等参数奇异元周围的过渡单元和普通单元

IMECH-IR > 力学所知识产出(1956-2008)

	等参数奇异元周围的过渡单元和普通单元
	吴永礼; 徐纪林
Source Publication	水利学报
	1984
Issue	4 Pages:56-60
ISSN	0559-9350
Abstract	<正> 文献[1,2]证明了在等参数奇异元周围的过渡元中,应变除了具有r~(-1/2)奇异项以外,还有r~(-1)的奇异项,因此认为采用过渡元并不能提高应力强度因子的计算精度。本文证明,在等参数奇异元外面的普通梯形等参数单元中,应变同样具有r~(-1)的奇异项,但是并没有r~(-1/2)的奇异项;然后对文献[1,2]中的数值结果进行了分析。分析表明,在
Keyword	过渡元数奇过渡单元奇异项梯形 8节点文献放射状等参数单元
Language	中文
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/37584
Collection	力学所知识产出(1956-2008)
Corresponding Author	吴永礼
Recommended Citation GB/T 7714	吴永礼,徐纪林. 等参数奇异元周围的过渡单元和普通单元[J]. 水利学报,1984,4,:56-60.
APA	吴永礼,&徐纪林.(1984).等参数奇异元周围的过渡单元和普通单元.水利学报(4),56-60.
MLA	吴永礼,et al."等参数奇异元周围的过渡单元和普通单元".水利学报 .4(1984):56-60.

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