혼합체적-경계 적분방정식법을 이용한 을력확대계수 계산Calculation of stress intensity factors using the mixed volune and boundary integral equation method
- Other Titles
- Calculation of stress intensity factors using the mixed volune and boundary integral equation method
- Authors
- 이정기; 이형민
- Issue Date
- 2003
- Publisher
- 대한기계학회
- Citation
- 대한기계학회논문집 A, v.27, no.7, pp.1120 - 1131
- Journal Title
- 대한기계학회논문집 A
- Volume
- 27
- Number
- 7
- Start Page
- 1120
- End Page
- 1131
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/26098
- ISSN
- 1226-4873
- Abstract
- A recently developed numerical method based on a mixed volume and boudary integral equation method is applied to calculate the accurate stress intensity factors at the crack tips in ungounded isotropic solids in the presence of multiple anisotropic inclusions and cracks subject to external loads.firstly,it should be noted that this newly developed numerical method does not require the Green's function for anisotropic inclusions to solve this class of problems since only Green's function for the unbounded isotropic mareix is involved intheir formulation for the analysis. Secondly, this method takes full advantage of the capabilities developed in FEM and BIEM.In this paper, a detailed analysis of the stress intensity factors are carried out for an unbounded isotropic matrix containing an orthotropic cylindrical inclusion and a crack. The accuracy and effectiveness of the new method are examined through comparison with results obtained from analytical method and valume interal equation method. It is demonstrated that this new method is very accurate and effective for solving plane elastostatic problems in unbounded solids containing anisotropic inclusions and cracks.
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Collections - College of Science and Technology > Department of Mechanical and Design Engineering > 1. Journal Articles
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