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2008•Journal of Jiangsu Teachers University of TechnologyRequires access

Simulation Analysis of Vehicle Bumper Based on ANSYS/LS DYNA

Shaoyi Bei

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Abstract

This article, based on dynamic explicit fem theory, studied the bumper car collision numerical simulation by using ANSYS / LS-DYNA software.The structural transient dynamic response and the parametric time history curve of deformation, velocity, and crash force were gained, which clearly showed the deformation of the bumper the whole process of simulation, and test results were basically the same.To enhance the Structural Crashworthiness of the bumper system, the orthogonal optimal design method could be used to optimize its structure;the results were verified by the finite element numerical simulation.

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What this paper is about

This article, based on dynamic explicit fem theory, studied the bumper car collision numerical simulation by using ANSYS / LS-DYNA software.The structural transient dynamic response and the parametric time history curve of deformation, velocity, and crash force were gained, which clearly showed the deformation of the bumper the whole process of simulation, and test results were basically the same.To enhance the Structural Crashworthiness of the bumper system, the orthogonal optimal design method could be used to optimize its structure;the results were verified by the finite element numerical simulation.

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Available abstract

This article, based on dynamic explicit fem theory, studied the bumper car collision numerical simulation by using ANSYS / LS-DYNA software.The structural transient dynamic response and the parametric time history curve of deformation, velocity, and crash force were gained, which clearly showed the deformation of the bumper the whole process of simulation, and test results were basically the same.To enhance the Structural Crashworthiness of the bumper system, the orthogonal optimal design method could be used to optimize its structure;the results were verified by the finite element numerical simulation.

Key concepts: Crashworthiness, LS-DYNA, Finite element method, Structural engineering, Deformation (meteorology), Parametric statistics, Crash, Collision

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