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薄板热力耦合的屈曲分析

李若愚 王天宏

李若愚, 王天宏. 薄板热力耦合的屈曲分析[J]. 应用数学和力学, 2020, 41(8): 877-886. doi: 10.21656/1000-0887.400308
引用本文: 李若愚, 王天宏. 薄板热力耦合的屈曲分析[J]. 应用数学和力学, 2020, 41(8): 877-886. doi: 10.21656/1000-0887.400308
LI Ruoyu, WANG Tianhong. Thermo-Mechanical Buckling Analysis of Thin Plates[J]. Applied Mathematics and Mechanics, 2020, 41(8): 877-886. doi: 10.21656/1000-0887.400308
Citation: LI Ruoyu, WANG Tianhong. Thermo-Mechanical Buckling Analysis of Thin Plates[J]. Applied Mathematics and Mechanics, 2020, 41(8): 877-886. doi: 10.21656/1000-0887.400308

薄板热力耦合的屈曲分析

doi: 10.21656/1000-0887.400308
详细信息
    作者简介:

    李若愚(1994—),男,博士生(通讯作者. E-mail: 412364086@qq.com);王天宏(1968—),男,教授,博士.

  • 中图分类号: O343.9

Thermo-Mechanical Buckling Analysis of Thin Plates

  • 摘要: 基于Rayleigh-Ritz理论,采用有限元方法,推导了薄板在热力耦合载荷作用下屈曲临界载荷的表达式.假设力载荷与热载荷同时加载,采用MATLAB编译环境编写的有限元程序求解薄板结构在热力耦合载荷作用下的屈曲临界载荷.在做屈曲分析时,热载荷以温度场的形式施加到节点上.采用非均匀温度场加载,分析力载荷分量与热载荷分量对薄板结构失稳的影响.研究结果表明随着给定温度载荷、力载荷的增加或者降低,临界载荷随之增加或者降低,它们几乎呈线性变化.
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出版历程
  • 收稿日期:  2019-10-14
  • 修回日期:  2020-01-05
  • 刊出日期:  2020-08-01

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