COMBINATION OF BFM AND FEM FOR ANALYSIS OF THE STRESS INTENSITY FACTOR OF CRACKS.

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作者：
Chen, Dai-Heng
Nisitani, Hironobu
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来源：
Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A | 1986年 / 52卷 / 484期
关键词：
ELASTICITY - MATERIALS - Crack Propagation - MATHEMATICAL TECHNIQUES - Finite Element Method - STRESSES - Analysis;
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摘要：
In this paper a combination of BFM and FEM for problems with cracks has been developed. It is found that there is always a local incompatibility of displacements or stresses on the interface of two domains in which BFM and FEM are used, respectively. The accuracy of this analysis is usually influenced by the incompatibility. Three types of equivalent nodal forces were compared. It is demonstrated that the equivalent nodal force defined as a resultant force between two middle points of adjacent boundary elements is useful.
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页码：2662 / 2667
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