Sparse Modelling to Screen Microstructural Factors Dominantly Controlling a            Stress-strain Curve of DP Steels

Hirokawa Shogo, Taguchi Shigeki, Matsushita Yasuhiro, Adachi Yoshitaka

doi:10.2355/tetsutohagane.tetsu-2017-003

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Sparse Modelling to Screen Microstructural Factors Dominantly Controlling a Stress-strain Curve of DP Steels

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Hirokawa Shogo

Department of Mechanical Engineering, Kagoshima University
Taguchi Shigeki

Department of Mechanical Engineering, Kagoshima University
Matsushita Yasuhiro

SET Software Corporation
Adachi Yoshitaka

Department of Mechanical Engineering, Kagoshima University

Bibliographic Information

Other Title

DP鋼の応力−ひずみ曲線を支配する組織因子のスパース学習
DP鋼の応力 : ひずみ曲線を支配する組織因子のスパース学習
DPコウノオウリョク : ヒズミキョクセンオシハイスルソシキインシノスパースガクシュウ

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Abstract

<p>Screening important microstructure factors dominantly controlling a stress-strain curve of a dual phase steel was studied by three kinds of sparse modelling approach; Sensitive analysis, data transformation & variable selection, and Bayesian inference. In addition, an effect of data noise on descriptor screening in sparse modelling was also investigated.</p>

Journal

Tetsu-to-Hagane

Tetsu-to-Hagane 103 (8), 468-474, 2017

The Iron and Steel Institute of Japan

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