Computation of SIFs for cracked FGMs under mechanical and thermal loadings

• Autorzy: Ait Ferhat Yazid , Boulenouar Abdelkader

Identyfikatory

DOI

10.2478/amtm-2020-0003

• Języki publikacji: EN

Abstrakty

EN

The objective of this study is to present a numerical modeling of mixed-mode fracture in isotropic functionally graded materials (FGMs), under mechanical and thermal loading conditions. In this paper, a modified displacement extrapolation technique (DET) was proposed to calculate the stress intensity factor (SIFs) for isotropic FGMs. Using the Ansys Parametric Design Language APDL, the continuous variations of the material properties are incorporated by specified parameters at the centroid of each element. Three numerical examples are presented to evaluate the accuracy of SIFs calculated by the proposed method. Comparisons have been made between the SIFs predicted by the DET and the available reference solutions in the current literature. A good agreement is obtained between the results of the DET and the reference solutions.

Słowa kluczowe

EN

functionally graded materials; stress intensity factor; displacement extrapolation; thermal loading; finite element

• Wydawca: Wydawnictwo Politechniki Poznańskiej
• Czasopismo: Archives of Mechanical Technology and Materials
• Rocznik: 2020
• Tom: Vol. 40
• Strony: 12--19
• Opis fizyczny: Bibliogr. 55 poz., rys., tab.

Twórcy

autor

Ait Ferhat Yazid

• Materials and Reactive Systems Laboratory, Mechanical Engineering Department, University of Sidi-Bel-Abbes (22000), bp. 89, city Larbi Ben Mhidi, Algeria

autor

Boulenouar Abdelkader

• Materials and Reactive Systems Laboratory, Mechanical Engineering Department, University of Sidi-Bel-Abbes (22000), bp. 89, city Larbi Ben Mhidi, Algeria

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).