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2008•Machinery Design and ManufactureRequires access

Crashworthiness analysis of a simple-structured bumper

LI Yin-shuai

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Abstract

Finite element method(FEM) has been widely used in vehicle structure design, the frontal rigid-wall crashworthiness of a simple-structured bumper is analyzed by the nonlinear FEM software LS-DYNA,and an important conclusion is reached;Meanwhile,analyses based on the crash law are also launched,including some changes of the structure;Finally the bumper's weight is reduced while in accordance with the crash law.

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What this paper is about

Finite element method(FEM) has been widely used in vehicle structure design, the frontal rigid-wall crashworthiness of a simple-structured bumper is analyzed by the nonlinear FEM software LS-DYNA,and an important conclusion is reached;Meanwhile,analyses based on the crash law are also launched,including some changes of the structure;Finally the bumper's weight is reduced while in accordance with the crash law.

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Available abstract

Finite element method(FEM) has been widely used in vehicle structure design, the frontal rigid-wall crashworthiness of a simple-structured bumper is analyzed by the nonlinear FEM software LS-DYNA,and an important conclusion is reached;Meanwhile,analyses based on the crash law are also launched,including some changes of the structure;Finally the bumper's weight is reduced while in accordance with the crash law.

Key concepts: Crashworthiness, Finite element method, Crash, Structural engineering, Engineering, Simple (philosophy), LS-DYNA, Software

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