Nguyen, O. and Repetto, E. A. and Ortiz, M. and Radovitzky, R. A. (2001) A Cohesive model of fatigue crack growth. International Journal of Fracture, 110 (4). pp. 351-369. ISSN 0376-9429. doi:10.1023/A:1010839522926. https://resolver.caltech.edu/CaltechAUTHORS:20171212-143333386
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Abstract
We investigate the use of cohesive theories of fracture, in conjunction with the explicit resolution of the near-tip plastic fields and the enforcement of closure as a contact constraint, for the purpose of fatigue-life prediction. An important characteristic of the cohesive laws considered here is that they exhibit unloading-reloading hysteresis. This feature has the important consequence of preventing shakedown and allowing for steady crack growth. Our calculations demonstrate that the theory is capable of a unified treatment of long cracks under constant-amplitude loading, short cracks and the effect of overloads, without ad hoc corrections or tuning.
| Item Type: | Article | |||||||||
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| Additional Information: | © Kluwer Academic Publishers 2001. Received 15 December 1999; accepted in revised form 15 January 2001. Support from the Office of the Naval Research through grant N00014-96-0068 is gratefully acknowledged. We are grateful to Dr Abe Askari of The Boeing Co. for helpful suggestions and discussions. | |||||||||
| Group: | GALCIT | |||||||||
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| Subject Keywords: | Cohesive law, fatigue, finite elements, overload, short cracks | |||||||||
| Issue or Number: | 4 | |||||||||
| DOI: | 10.1023/A:1010839522926 | |||||||||
| Record Number: | CaltechAUTHORS:20171212-143333386 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20171212-143333386 | |||||||||
| Official Citation: | Nguyen, O., Repetto, E., Ortiz, M. et al. International Journal of Fracture (2001) 110: 351. https://doi.org/10.1023/A:1010839522926 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 83834 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Lydia Suarez | |||||||||
| Deposited On: | 20 Dec 2017 00:29 | |||||||||
| Last Modified: | 15 Nov 2021 20:14 |
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