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首页> 外文期刊>Journal of Heat Transfer >A Novel Method for Transient Heat Conduction in a Quasi-Periodic Structure With Nonlinear Defects
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A Novel Method for Transient Heat Conduction in a Quasi-Periodic Structure With Nonlinear Defects

机译：一种具有非线性缺陷的准周期结构瞬态热传导的新方法

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摘要

This paper proposes an efficient numerical method for transient heat conduction in a quasi-periodic structure with nonlinear defects. According to the physical features of transient heat conduction, a quasi-superposition principle for transient heat conduction in a quasi-periodic structure with nonlinear defects is presented, and then a new method is developed to separate the above nonlinear problem to be solved into a linear problem of a perfect periodic structure and nonlinear problems of some small-scale structures with defects. As the scale of nonlinear problem to be solved is significantly reduced and low computational resource is required, outstanding efficiency is achieved. Finally, a numerical example shows that the proposed method is effective and accurate.
机译：本文提出了一种具有非线性缺陷的准周期性结构中的瞬态热传导的有效数值方法。根据瞬态导热的物理特征，提出了一种具有非线性缺陷的准周期性结构中的瞬态热传导的准叠加原理，然后开发了一种新方法以将上述非线性问题分离成线性一些具有缺陷的小型结构的完美周期结构和非线性问题的问题。随着要解决的非线性问题的规模显着降低，需要低计算资源，实现了出色的效率。最后，数值示例表明该方法是有效和准确的。

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  • 来源
    《Journal of Heat Transfer》 |2020年第12期|124502.1-124502.8|共8页
  • 作者

    Haichao Cui; Qiang Gao; Xiaolan Li; Huajiang Ouyang;

  • 作者单位

    State Key Laboratory of Structural Analysis for Industrial Equipment International Center for Computational Mechanics Department of Engineering Mechanics Faculty of Vehicle Engineering and Mechanics Dalian University of Technology Dalian 116023 China;

    State Key Laboratory of Structural Analysis for Industrial Equipment International Center for Computational Mechanics Department of Engineering Mechanics Faculty of Vehicle Engineering and Mechanics Dalian University of Technology Dalian 116023 China;

    State Key Laboratory of Structural Analysis for Industrial Equipment International Center for Computational Mechanics Department of Engineering Mechanics Faculty of Vehicle Engineering and Mechanics Dalian University of Technology Dalian 116023 China;

    School of Engineering University of Liverpool The Quadrangle Liverpool L69 3GH UK;

  • 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

    quasi-periodic structure; nonlinear transient heat conduction; finite element method; quasi-superposition principle;

    机译：准周期性结构;非线性瞬态导热;有限元法;准叠加原则;

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