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| APPLICATION OF PENALTY FUNCTION METHOD IN ISOPARANIETRIC HYBRID FINITE ELEMENT ANALYSIS | |
| 引用本文： | CHEN Dao-zheng（陈道政） JIAO Zhao-ping（焦兆平）. APPLICATION OF PENALTY FUNCTION METHOD IN ISOPARANIETRIC HYBRID FINITE ELEMENT ANALYSIS[J]. 应用数学和力学(英文版), 2005, 26(8): 1017-1025. DOI: 10.1007/BF02466414 |
| 作者姓名： | CHEN Dao-zheng（陈道政） JIAO Zhao-ping（焦兆平） |
| 作者单位： | [1]College of Civil and Architectural Engineering, Hefei University of Technology, Hefei 230009, P. R. China [2]Panyu Vocational Technology College, Guangzhou 511483, P. R. China |
| 摘 要： | IntroductionSince T.H.H.Pain firstly puts forward hybrid element method[1]in1964, the researchand application of hybrid element have got great development. T.H.H.Painet al.havemade important pioneer works in the domain of the research on incompatible displacementstructure hybrid elementstress pattern[2,3]in recentdecades. Reference [4] had provided theoptimizing design concept of hybrid element further and established standardization methodof incompatible displacement structure hybrid eleme… |
| 关 键 词： | 混合元素 平衡约束条件 罚函数法 有限元分析 |
| 文章编号： | 0253-4827（2005）08-1017-09 |
| 收稿时间： | 2004-04-16 |
| 修稿时间： | 2005-03-29 |
Application of penalty function method in isoparametric hybrid finite element analysis |
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| Chen Dao-zheng,Jiao Zhao-ping. Application of penalty function method in isoparametric hybrid finite element analysis[J]. Applied Mathematics and Mechanics(English Edition), 2005, 26(8): 1017-1025. DOI: 10.1007/BF02466414 | |
| Authors: | Chen Dao-zheng Jiao Zhao-ping |
| Affiliation: | (1) College of Civil and Architectural Engineering, Hefei University of Technology, 230009 Hefei, P. R. China;(2) Panyu Vocational Technology College, 511483 Guangzhou, P. R. China |
| Abstract: | By the aid of the penalty function method, the equilibrium restriction conditions were introduced to the isoparametric hybrid finite element analysis, and the concrete application course of the penalty function method in three-dimensional isoparametdc hybrid finite element was discussed. The separated penalty parameters method and the optimal hybrid element model with penalty balance were also presented. The penalty balance method can effectively refrain the parasitical stress on the premise of no additional degrees of freedom. The numeric experiment shows that the presented element not only is effective in improving greatly the numeric calculation precision of distorted grids but also has the universality. |
| Keywords: | hybrid element equilibrium restriction condition penalty function method |
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