Analysis of Bi-material interfacial crack with hole inclusion using boundary element method
A circular hole inclusion between the two materials is analysed, as is the association between a nearby interfacial crack between two dissimilar isotropic elastic half plates. Only tensile load acting on the matrix and perpendicular to the crack axis is taken into account. For a number of elastic co...
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Nanyang Technological University
2021
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sg-ntu-dr.10356-1504492021-05-28T03:04:00Z Analysis of Bi-material interfacial crack with hole inclusion using boundary element method Goh, James Yan Cheng Ang Hock Eng School of Mechanical and Aerospace Engineering MHEANG@ntu.edu.sg Engineering::Mechanical engineering A circular hole inclusion between the two materials is analysed, as is the association between a nearby interfacial crack between two dissimilar isotropic elastic half plates. Only tensile load acting on the matrix and perpendicular to the crack axis is taken into account. For a number of elastic combinations of the two step model, stress intensity factors are identified. The current method uses Quadratic quarter-point crack-tip element otherwise known as Quarter Node Shift (QNS) and is based upon its multi-region boundary element method (BEM). Depending on the relevant position of the hole inclusion, the crack length, and the relative elastic properties of the matrices, the interaction may have substantial shielding or strengthening effects on the stress intensity factor of the crack-tip. Bachelor of Engineering (Mechanical Engineering) 2021-05-28T03:04:00Z 2021-05-28T03:04:00Z 2021 Final Year Project (FYP) Goh, J. Y. C. (2021). Analysis of Bi-material interfacial crack with hole inclusion using boundary element method. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/150449 https://hdl.handle.net/10356/150449 en application/pdf Nanyang Technological University |
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NTU Library |
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Asia |
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Singapore Singapore |
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Engineering::Mechanical engineering |
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Engineering::Mechanical engineering Goh, James Yan Cheng Analysis of Bi-material interfacial crack with hole inclusion using boundary element method |
| description |
A circular hole inclusion between the two materials is analysed, as is the association between a nearby interfacial crack between two dissimilar isotropic elastic half plates. Only tensile load acting on the matrix and perpendicular to the crack axis is taken into account. For a number of elastic combinations of the two step model, stress intensity factors are identified. The current method uses Quadratic quarter-point crack-tip element otherwise known as Quarter Node Shift (QNS) and is based upon its multi-region boundary element method (BEM). Depending on the relevant position of the hole inclusion, the crack length, and the relative elastic properties of the matrices, the interaction may have substantial shielding or strengthening effects on the stress intensity factor of the crack-tip. |
| author2 |
Ang Hock Eng |
| author_facet |
Ang Hock Eng Goh, James Yan Cheng |
| format |
Final Year Project |
| author |
Goh, James Yan Cheng |
| author_sort |
Goh, James Yan Cheng |
| title |
Analysis of Bi-material interfacial crack with hole inclusion using boundary element method |
| title_short |
Analysis of Bi-material interfacial crack with hole inclusion using boundary element method |
| title_full |
Analysis of Bi-material interfacial crack with hole inclusion using boundary element method |
| title_fullStr |
Analysis of Bi-material interfacial crack with hole inclusion using boundary element method |
| title_full_unstemmed |
Analysis of Bi-material interfacial crack with hole inclusion using boundary element method |
| title_sort |
analysis of bi-material interfacial crack with hole inclusion using boundary element method |
| publisher |
Nanyang Technological University |
| publishDate |
2021 |
| url |
https://hdl.handle.net/10356/150449 |
| _version_ |
1701270614137896960 |