期刊
SHOCK AND VIBRATION
卷 12, 期 1, 页码 9-23出版社
HINDAWI LTD
DOI: 10.1155/2005/729090
关键词
extended finite element method; level sets; growing cracks; dynamic fracture
A method for modelling arbitrary growth of dynamic cracks without remeshing is presented. The method is based on a local partition of unity. It is combined with level sets, so that the discontinuities can be represented entirely in terms of nodal data. This leads to a simple method with clean data structures that can easily be incorporated in general purpose software. Results for a mixed-mode dynamic fracture problem are given to demonstrate the method.
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