Transactions of Materials and Heat Treatment

Title：Study of key problems in multi-stage deep drawing numerical simulation of ultra-thin sheet

Authors： XU Lan-gui1 WANG Zi-yong2 RUAN Feng1(1.South China University of Technology Guangzhou 510640 China 2.Jiangmen Fuhua Industrial Co. Ltd. Jiangmen 529000 China)

Unit：

KeyWords： ultra-thin sheet multi-stage drawing adaptive meshing mass scaling

ClassificationCode：TG386

year,vol(issue):pagenumber：2009,34(5):30-32

Abstract：

For the matter of mesh warping and mass enlargement in multi-stage drawing numerical simulation of ultra-thin sheet,the reasons were analyzed in view of the finite element theory and the material thickness.The key technologies used in simulation,such as element size,the angle between element normal,element thickness and mass scaling were pointed out.Through pen shell multistage drawing,it could be realized that modifying parameters of adaptive meshing could avoid mesh warping,and with the element becoming smaller it needed to adjust the mass scaling factor in order to reduce the virtual inertia force.

Funds：

广州市科技攻关资助项目(2007Z2-D9031)

Reference：

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