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The extended
boundary element analysis of stress fields of
V-notched/cracked structures in bonded bimaterials
Cong Li, Bin Hu and Zhongrong Niu |
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Vol. 19 (2024), No. 3, 303–321
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Abstract |
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The extended boundary element method (XBEM) is employed to calculate the whole displacement and stress fields of the plane V-notched/cracked structure in a bonded bimaterial under different elastic modulus ratios. Firstly, the V-notched/cracked structure is divided into two parts, which are a small region around the notch tip and the outer region without the tip region. Then, the asymptotic series of the singular stress fields in the notch tip region are embedded with the boundary integral equation for the outer region without stress singularity. Numerical examples show the accuracy and effectiveness of the XBEM for obtaining the whole displacement and stress fields of the V-notched/cracked structure in bonded bimaterials. It is demonstrated that the notch/crack tip region of the V-notched/cracked structure in bonded bimaterials should choose reasonable eigen-pairs. |
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Keywords
V-notch/crack, bimaterial, stress fields, extended boundary
element method, elastic modulus ratio
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Milestones
Received: 11 May 2022
Revised: 22 May 2023
Accepted: 2 December 2023
Published: 27 March 2024
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Authors |
| Cong Li | |
| School of Civil Engineering Anhui Jianzhu University Hefei China |
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| Bin Hu | |
| School of Civil Engineering and
Architecture Anhui University of Science and Technology Huainan China |
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| Zhongrong Niu | |
| School of Civil Engineering Hefei University of Technology Hefei China |
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| © 2024 MSP (Mathematical Sciences Publishers). |
