Higher‐order singular isoparametric elements for crack problems
作者:
Ágnes Horváth,
期刊:
Communications in Numerical Methods in Engineering
(WILEY Available online 1994)
卷期:
Volume 10,
issue 1
页码: 73-80
ISSN:1069-8299
年代: 1994
DOI:10.1002/cnm.1640100109
出版商: John Wiley&Sons, Ltd
数据来源: WILEY
摘要:
AbstractStandard isoparametric finite elements can be used as singular crack‐tip elements in fracture mechanical computations by placing the middle nodes in the neighbourhood of the crack tip. Such elements have already been applied to several plane and three‐dimensional problems, so this method can be considered as commonly well accepted. The paper shows that singularity of orderr(1 − m)/mis obtained with annth‐order isoparametric
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