2012•Agricultural Equipment & Vehicle EngineeringRequires access

Finite Element Analysis of a Body Stiffness

XU Hai-gang

Abstract

Body stiffness is one of the important mechanical properties of the car. The geometry of three-dimensional model of the body-in-white is established using three-dimensional design software, the finite element model of the body-in-white is established with CAE analysis software, the theory of finite element is used to analyze the stiffness characteristics of the body-in-white-sedan at the static conditions. By analysis to its bending and torsional stiffness, the stress characteristics of the different parts of the body structure are researched, the reasonability and reliability of theoretical modeling analysis are verified.

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Key concepts: Stiffness, Finite element method, Structural engineering, Engineering, Static analysis, Bending stiffness, Stress (linguistics), Direct stiffness method