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A finite‐element–alternating technique for evaluating mixed mode stress intensity factors for part‐elliptical surface flaws
Author(s) -
Simon H. L.,
O'Donoghue P. E.,
Atluri S. N.
Publication year - 1987
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620240404
Subject(s) - finite element method , stress intensity factor , surface (topology) , mode (computer interface) , structural engineering , stress (linguistics) , intensity (physics) , mixed mode , materials science , mathematical analysis , mechanics , geometry , mathematics , engineering , computer science , physics , optics , composite material , linguistics , philosophy , operating system
An alternating method, in conjunction with the finite element method and an analytical solution for an elliptical flaw in an infinite solid, is used to determine the mixed mode stress intensity factors for surface flaws. This finite element alternating method leads to an inexpensive procedure for routine evaluation of accurate stress intensity factors in complex structural components containing surface flaws and subject to mixed‐mode loading. A variety of numerical examples is presented.