Algerian Journal of Renewable Energy and Sustainable Development
Volume 2, Numéro 1, Pages 1-8
2020-06-15
The Effect Of The Size And Position Of The Crack On The Normalized Stress Intensity Factor
Authors : Mostefa Bendouba . Abdelkader Djebli . Abdelghani Baltach . Ali Benhamena . Amel Boukhlif . Abdelkrim Aid .
Abstract
In this work, finite element method was used to determinethe normalized stress intensity factors for different configurations. For this, a 2-D numerical analysis with elastic behavior was undertaken in pure I mode. This simulation was carried out using a numerical calculation code. On the basis of the numericalresults obtained from the different models treated, there is a good correlation between the nodal displacement extrapolation method (DEM) and the energy method based on the Rice integral (J) to evaluate the normalized stress intensity factors and this fordifferent crack lengths. For each configuration, the increase in the crack size causes an amplification of normalized intensity stresses fators
Keywords
Finite element method Normalized stress intensity factor Nodal displacement extrapolation method Energy method Rice integral
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