A numerical analysis of cracks emanating from a surface elliptical hole in infinite body in tension

This paper deals with such a kind of surface crack problem with an approximately same depth, which is called a liked-plane crack problem. Based on the previous investigations on internal rectangular crack and surface rectangular crack in infinite solid in tension and a hybrid displacement discontinu...

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Bibliographic Details
Published in:Meccanica (Milan) Vol. 46; no. 2; pp. 263 - 278
Main Authors: Yan, Xiangqiao, Liu, Baoliang
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01.04.2011
Subjects:
Automotive Engineering
Boundary element method
Civil Engineering
Classical Mechanics
Cracks
Discontinuity
Displacement
Emission
Mathematical analysis
Mechanical Engineering
Numerical analysis
Physics
Physics and Astronomy
Surface cracks
Stress intensity factors
Boundary element
Surface crack
Displacement discontinuity
ISSN:0025-6455, 1572-9648
Online Access:Get full text
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Summary:This paper deals with such a kind of surface crack problem with an approximately same depth, which is called a liked-plane crack problem. Based on the previous investigations on internal rectangular crack and surface rectangular crack in infinite solid in tension and a hybrid displacement discontinuity method (a boundary element method) proposed recently by Yan, a numerical approach for the liked-plane crack problem in hand is presented. Numerical examples are given to illustrate the numerical approach is simple, yet accurate for calculating the SIFs of a liked-plane crack. Specifically, a pair of cracks emanating from a surface elliptical hole in infinite body in tension are investigated in detail.
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ISSN:0025-6455
1572-9648
DOI:10.1007/s11012-010-9302-3