The Study on Crashworthiness Performance of Thin-Walled Structures and the Effect of Welding Performance on it

Qi Hao; Sheng Jun Wu

doi:10.4028/www.scientific.net/AMM.63-64.655

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 63-64The Study on Crashworthiness Performance of...

The Study on Crashworthiness Performance of Thin-Walled Structures and the Effect of Welding Performance on it

Abstract:

Explicit finite element method is adopted to simulate the crashworthiness performance of four types of typical thin—walled structures used in vehicle by software LS-DYNA. The structures with the same material、area and length are crash by a rigid body with 40km/h in10ms, The crash processes and crashworthiness characters are analyzed by a series crash parameters: deformation energy with unit displacement, impact force and deceleration to look for the optimal shape with crashworthiness. With comparing, the double caps section has ascendant performance than the others. The simulating methods of welded-joints are discussed to analysis their effects on crashworthiness simulation.

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Periodical:

Applied Mechanics and Materials (Volumes 63-64)

Pages:

655-658

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.63-64.655

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Online since:

June 2011

Authors:

Qi Hao, Sheng Jun Wu

Keywords:

Crash, Thin-Walled Structure, Weld Joint

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