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Transient elastodynamic response of finite and infinite solid cylinders

机译:有限和无限实体圆柱的瞬态弹性动力响应

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摘要

The orthogonal eigensolutions for the vibrations of an isotropic finite solid cylinder with a traction-free lateral boundary and rigid-smooth end boundaries are provided. The transient elastodynamic response of this solid cylinder is then constructed using the method of eigenfunction expansion and further extended explicitly and concisely to that of an isotropic infinite solid cylinder. The numerically evaluated analytical solution is shown to compare favorably with that by finite element method (FEM). The effect of external forces on the excitation of each guided wave mode can be quantitatively investigated on the basis of the present solution.
机译:提供了具有无牵引力横向边界和刚性光滑端边界的各向同性有限固体圆柱体振动的正交本征解。然后,使用本征函数展开法构造该实心圆柱体的瞬态弹性动力响应,并将其明确,简明地扩展到各向同性无限实心圆柱体。数值评估的分析解决方案与有限元方法(FEM)相比具有优势。在本解决方案的基础上,可以定量地研究外力对每个导波模式的激励的影响。

著录项

  • 来源
    《Applied Acoustics》 |2012年第8期|p.798-802|共5页
  • 作者

    S.X. Liu; L.G. Tang; X.M.Xu;

  • 作者单位

    Department of Marine Technology & Engineering, Xiamen University, Xiamen 361005, China Key Laboratory of Underwater Acoustic Communication and Marine Information Technology, Ministry of Education, Xiamen University, Xiamen 361005, China;

    Department of Marine Technology & Engineering, Xiamen University, Xiamen 361005, China Key Laboratory of Underwater Acoustic Communication and Marine Information Technology, Ministry of Education, Xiamen University, Xiamen 361005, China;

    Department of Marine Technology & Engineering, Xiamen University, Xiamen 361005, China Key Laboratory of Underwater Acoustic Communication and Marine Information Technology, Ministry of Education, Xiamen University, Xiamen 361005, China;

  • 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

    elastodynamic response; solid cylinder; eigenfunction expansion;

    机译:弹性动力响应实心圆柱本征函数展开;

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