Estimating High Cycle Fatigue Lifetime using Chaboche-Lemaitre Damage Model
| Autor: | A. H . Mehdizadeh, M. Mashayekhi, M. Kadkhodaei |
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| Jazyk: | perština |
| Rok vydání: | 2016 |
| Předmět: | |
| Zdroj: | Ravish/hā-yi ̒adadī dar Muhandisī, Vol 35, Iss 1, Pp 27-41 (2016) |
| Druh dokumentu: | article |
| ISSN: | 2228-7698 2423-5741 |
| Popis: | This article predicts lifetime of high cycle fatigue loading using Chaboche-Lemaitre damage model. The Chaboche-Lemaitre damage model takes into account mean stress effect as well as compressive stresses effect, making crack to close. In the this paper, a numerical algorithm is offered to integrate this model implicitly and the obtained algorithm is implemented as a user material subroutine of the ABAQUS finite element software. To reduce computation time, Jump-in-Cycles procedure is used based on fatigue loading simulation. To verify the proposed algorithm, a V-notched specimen is chosen under a fatigue loading with different stress ratios, and its lifetime is compared with experiments. Next, an aviation industry part, main rotor spindle of an aircraft blades, subjected to a variable fatigue loading is analysed. |
| Databáze: | Directory of Open Access Journals |
| Externí odkaz: |
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