OPTIMIZATION OF AUTOBODY PANEL STAMPING PROCESS BASED ON DYNAMIC EXPLICIT FINITE ELEMENT METHOD |
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| Authors: | X. G. Bao D. N. He D. Lu C. X. Li J. L. Cheng J. Y. Jiang National Mold Dies CAD Engineering Research Center Shanghai China ) Shanghai Volkswagen Automotive Company Ltd. Shanghai China) |
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| Affiliation: | X. G. Bao,D. N. He,D. Lu,C. X. Li,J. L. Cheng and J. Y. Jiang( ) National Mold and Dies CAD Engineering Research Center,Shanghai,China ) Shanghai Volkswagen Automotive Company Ltd.(SVW),Shanghai,China) |
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| Abstract: | Taking CPU time cost and analysis accuracy into account, dynamic explicit finite ele- ment method is adopted to optimize the forming process of autobody panels that often have large sizes and complex geometry. In this paper, for the sake of illustrating in detail how dynamic explicit finite element method is applied to the numerical simulation of the autobody panel forming process,an example of optimization of stamping process pain meters of an inner door panel is presented. Using dynamic explicit finite element code Ls-DYNA3D, the inner door panel has been optimized by adapting pa- rameters such as the initial blank geometry and position, blank-holder forces and the location of drawbeads, and satisfied results are obtained. |
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| Keywords: | dynamic explicit finite element method autobody panel optimization stamping process |
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