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Vibration analysis of a thermo-mechanically coupled large-scale welded wall based on an equivalent model

机译:基于等效模型的热力耦合大面积焊接墙振动分析

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摘要

A vibration analysis method of a thermo-mechanically coupled large-scale welded wall is developed considering large-displacement. Firstly, the welded wall is theoretically normalized to an orthotropic thin plate, where the equivalent geometric and material parameters are derived in the light of the stress-function approach and the deformation compatibility conditions. Secondly, the equivalent heat conduction parameters are derived according to the heat transfer equation. Based on the partial differential equation of the heat conduction and the dynamic equilibrium equation of the thin plate, a thermo-mechanically coupled dynamic model of the equivalent orthotropic thin plate is established. Finally, numerical calculations are performed to discuss the influence of the various parameters on the thermo-mechanical responses adopting the Galerkin's method and the Runge-Kutta technique.
机译:提出了一种考虑大位移的热力耦合大型焊接墙的振动分析方法。首先,将焊接墙理论上归一化为正交各向异性薄板,根据应力函数方法和变形相容性条件得出等效的几何和材料参数。其次,根据传热方程推导等效热传导参数。基于导热系数的偏微分方程和薄板的动平衡方程,建立了等效正交各向异性薄板的热力耦合动力学模型。最后,采用Galerkin方法和Runge-Kutta技术进行了数值计算,以讨论各种参数对热机械响应的影响。

著录项

  • 来源
    《Applied Mathematical Modelling》 |2017年第10期|347-360|共14页
  • 作者

    Wang L.; Dong Yu; Li Yinghui;

  • 作者单位

    Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Engineering Southwest Jiaotong University, Chengdu, China;

    Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Engineering Southwest Jiaotong University, Chengdu, China;

    Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Engineering Southwest Jiaotong University, Chengdu, 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 plate; Thermo-mechanically coupled vibration; Welded wall;

    机译:正交各向异性板热力耦合振动;焊接墙;

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