Fatigue Life Estimation Based On Continuum Mechanics Theory With Application Of Genetic Algorithm

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M., Kamal and M. M., Rahman (2015) Fatigue Life Estimation Based On Continuum Mechanics Theory With Application Of Genetic Algorithm. International Journal of Automotive and Mechanical Engineering (IJAME), 11 . pp. 2586-2598. ISSN 1985-9325(Print); 2180-1606 (Online)

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Official URL: http://dx.doi.org/10.15282/ijame.11.2015.45.0226

Abstract

In recent years research on fatigue estimation methods has focused on developing the capability to handle complex multiaxial loading conditions. The present study presents the development of a new fatigue life estimation model using the concepts of continuum mechanics with a critical plane based approach, where a genetic algorithm is used to estimate the coefficients of the model. Experimental fatigue lives for steel alloy C40 for in-phase and out-of-phase loading conditions are used to calibrate and analyze the accuracy of the proposed model. Finite element analysis is used to determine the experimental fatigue life of steel alloy C40 published in literature for validation purposes. The proposed model is simple to apply as it does not need to determine any new material constants or properties for the new model. Fatigue life prediction from the proposed model shows good agreement with experimental results for in-phase and outof-phase multiaxial loading.

Item Type:Article
Uncontrolled Keywords:Multiaxial fatigue; genetic algorithm; continuum mechanics; steel C40.
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Faculty of Mechanical Engineering
ID Code:9875
Deposited By: Mrs. Neng Sury Sulaiman
Deposited On:18 Aug 2015 11:05
Last Modified:09 Aug 2017 14:59

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