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多边形应力杂交单元的接触算法研究

杨锋 郭然

杨锋, 郭然. 多边形应力杂交单元的接触算法研究[J]. 应用数学和力学, 2019, 40(10): 1059-1070. doi: 10.21656/1000-0887.400046
引用本文: 杨锋, 郭然. 多边形应力杂交单元的接触算法研究[J]. 应用数学和力学, 2019, 40(10): 1059-1070. doi: 10.21656/1000-0887.400046
YANG Feng, GUO Ran. Study on Contact Algorithms for the Polygonal Hybrid Stress Element Method[J]. Applied Mathematics and Mechanics, 2019, 40(10): 1059-1070. doi: 10.21656/1000-0887.400046
Citation: YANG Feng, GUO Ran. Study on Contact Algorithms for the Polygonal Hybrid Stress Element Method[J]. Applied Mathematics and Mechanics, 2019, 40(10): 1059-1070. doi: 10.21656/1000-0887.400046

多边形应力杂交单元的接触算法研究

doi: 10.21656/1000-0887.400046
基金项目: 国家自然科学基金(11572142)
详细信息
    作者简介:

    杨锋(1994—),男,硕士(E-mail: yangfeng329@163.com);郭然(1968—),男,教授,博士,博士生导师(通讯作者. E-mail: prof.guo@189.cn).

  • 中图分类号: O343.3

Study on Contact Algorithms for the Polygonal Hybrid Stress Element Method

Funds: The National Natural Science Foundation of China(11572142)
  • 摘要: 针对单元较小的情况下,现有的非均匀模型难以得到精确应力场和应力集中现象的问题,采用直接约束法,提出了一种基于多边形应力杂交单元的优化接触算法.多边形应力杂交单元在应力函数的构造以及积分区域划分上的优势,使其能适应复杂的模型边界与材料边界,更易划分网格.根据上述理论研究成果编制了完整的计算程序,算例结果发现该方法能够得到粉末压制过程的宏观非线性力学响应、高精度的应力场以及明显的应力集中现象,为复杂优化问题的求解提供了有效手段.
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出版历程
  • 收稿日期:  2019-01-25
  • 修回日期:  2019-03-08
  • 刊出日期:  2019-10-01

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