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Exact solutions for free vibrations of orthotropic rectangular Mindlin plates

机译:正交各向异性矩形Mindlin板自由振动的精确解

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摘要

Exact closed-form solutions are obtained for free vibrations of orthotropic rectangular Mindlin plates by using the separation of variables method although it is difficult to solve them. The plates have two opposite edges simply supported and all possible combinations of classical boundary conditions at the other two edges. The exact solutions of orthotropic rectangular Mindlin plates are compared with those of iso-tropic ones and their differences are discussed. The exact solutions are validated through both mathematical proof and numerical comparisons with available p-Ritz solutions and the differential quadrature finite element method solutions calculated by the authors.
机译:尽管很难求解正交各向异性矩形Mindlin板的自由振动,但使用变量分离法可以获得精确的封闭形式解。这些板具有两个简单支撑的相对边缘,并且在其他两个边缘处经典边界条件的所有可能组合。比较正交各向异性矩形Mindlin板和各向同性矩形Mindlin板的精确解,并讨论它们之间的差异。通过使用可用的p-Ritz解和作者计算的差分正交有限元方法解进行数学证明和数值比较,可以验证确切的解。

著录项

  • 来源
    《Composite Structures》 |2011年第7期|p.1664-1672|共9页
  • 作者

    Bo Liu; Yufeng Xing;

  • 作者单位

    The Solid Mechanics Research Center, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;

    The Solid Mechanics Research Center, Beijing University of Aeronautics and Astronautics, Beijing 100191, 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

    orthotropic; mindlin plates; free vibration; frequency; separation of variables;

    机译:正交各向异性;Mindlin板;自由振动;频率;变量分离;

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