Reach on Impact Line of Hyperboloid Shallow Shell Surface Deflection

Abstract:

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The impact line is a remarkable disadvantage in the auto body panels forming. It is difficult to study because of the complexity shape of automotive panels. The finite element models of hyperboloid shallow shells that can represent automotive panels are established, and suitability of finite element analysis to induce the impact line of automotive panel is carried out. The experiment test method for determining impact line is presented also. The criterion and research technique of auto body panels impact line are introduced. The consistency of results of simulation and experiment shows that the numerical simulation on research of impact line is accurate and feasible. Finally, research works of simulation and experiment on controlling impact line measures are carried out: effects of blank holding force (BHF), sheet thickness and lubricating modes on the impact line are obtained.

Info:

Periodical:

Materials Science Forum (Volumes 628-629)

Edited by:

Dongming Guo, Jun Wang, Zhenyuan Jia, Renke Kang, Hang Gao, and Xuyue Wang

Pages:

511-516

DOI:

10.4028/www.scientific.net/MSF.628-629.511

Citation:

L. H. Zhao et al., "Reach on Impact Line of Hyperboloid Shallow Shell Surface Deflection", Materials Science Forum, Vols. 628-629, pp. 511-516, 2009

Online since:

August 2009

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Price:

$35.00

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