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Fast and accurate multi-material model for the prediction of laser welded structural response

Waseem Arif (Department of Mechanical Engineering, University of Gujrat, Gujrat, Pakistan)
Hakim Naceur (Université Polytechnique Hauts-de-France, CNRS, INSA Hauts-de-France, LAMIH UMR 8201, Valenciennes, France)
Sajjad Miran (Department of Mechanical Engineering, University of Gujrat, Gujrat, Pakistan)
Nicolas Leconte (Université Polytechnique Hauts-de-France, CNRS, INSA Hauts-de-France, LAMIH UMR 8201, Valenciennes, France)
Eric Markiewicz (Université Polytechnique Hauts-de-France, CNRS, INSA Hauts-de-France, LAMIH UMR 8201, Valenciennes, France)

Engineering Computations

ISSN: 0264-4401

Article publication date: 2 February 2021

Issue publication date: 9 July 2021

143

Abstract

Purpose

The purpose of this study is to develop an elasto-plastic multi-material shell model by which finite element analysis of laser welded joints is carried out at the interface of the heat-affected zone and base material.

Design/methodology/approach

The multi-material shell model is implemented on the simple cantilever and double cantilever welded plates to examine the efficiency of the developed model.

Findings

By reducing the computational time approximately 20 times with the developed model, the results obtained in the form of von Mises stress and equivalent plastic strain are found in good agreement as compared with the reference solid model.

Originality/value

The accurate and fast prediction of the stresses and strains in the laser welded joints, and the developed multi-material model is helpful to simulate complex industrial welded structures.

Keywords

Citation

Arif, W., Naceur, H., Miran, S., Leconte, N. and Markiewicz, E. (2021), "Fast and accurate multi-material model for the prediction of laser welded structural response", Engineering Computations, Vol. 38 No. 6, pp. 2505-2527. https://doi.org/10.1108/EC-04-2020-0205

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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