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A novel weight function for RMS stress intensity factor determination in surface cracks

โœ Scribed by A. Chahardehi; F.P. Brennan


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
272 KB
Volume
77
Category
Article
ISSN
0013-7944

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## At&r&-A finite element method with virtual crack extension technique is employed to find the weight function of the stress intensity factor for a cracked composite laminate. Since the weight function is load independent, once it is obtained, the stress intensity factor of a cracked laminate sub

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Weight functions for the two surface points of a quarter-elliptical corner crack in a finite thickness plate of infinite width are derived from a general weight function and two reference stress intensity factors. The weight functions have been validated for several linear and non-linear crack face