XFEM based thermo-elastic numerical analysis of FGMs with various discontinuities.

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Bibliographic Details
Title: XFEM based thermo-elastic numerical analysis of FGMs with various discontinuities.
Authors: Mishra, Kundan1 (AUTHOR) mishrakp18@gmail.com, Lal, Achchhe1 (AUTHOR), Sutaria, B.M.1 (AUTHOR)
Source: Mechanics Based Design of Structures & Machines. 2023, Vol. 51 Issue 12, p6998-7029. 32p.
Subjects: Mechanical loads, Partition of unity method, Numerical analysis, Fracture mechanics, Functionally gradient materials
Abstract: In this study, mixed-mode stress intensity factor (MMSIF) and crack growth analysis in functionally graded materials (FGMs) with discontinuities (crack, inclusion and void) are presented. The extended finite element method (XFEM) based study with the partition of unity method is utilized under thermo-mechanical loadings. The effect of mechanical and thermal loadings acting individually and combined on cracked FGM plate with other discontinuities is carried out. In mechanical loading, uniform tensile, shear, combination (tensile and shear), point, uniformly varying, and exponential loading are considered, whereas in thermal loadings, isothermal and adiabatic loadings are utilized. The objective of this present study is to find the MMSIF and crack growth analysis of FGM plate with discontinuities under different thermo-mechanical loadings, where the interaction study of discontinuities and different thermo-mechanical loadings are investigated. The present problem is modeled in MATLAB (R 2015a) environment and the results of the present model are compared with the results from the literature. [ABSTRACT FROM AUTHOR]
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Abstract:In this study, mixed-mode stress intensity factor (MMSIF) and crack growth analysis in functionally graded materials (FGMs) with discontinuities (crack, inclusion and void) are presented. The extended finite element method (XFEM) based study with the partition of unity method is utilized under thermo-mechanical loadings. The effect of mechanical and thermal loadings acting individually and combined on cracked FGM plate with other discontinuities is carried out. In mechanical loading, uniform tensile, shear, combination (tensile and shear), point, uniformly varying, and exponential loading are considered, whereas in thermal loadings, isothermal and adiabatic loadings are utilized. The objective of this present study is to find the MMSIF and crack growth analysis of FGM plate with discontinuities under different thermo-mechanical loadings, where the interaction study of discontinuities and different thermo-mechanical loadings are investigated. The present problem is modeled in MATLAB (R 2015a) environment and the results of the present model are compared with the results from the literature. [ABSTRACT FROM AUTHOR]
ISSN:15397734
DOI:10.1080/15397734.2022.2082469