The Application on Initial Design of Auto Panel Based on One-Step FEM

Zhao Hu Deng; Yu Ping Huang; Yan Qin Zhang; Feng Ruan

doi:10.4028/www.scientific.net/MSF.575-578.237

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Researches on Rules of the Longitudinal Residual Stress Distribution in Straightening Deformation Zone of Heavy Rail with Multi-Rollers
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The Application on Initial Design of Auto Panel Based on One-Step FEM
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HomeMaterials Science ForumMaterials Science Forum Vols. 575-578The Application on Initial Design of Auto Panel...

The Application on Initial Design of Auto Panel Based on One-Step FEM

Abstract:

At the early stage of product design, the information about mould, blank and boundary condition are not definite. It is difficult to calculate with incremental method. For solving this problem, one-step finite element method(FEM) was put forward in recent years. It starts from product shape, takes it as the middle plane of formed part, disperses it and determines the location of nodes in initial blank at certain boundary conditions with finite element method. Then the corresponding blank shape can be obtained by one-step FEM. In this paper it is discussed that the basic theory of one-step FEM and the research of the key technology. And it is simulated the pressing of auto panel with one-step FEM. It is put forward that the final part should consider the effect of the technology. Through comparing one-step FEM with incremental method, it is showed that one-step FEM could calculate rapidly and had some credibility. It was suitable to evaluate the formability at the early stage of product design.