| 平面八节点四边形理性元 |
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| 引用本文： | 王永富, 钟万勰. 平面八节点四边形理性元[J]. 固体力学学报, 2002, 23(1): 109-114. doi: 10.3969/j.issn.0254-7805.2002.01.016 |
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| 作者姓名： | 王永富 钟万勰 |
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| 作者单位： | 中国科学技术大学热科学与能源工程系,合肥,230026;大连理工大学工程力学研究所,大连,116023 |
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| 摘 要： | 推导平面八节点四边形理性有限元列式,采用具有直到四次多项式的平面问题的微分方程的解作为插值函数,算例结果表明平面八节点四边形理性有限元的有效性.
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| 关 键 词： | 平面八节点理性元 插值函数 分片试验 |
| 修稿时间： | 2000-07-20 |
PLANE 8 NODES RATIONAL FINITE ELEMENT |
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| PLANE 8 NODES RATIONAL FINITE ELEMENT[J]. Chinese Journal of Solid Mechanics, 2002, 23(1): 109-114. doi: 10.3969/j.issn.0254-7805.2002.01.016 |
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| Authors: | Wang Yongfu |
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| Abstract: | This paper derived the stiffness matrices expression of a plane 8-node Rational Finite Element (RFE). The interpolation functions of the RFE is polynomials of degree 4, which is the solution of elastic theory basic equation, the superiority and high efficiency of the plane 8-node RFE as compaired with the plane 4-node with several examples. |
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| Keywords: | the plane 8-node RFE interpolation functions patch test |
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