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Journal Articles Applied Mechanics and Materials Year : 2011

Optimization and Identification of the Characteristics of an Hydroformed Structures

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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-02284814 , version 1 (12-09-2019)

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Mahfoudh Ayadi, Abel Cherouat, Bouchaib Radi, Elhami Abdelkhalek. Optimization and Identification of the Characteristics of an Hydroformed Structures. Applied Mechanics and Materials, 2011, 62, pp.11-20. ⟨10.4028/www.scientific.net/AMM.62.11⟩. ⟨hal-02284814⟩
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