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《Automotive Engineering》 1997-02
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Numerical Method for Wrinkling Simulation of Automobile Panel Forming

Liu Yuqi, Hu Ping, Cao Ying & Li Yunxing  
In this paper, a Mindlin shell element model with large strain elastic-plastic deformation based on virtual power principle is proposed. The Coulomb friction law is introduced into moving boundary friction constraint. On the theoretical basis of Hill's bifurcated sufficiency condition on elastic plastic materials, the flange wrinkling of square pan, and the side-wall wrinkling of a basin with truncated cone shape under the deep-drawing case are successfully simulated. The wrinkling simulation results including the number, shape and location of the flange wrinkling are well coincided with experimental ones. In addition, using 3D laser solid modeling and dynamic simulation techniques, the occurring and developing of the wrinkling processes are displayed.
【Fund】: 浙江大学CAD&CG国家重点实验室、国家自然科学基金与国家教委优秀青年教师基金联合资助
【CateGory Index】: U463;TP391.7
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 XU Ji-wei1,ZHAN Zhi-hong1,CHENG Xiao-ming2 (1. Shanghai JTR Automotive Electronics Co.,Ltd.,Shanghai 200030,China; 2. School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China);Analysis of Stress Relaxation of M-shape of the Clock-spring on Steering-wheel[J];Auto Electric Parts;2008-07
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7 JIANG Dong-peng,LIU Dan(College of Environmental Science & Engineering,South west Jiaotong University,Chengdu 610031,China);Study on Double-field Coupled Model of Landfill Moisture Movement[J];Sichuan Environment;2006-03
8 Zhou Weilu Liu Baosheng;TECHNOLOGICAL SUMMARIZATION OF CALCULATING STRESS OF THE DAM OF BAO ZHU SI POWER STATION WITH THE FINITE ELEMENT METHOOD[J];Journal of Sichuan Institute of Animal Husbandry and Veterinry Medicine;2000-04
9 ZHANG Bo1,WANG Xi-ping2,LI Shu-cai1,YANG Xue-ying3, JIANG Xiao-bo4,WANG Min2,GAN Hui-ming5 (1.Geotechnical and Structural Engineering Research Center,Shandong University,Jinan 250061,China;2.School of Civil Engineering,Shandong University,Jinan 250061,China; 3.Shandong Urban Construction Vocational College,Jinan 250014,China;4.Rushan Yintan Project Management Co.,Rushan 264504,China;5.Weihai Highway Administration Bureau,Weihai 264200,China);Hybrid finite element method constrained by Lagrange multiplier in couple-stress theory[J];Journal of Shandong University(Engineering Science);2007-06
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【Co-references】
Chinese Journal Full-text Database 10 Hits
1 Ju Xiang, Pan Xufeng & Chen Sizhong;Sheet Metal Forming Analysis and Simulation for Automotive Body Panels[J];Automotive Engineering;1996-04
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7 LEI Yong gang 1, PENG Ying hong 1, RUAN Xue yu 1, ZHANG Zi gong 2 1. Dept. of Plasticity Eng., Shanghai Jiaotong Univ., Shanghai 200030, China 2.School of Mechanical Eng., Xi'an Jiaotong Univ., Xi'an 710049, China;Case Based Reasoning Based Process Planning Model of Similar Structure Dies[J];JOURNAL OF SHANGHAI JIAOTONG UNIVERSITY;2000-03
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