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Static and dynamic analysis of shear deformable composite shells of revolution by semi-analytical approach

机译:半分析方法革命剪切可变形复合壳的静态和动态分析

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In the present study, multi-segment numerical integration technique is applied for the static and dynamic analysis of macroscopically anisotropic shells of revolution including transverse shear deformation. Application of the multi-segment numerical integration technique is achieved through the use of finite exponential Fourier transform of the fundamental shell of revolution equations governing the static loading and free vibration of the shell of revolution. For the non-axisymmetrically loaded shells of revolution, the paper presents the numerical integration based solution process of the transformed shell variables and back transformation to obtain the physical shell variables. As a follow-up study, multi-segment numerical integration technique is extended to the solution of free vibration problem of anisotropic composite shells of revolutionwhich are wound along the semi-geodesic fiber paths counting on the preset friction used during the winding process. Sample results are obtained for truncated conical and spherical shells of revolution for which the winding angle and the thickness vary along the shell axis, and the effect of preset friction on the vibration characteristics of filament wound shells of revolution is particularly analyzed.
机译:在本研究中,应用了多段数值积分技术,用于宏观各向异性旋转旋转的静态和动态分析,包括横向剪切变形。通过使用旋转速度静力载荷和自由振动的旋转方程基本壳的有限指数傅立叶变换来实现多段数值积分技术的应用。对于非轴对称加载的旋转壳,本文介绍了基于数值集成的转换壳变量的解决方案过程和后转换,以获得物理壳变量。作为后续研究,多段数值积分技术扩展到革命各向异性复合壳的自由振动问题的溶液,其沿着绕组过程中使用的预设摩擦计数的半地射纤维路径缠绕。对于旋转的截头圆锥形和球形壳的卷绕角度和厚度沿壳轴变化,特别分析了预设摩擦对旋转椭圆形壳的振动特性的影响。

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