Modelling of elliptical cracks in an infinite body and in a pressurized cylinder by a hybrid weight function approach

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dc.contributor.authorHachi, B.E.K.
dc.contributor.authorRechak, S.
dc.contributor.authorBelkacemi, Y.
dc.contributor.authorMaurice, G.
dc.date.accessioned2015-04-22T08:44:52Z
dc.date.available2015-04-22T08:44:52Z
dc.date.issued2005
dc.description.abstractIn this work, a hybridization technique is proposed. It consists of using two weight functions to model elliptical cracks for computation of the stress intensity factor ‘SIF’ in mode I. The idea of hybridization consists of dividing the ellipse into two zones, then to use each weight function in the area where it is more efficient. The proportion between the two zones is determined by optimization of the ellipse axis ratio. A computer code is developed for the computation of SIF. The treatment of the numerical procedures including singularities are presented in detail. The approach is tested on several applications (elliptical crack in infinite body, semi-elliptical cracks in thin and thick cylinders), to demonstrate its accuracy by minimization of the error of SIF and its correlation with respect to other researchersen_US
dc.identifier.urihttps://dspace.univ-boumerdes.dz/handle/123456789/454
dc.language.isoenen_US
dc.relation.ispartofseriesInternational Journal of Pressure Vessels and Piping/ Vol.82, N°12 (2005);pp. 917–924
dc.subjectPressurized cylinderen_US
dc.subjectStress intensity factoren_US
dc.subjectElliptical cracken_US
dc.subjectHybridizationen_US
dc.subjectWeight functionen_US
dc.titleModelling of elliptical cracks in an infinite body and in a pressurized cylinder by a hybrid weight function approachen_US
dc.typeArticleen_US

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