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首页> 外文期刊>Acta Mechanica Solida Sinica >DYNAMIC BUCKLING OF STATICALLY PRELOADED RING-STIFFENED CYLINDRICAL SHELLS UNDER AXIAL FLUID-SOLID IMPACT LOADING
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DYNAMIC BUCKLING OF STATICALLY PRELOADED RING-STIFFENED CYLINDRICAL SHELLS UNDER AXIAL FLUID-SOLID IMPACT LOADING

机译:轴向固液冲击载荷作用下静力预加载环加筋圆柱壳的动态屈曲

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摘要

The Initial Imperfection Amplified Criterion is applied to investigate the geometric nonlinear dynamic buckling of statically preloaded ring-stiffened cylindrical shells under axial fluid-solid impact. Tak- ing account of the effects of large deformation and initial geometric imperfection, the governing equations are obtained by the Galerkin method and solved by the Runge-Kutta method. The effects of static preloading (uniform external radial pressure) on the buckling features and the load-carrying ability of ring-stiffened cy- lindrical shells against axial impact are discussed.
机译:应用“初始缺陷放大准则”来研究静力预加载的环形加筋圆柱壳在轴向流固耦合作用下的几何非线性动力屈曲。考虑到大变形和初始几何缺陷的影响,控制方程由Galerkin方法获得,并由Runge-Kutta方法求解。讨论了静态预紧力(均匀的外部径向压力)对环肋圆柱壳的屈曲特征和承受轴向冲击能力的影响。

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