The influence of variations of geometrical parameters on the notching stress intensity factors of cylindrical shells

• Autorzy: Moustabchir H. , Hamdi Alaoui M. A. , Babaoui A. , Dearn K. D. , Pruncu C. I. , Azari Z.

Identyfikatory

DOI

10.15632/jtam-pl.55.2.559

• Języki publikacji: EN

Abstrakty

EN

The modern approach of Virtual Engineering allows one to detect with some accuracy the residual life of components especially free of cracks. The life estimation becomes cumbersome when the components contain a crack. A straightforward formulation requires a parameter that considers geometrical constraints and materials properties. The magnitude of the stress singularity developed by the tip of a crack, needs to be expressed by the Stress Intensity Factors (SIF). In order to prove the validity of the results, calibration by experimental and/or analytical technique is required. To have a better understanding of this parameter, in the first part of this paper an analytical model to compute the SIF connected to crack propagation into Mode I has been implemented. The case study displays a pipeline component with a crack defect submitted to internal pressure. Therefore, an appropriate correlation between the analytical approach and numerical simulation has been established embedded.

Słowa kluczowe

EN

crack; finite element (FE); internal pressure; Stress Intensity Factors (SIF)

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2017
• Tom: Vol. 55 nr 2
• Strony: 559—569
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Moustabchir H.

• Équipe Science et Ingénierie des Matériaux (ESIM), Département de Physique Faculté des Sciences et Techniques Errachidia, Université My Ismaıl, Boutalamine, Errachidia, Morocco

autor

Hamdi Alaoui M. A.

• Équipe Science et Ingénierie des Matériaux (ESIM), Département de Physique Faculté des Sciences et Techniques Errachidia, Université My Ismaıl, Boutalamine, Errachidia, Morocco

autor

Babaoui A.

• Équipe Science et Ingénierie des Matériaux (ESIM), Département de Physique Faculté des Sciences et Techniques Errachidia, Université My Ismaıl, Boutalamine, Errachidia, Morocco

autor

Dearn K. D.

• School of Mechanical Engineering, University of Birmingham, United Kingdom

autor

Pruncu C. I.

• School of Mechanical Engineering, University of Birmingham, United Kingdom

autor

Azari Z.

• LaBPS, Ecole Nationale d’Ingénieurs de Metz, Ile du Saulcy, Metz, France

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)