Volume 35, Number 1 (9-2016)                   JCME 2016, 35(1): 27-41 | Back to browse issues page



DOI: 10.18869/acadpub.jcme.35.1.27

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. Mehdizadeh A H, Mashayekhi M, Kadkhodaei M. Estimating High Cycle Fatigue Lifetime using Chaboche-Lemaitre Damage Model. JCME. 2016; 35 (1) :27-41
URL: http://jcme.iut.ac.ir/article-1-606-en.html

1- , mashayekhi@cc.iut.ac.ir
Abstract:   (777 Views)

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.

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Type of Study: Research | Subject: Special
Received: 2016/09/6 | Accepted: 2016/09/6 | Published: 2016/09/6

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