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Title: Calculation of stress intensity factors by the force method
Author: Morais, A.B. de
Keywords: Stress intensity factor
Finite element analysis
Force method
Issue Date: 2007
Publisher: Elsevier
Abstract: The force method is a simple and accurate technique for calculating stress intensity factors (SIFs) from finite element (FE) models, but it has been scarcely used. This paper shows three important advantages of the force method, which make it particularly attractive for designers and researchers. First, it can be employed without special singular quadratic finite elements at the crack tip. Actually, linear reduced integration elements may be used. Second, the force method can be applied to highly anisotropic materials without requiring knowledge of complicated elasticity relations for the stress field around the crack tip. Third, it can handle mixed-mode fracture problems.
Peer review: yes
DOI: 10.1016/j.engfracmech.2006.06.017
ISSN: 0013-7944
Appears in Collections:MEC - Artigos

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