Strain Hardening Analysis Coupled to Remeshing Procedure Application to Sheet Hydroforming Processes

Slimani Faouzi; Abel Cherouat; A. Ayadi; Mohamed Ali Rezgui

doi:10.4028/www.scientific.net/AMR.418-420.1255

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 418-420Strain Hardening Analysis Coupled to Remeshing...

Strain Hardening Analysis Coupled to Remeshing Procedure Application to Sheet Hydroforming Processes

Abstract:

In this study, we present an experimental/numerical methodology which aims to improve 3D thin sheet hydroforming considering coupled constitutive equations formulated in the framework of of irreversible processes accounting for isotropic hardening as well as isotropic ductile damage. The experimental study is dedicated to the identification of stress-strain flow from the global measure of pole displacement, thickness evolution and internal pressure expansion. Or during the hydroforming processes severe mesh distortion of element occur after a few incremental steps. Hence an automatic mesh generation with remeshing capabilities is essential to carry out the FEA. The proposed technique based on geometrical criteria includes adaptive refinement and coarsening procedure is integrated in a computational environment.

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Periodical:

Advanced Materials Research (Volumes 418-420)

Pages:

1255-1258

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.418-420.1255

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Online since:

December 2011

Authors:

Slimani Faouzi, Abel Cherouat, A. Ayadi, Mohamed Ali Rezgui

Keywords:

Experimental Test, Plastic Instability, Remeshing, Sheet Hydroforming

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