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Dual-Criteria Method For Determining Critical Plane Orientation For Multiaxial Fatigue Prediction Using A Genetic Algorithm

M., Kaamal and M. M., Rahman (2015) Dual-Criteria Method For Determining Critical Plane Orientation For Multiaxial Fatigue Prediction Using A Genetic Algorithm. International Journal of Automotive and Mechanical Engineering (IJAME), 11. pp. 2571-2581. ISSN 1985-9325(Print); 2180-1606 (Online)

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Abstract

This paper is an attempt to formulate an estimation method which can efficiently determine the critical plane according to the criteria under consideration. It is required to maintain greater accuracy than the incremental angle methods used conventionally in critical plane searching algorithms. The multi-criteria-based critical plane selection method is evaluated; the considered criteria include a fatigue parameter and variance of shear stress, both maximized to find the most damaging plane. The results show that the proposed model reduces the number of iterations by 90% with greater accuracy than the conventional methods and multiple candidate planes can easily be identified. Two or more criteria can easily be implemented in searching for the critical plane. The GAbased critical plane location method shows promise for fatigue life estimation as it is flexible and simple to implement.

Item Type: Article
Uncontrolled Keywords: Critical plane; multiaxial fatigue; genetic algorithm; dual criteria.
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Centre of Excellence: Automotive Engineering Centre
Centre of Excellence: Automotive Engineering Centre

Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 07 Sep 2015 08:26
Last Modified: 25 Jan 2018 01:45
URI: http://umpir.ump.edu.my/id/eprint/9879
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