A 3-D Dual BEM formulation for the analysis of crack growth

被引：0
|
作者：
A. J. Wilde
M. H. Aliabadi
机构：
[1] GEC-Marconi,
[2] Surrey,undefined
[3] GU16 SPE,undefined
[4] UK,undefined
[5] Department of Engineering,undefined
[6] Queen Mary College,undefined
[7] University of London,undefined
[8] Mile End,undefined
[9] London E1 4NS,undefined
[10] UK,undefined
来源：
Computational Mechanics | 1999年 / 23卷
关键词：
Crack Surface; Growth Direction; Continuity Condition; Crack Extension; Energy Criterion;
D O I：
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中图分类号：
学科分类号：
摘要：
In this paper, a DBEM formulation for the analysis of crack growth in three dimensions is demonstrated. The technique allows the use of continuous elements in the discretization of the crack surfaces. The method involves defining a new interpolation function for continuous elements which incorporate certain continuity conditions arising from the hypersingular nature of the integrals involved. The crack growth direction is determined using the minimum strain energy criterion and the crack extension is calculated via the Paris equation. Results from the growth of embedded and edge crack examples are shown to validate the technique.
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页码：250 / 257
页数：7
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