Development of Constitutive Model of EA4T High-Speed Train Shaft Steel Based on Internal-State-Variable Method

Yuan Ming Huo; Bao Yu Wang; Jian Guo Lin

doi:10.4028/www.scientific.net/AMM.189.31

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 189Development of Constitutive Model of EA4T...

Development of Constitutive Model of EA4T High-Speed Train Shaft Steel Based on Internal-State-Variable Method

Abstract:

The internal state variable method may be the best tool，offering researcher the model framework，certainly based on physical mechanism. A constitutive equation model framework，reported in this study， has been proposed to predict the distribution of stress of EA4T steel. The constants ，arising in this model ，are determined using an evolutionary programming (EP) optimization technique . A good agreement between the computational and experimental results was found.

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Periodical:

Applied Mechanics and Materials (Volume 189)

Pages:

31-35

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.189.31

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Online since:

July 2012

Authors:

Yuan Ming Huo, Bao Yu Wang, Jian Guo Lin

Keywords:

Constitutive Equation, EA4T Steel, Evolutionary Programming Optimization, Internal State Variable Method

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