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Journal Articles Key Engineering Materials Year : 2011

Identification of the Characteristics of Hydroformed Structures Using Optimization Methods

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Abstract

In this study, we present an experimental/numerical methodology which aims to improve 3D thin sheet hydroforming. The experimental study is dedicated to the identification of stress-strain flow by using the Nelder-Mead simplex algorithm optimization from the global measure of displacement and force. Applications are made to the simulation of thin sheet hydroforming using different die geometry to show the efficiency of the proposed methodology to localize plastic instability, thinning of the blanks and damage initiation under different forming condition.
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hal-02277042 , version 1 (03-09-2019)

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Bouchaib Radi, Abel Cherouat, Laurence Giraud-Moreau, A. El Hami, Mahfoudh Ayadi. Identification of the Characteristics of Hydroformed Structures Using Optimization Methods. Key Engineering Materials, 2011, 473, pp.723-730. ⟨10.4028/www.scientific.net/KEM.473.723⟩. ⟨hal-02277042⟩
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