期刊
COMPUTATIONAL MECHANICS
卷 39, 期 6, 页码 743-760出版社
SPRINGER
DOI: 10.1007/s00466-006-0067-4
关键词
extended element-gree Galerkin method (XEFG); cracks; cohesive models; dynamic fracture
资金
- Korea Agency for Infrastructure Technology Advancement (KAIA) [05기반구축 D04-01] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We will present a meshfree method based on the local partition of unity for cohesive cracks. The cracks are described by a jump in the displacement field for particles whose domain of influence is cut by the crack. Particles with partially cut domain of influence are enriched with branch functions. Crack propagation is governed by the material stability condition. Due to the smoothness and higher order continuity, the method is very accurate which is demonstrated for several quasi static and dynamic crack propagation examples.
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