九节点四边形等参数单元

IMECH-IR > 力学所知识产出(1956-2008)

	九节点四边形等参数单元
	吴永礼
Source Publication	航空学报
	1982
Volume	3 Issue:4 Pages:36-40
ISSN	1000-6893
Abstract	某些作者给出的数值结果表明,在单元形状不规则时,八节点和十二节点的四边形等参数单元的刚度变硬。因此,应用不规则单元所得的结果误差很大。计算结果没有由二个或四个六节点三角形组成的四边形所得的结果妤。本文表明,假使四边形单元是九节点单元,拉格朗日多项式作为插值函数,那么不规则单元所得的结果与规则单元所得的结果基本上一致。数值结果表明,九节点等参数单元比八节点、十二节点四边形等参数单元和由二个或四个六节点三角形组成的四边形单元好。
Keyword	等参数单元节点四边形单元十二节梁理论计算结果高斯积分点单元形状悬臂梁
Language	中文
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/38066
Collection	力学所知识产出(1956-2008)
Corresponding Author	吴永礼
Recommended Citation GB/T 7714	吴永礼. 九节点四边形等参数单元[J]. 航空学报,1982,3,4,:36-40.
APA	吴永礼.(1982).九节点四边形等参数单元.航空学报,3(4),36-40.
MLA	吴永礼."九节点四边形等参数单元".航空学报 3.4(1982):36-40.

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