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Investigation of Mesh Sensitivity Influence to Determine Crack Characteristic by Finite Element Methods
Azimi, M
Investigation of Mesh Sensitivity Influence to Determine Crack Characteristic by Finite Element Methods
Azimi, M ; Sharif University of Technology
447
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- Type of Document: Article
- DOI: 10.1007/s11668-016-0117-y
- Publisher: Springer New York LLC
- Abstract:
- In this research, an extended finite element model has been investigated. Investigation of opening and closure stress always has been one of the difficult parameters to analysis of results; therefore, the utilization of finite element methods would be a good and logical alternative for this purpose. In addition, linear elastic fracture criteria are used for validation of numerical results from the simulation. In this work, a detailed analysis of the influence of different parameters in the results of a specific specimen with a semi-elliptical tooling groove in terms of closure and opening stress is presented, and the impact of optimum element size in fracture characteristic in various load cycles has been discussed
- Keywords:
- Fracture mechanics ; Optimum element size ; Semi-elliptical groove ; Fracture ; Fracture mechanics ; Element sizes ; Extended finite element models ; Fracture characteristics ; LEFM ; Linear elastic fracture ; Numerical results ; Semi-elliptical groove ; XFEM ; Finite element method
- Source: Journal of Failure Analysis and Prevention ; Volume 16, Issue 3 , 2016 , Pages 506-512 ; 15477029 (ISSN)
- URL: https://link.springer.com/article/10.1007/s11668-016-0117-y