxialCompression, Normal Pressure, Bending and Transverse Shear Loading)
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Buckling of Circular Cylindrical Shells Subjected to Combined Loads (AxialCompression, Normal Pressure, Bending and Transverse Shear Loading)

机译：圆形壳体在组合荷载作用下的屈曲（轴向压缩，常压，弯曲和横向剪切载荷）

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The paper deals with the buckling behavior of anisotropic or isotropic stiffenedcylindrical shells subjected to combined loading defined in the title. A rigorous satisfaction of the boundary conditions at the ends of the cylinder was included. The analysis is started with the formulation of the buckling equations for anisotropic stiffened cylinders under the specified loading condition. In this stage of analysis, membrane condition of prebuckling stresses in the cylinder is assumed. Further, to solve the buckling equations, solution functions in terms of the independent displacement variables u, v and w are introduced. In order to satisfy the homogeneous boundary conditions, the axial dependence of the displacement variables is assumed to be an unknown function of the axial coordinate. In the circumferential direction, Fourier series expansions will be applied. By using the Galerkin process and a finite difference approximation, the buckling equations will be reduced to a standard eigenvalue problem. For calculating the eigenvalues and the corresponding mode shapes, the requisite software is developed.

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