Elastic fracture mechanics analysis of bi-materials using boundary element method

Bimaterial interfacial cracks in two isotropic elastic half plates that have different Young Modulus was investigated. The influence of circular hole with inclusions on the interfacial cracks tip stress intensity factor was also analysed. Tensile loadings acting on the matrix and orientated pe...

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Main Author: Yong, Owe Hong Zheng
Other Authors: Ang Hock Eng
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2022
Subjects:
Online Access:https://hdl.handle.net/10356/158970
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1589702023-03-04T20:14:16Z Elastic fracture mechanics analysis of bi-materials using boundary element method Yong, Owe Hong Zheng Ang Hock Eng School of Mechanical and Aerospace Engineering MHEANG@ntu.edu.sg Engineering::Mechanical engineering Bimaterial interfacial cracks in two isotropic elastic half plates that have different Young Modulus was investigated. The influence of circular hole with inclusions on the interfacial cracks tip stress intensity factor was also analysed. Tensile loadings acting on the matrix and orientated perpendicular to the direction of the crack length was evaluated. The multi-region boundary element method (BEM) using quadratic quarter-point crack-tip element, commonly known as Quarter Node Shift (QNS) was employed in modelling the crack. The interaction of the circular inclusion may induce propagating or shielding effects on the SIF of the crack tip, which depends on variable parameters, namely the relative elastic properties of the matrices, angular orientation of inclusion, geometry of circular inclusion, distance of the circular inclusion from the crack tip and also in the cases where the matrix are subjected to biaxial loadings. Bachelor of Engineering (Mechanical Engineering) 2022-06-08T03:32:31Z 2022-06-08T03:32:31Z 2022 Final Year Project (FYP) Yong, O. H. Z. (2022). Elastic fracture mechanics analysis of bi-materials using boundary element method. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/158970 https://hdl.handle.net/10356/158970 en B340 application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Mechanical engineering
spellingShingle Engineering::Mechanical engineering
Yong, Owe Hong Zheng
Elastic fracture mechanics analysis of bi-materials using boundary element method
description Bimaterial interfacial cracks in two isotropic elastic half plates that have different Young Modulus was investigated. The influence of circular hole with inclusions on the interfacial cracks tip stress intensity factor was also analysed. Tensile loadings acting on the matrix and orientated perpendicular to the direction of the crack length was evaluated. The multi-region boundary element method (BEM) using quadratic quarter-point crack-tip element, commonly known as Quarter Node Shift (QNS) was employed in modelling the crack. The interaction of the circular inclusion may induce propagating or shielding effects on the SIF of the crack tip, which depends on variable parameters, namely the relative elastic properties of the matrices, angular orientation of inclusion, geometry of circular inclusion, distance of the circular inclusion from the crack tip and also in the cases where the matrix are subjected to biaxial loadings.
author2 Ang Hock Eng
author_facet Ang Hock Eng
Yong, Owe Hong Zheng
format Final Year Project
author Yong, Owe Hong Zheng
author_sort Yong, Owe Hong Zheng
title Elastic fracture mechanics analysis of bi-materials using boundary element method
title_short Elastic fracture mechanics analysis of bi-materials using boundary element method
title_full Elastic fracture mechanics analysis of bi-materials using boundary element method
title_fullStr Elastic fracture mechanics analysis of bi-materials using boundary element method
title_full_unstemmed Elastic fracture mechanics analysis of bi-materials using boundary element method
title_sort elastic fracture mechanics analysis of bi-materials using boundary element method
publisher Nanyang Technological University
publishDate 2022
url https://hdl.handle.net/10356/158970
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