| 杂交应力有限单元中应力模式分类的一神新方法 |
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| 引用本文： | 韩建新,冯伟.杂交应力有限单元中应力模式分类的一神新方法[J].上海大学学报(英文版),2000(Z1). |
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| 作者姓名： | 韩建新 冯伟 |
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| 作者单位： | 上海大学上海市应用数学与力学研究所!上海200072 |
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| 摘 要： | 本文利用有限单元的本征应力模式和单元构造中 Ｇ矩阵的秩分析，对杂交应力单元中的应力模式进行分类，给出了种应力模式分类的新方法，并揭示了对应十同一种单元的不同假设应力场之间的关系，进而给出了建立假设应力场的一般方法。新方法与特征值分析方法比较，具有运算量小，计算效率高的特点
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| 关 键 词： | 矩阵秩 杂交应力有限元 本征应力模式 分类 |
A New Classification Method of Stress Modes in Hybrid Stress Finite Element |
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| HANJ Jian-xin,FENG Wei.A New Classification Method of Stress Modes in Hybrid Stress Finite Element[J].Journal of Shanghai University(English Edition),2000(Z1). |
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| Authors: | HANJ Jian-xin FENG Wei |
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| Institution: | HANJ Jian-xin,FENG Wei Shanghai Institute of Applied Mathematics and Mechanics,Shanghai University Shanghai 200072,China |
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| Abstract: | The paper presents a new method for classifying the stress modes in hybrid stress finite element in terms of natural stress modes in finite element and the rank analysis of matrix G in forming element It reveals the relation among the different assumed stress field, and gives the general method in forming stress field Comparing with the method of eigenvalue analysis, the new method is more efficient |
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| Keywords: | rank of matrix hybrid stress finite element natural stress mode classification |
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