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一种h型自适应有限单元*

徐兴 凌道盛 丁皓江 杜庆华

徐兴, 凌道盛, 丁皓江, 杜庆华. 一种h型自适应有限单元*[J]. 应用数学和力学, 1996, 17(6): 483-489.
引用本文: 徐兴, 凌道盛, 丁皓江, 杜庆华. 一种h型自适应有限单元*[J]. 应用数学和力学, 1996, 17(6): 483-489.
Xu Xing, Ling Daosheng, Ding Haojiang, Du Qinghua. An h-Type Adaptive Finite Element[J]. Applied Mathematics and Mechanics, 1996, 17(6): 483-489.
Citation: Xu Xing, Ling Daosheng, Ding Haojiang, Du Qinghua. An h-Type Adaptive Finite Element[J]. Applied Mathematics and Mechanics, 1996, 17(6): 483-489.

一种h型自适应有限单元*

基金项目: * 国家自然科学基金

An h-Type Adaptive Finite Element

  • 摘要: h型自适应有限单元在网格局部细划时。会产生非常规节点,从而破坏了一般意义上的单元连续性假定。本文利用参照节点对非常规单元进行坐标和位移插值。为保证单元之间坐标和位移的连续性,本文提出了一组修正的形函数,常用的形函数是它的一个特例。本方法应用于有限元程序时,除形函数外无须做任何改动。算例表明水文的方法具有方法简单、精度高、自由度少、计算量小等优点。
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出版历程
  • 收稿日期:  1994-11-25
  • 修回日期:  1996-01-11
  • 刊出日期:  1996-06-15

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