计算应力强度因子的奇异等参单元

IMECH-IR > 力学所知识产出(1956-2008)

	计算应力强度因子的奇异等参单元
	徐纪林; 吴永礼
Source Publication	固体力学学报
	1983
Issue	2 Pages:258-263
ISSN	0254-7805
Abstract	<正> 用有限单元法计算裂纹顶端应力强度因子,来反映顶端应力的奇异性,导致于裂纹顶端特殊单元的应用发展很快。当反映裂纹顶端应力奇异性的奇异元与外围普通元混合运用时,奇异元有一最佳尺寸。对于不同的问题,最佳的单元尺寸也不同,这就是说,裂纹顶端单元的尺寸对计算结果有明显影响。如果裂纹顶端单元太大则计算误差大;如
Keyword	计算结果应力强度因子八节点等参单元中心裂纹有限单元法奇异元应力奇异性三点弯曲试件顶端
Language	中文
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/37726
Collection	力学所知识产出(1956-2008)
Corresponding Author	徐纪林
Recommended Citation GB/T 7714	徐纪林,吴永礼. 计算应力强度因子的奇异等参单元[J]. 固体力学学报,1983,2,:258-263.
APA	徐纪林,&吴永礼.(1983).计算应力强度因子的奇异等参单元.固体力学学报(2),258-263.
MLA	徐纪林,et al."计算应力强度因子的奇异等参单元".固体力学学报 .2(1983):258-263.

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