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Vibration analysis of truncated conical shells subjected to flowing fluid

机译：截锥形壳体在流动流体中的振动分析

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摘要

A method to predict the dynamic behaviour of anisotropic truncated conical shells conveying fluid is presented in this paper. It is a combination of finite element method and classical shell theory. The displacement functions are derived from exact solutions of Sanders' shell equilibrium equations of conical shells. The velocity potential, Bernoulli's equation and impermeability condition have been applied to the shell-fluid interface to obtain an explicit expression for fluid pressure which yields three forces (inertial, centrifugal, Corio-lis) of the moving fluid. To the best of the authors' knowledge, this paper reports the first comparison made between two works which deal with conical shells subjected to internal flowing fluid effects. The results obtained by this method for conical shells with various boundary condition and geometries, in vacuum, fully-filled and when subjected to flowing fluid were compared with those of other experimental and numerical investigations and good agreement was obtained.
机译：提出了一种各向异性的截断圆锥形壳体动力传输行为的预测方法。它是有限元方法和经典壳理论的结合。位移函数是从Sanders圆锥壳的壳平衡方程的精确解中得出的。将速度势，伯努利方程和不渗透条件应用于壳-流体界面，以获得流体压力的显式表达式，该表达式产生运动流体的三个力（惯性，离心力，科里奥利）。据作者所知，本文报道了在处理受到内部流动流体作用的圆锥形壳体的两部作品之间的首次比较。用这种方法对各种边界条件和几何形状的锥形壳在真空，完全填充和流动流体中的结果与其他实验和数值研究的结果进行了比较，并取得了良好的一致性。

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  • 来源
    《Applied Mathematical Modelling》 |2010年第3期|791-809|共19页
  • 作者

    Y. Kerboua; A.A. Lakis; M. Hmila;

  • 作者单位

    Section of Applied Mechanics, Mechanical Engineering Dept., Ecole Polytechnique of Montreal, C.P. 6079, Succursale Centre-ville, Montreal, Quebec, Canada, H3C 3A7;

    Section of Applied Mechanics, Mechanical Engineering Dept., Ecole Polytechnique of Montreal, C.P. 6079, Succursale Centre-ville, Montreal, Quebec, Canada, H3C 3A7;

    Section of Applied Mechanics, Mechanical Engineering Dept., Ecole Polytechnique of Montreal, C.P. 6079, Succursale Centre-ville, Montreal, Quebec, Canada, H3C 3A7;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    conical shells; vibration; finite element; fluid-structure interaction; anisotropic shells; flowing fluid;

    机译：锥形壳振动;有限元;流固耦合各向异性壳流动流体;

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