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Author:

Xiao, H. (Xiao, H..) | Xiao, S. (Xiao, S..) | Yue, Z.Q. (Yue, Z.Q..)

Indexed by:

EI Scopus SCIE

Abstract:

This paper develops the dual boundary element method (DBEM) using a new fundamental singular solution. This new solution is the elastic fields of transversely isotropic multilayered materials of infinite extent under point concentrated loads. The discretization technique is utilized to approximate arbitrary variations of functionally graded materials (FGMs) with transverse isotropy in a graded direction. The proposed DBEM is used to analyze the three-dimensional crack problems in FGM halfspaces. The penny-shaped and elliptical cracks are horizontally placed on the interface between the FGM layer and homogeneous halfspace and are subjected to uniform compressive stresses on crack surfaces. The stress intensity factors are provided to understand the fracture behaviors of transversely isotropic FGMs. An influential factor is defined to describe the influence of the anisotropy of the FGMs on stress intensity factors. Results show that the anisotropy and heterogeneity of materials exert an obvious influence on the fracture properties of crack problems. © 2023 Elsevier Ltd

Keyword:

Transverse isotropy Penny-shaped and elliptical cracks Stress intensity factors Functionally graded materials (FGMs) Dual boundary element method (DBEM)

Author Community:

  • [ 1 ] [Xiao H.]College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao, China
  • [ 2 ] [Xiao S.]Key Laboratory of Urban Security and Disaster Engineering of China Ministry of Education, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Yue Z.Q.]Department of Civil Engineering, The University of Hong Kong, Hong Kong

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Source :

Engineering Fracture Mechanics

ISSN: 0013-7944

Year: 2024

Volume: 295

5 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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