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3篇 您的检索式:作者名="LiuYuqi"
    题名 作者 年代 出处 被引量
1FAST ACCURATE PREDICTION OF BLANK SHAPE IN SHEET METAL FORMING显示文摘By using the Finite Element Inverse Approach based on the Hill quadratic anisotropically yield criterion and the quadrilateral element, a fast analyzing software-FASTAMP for the sheet metal forming is developed. The blank shapes of three typical stampings are simulated and compared with numerical results given by the AUTOFORM software and experimental results,respectively. The comparison shows that the FASTAMP can predict blank shape and strain distribution of the stamping more precisely and quickly than those given by the traditional methods and the AUTOFORM.LiuYuqi LiZhigang YahYakun 2004Acta Mechanica Solida Sinica2004,17,1:14
2QUANTITATIVE PREDICTION FOR SPRINGBACK OF UNLOADING AND TRIMMING IN SHEET METAL STAMPING FORMING显示文摘Based on the elastic-plastic large deformation finite element formulation as well as the shell element combined discrete Kirchhoff theoretical plate element (DKT) with membrane square element, deep-drawing bending springback of typical U-pattern is studied.At the same time the springback values of the drawing of patterns' unloading and trimming about the satellite aerial reflecting surface are predicted and also compared with those of the practical punch.Above two springbacks all obtain satisfactory results, which provide a kind of effective quantitative pre-prediction of springback for the practical engineers.LiuYuqi LiuJunhua HuPing LiYunxing 2003Chinese Journal of Mechanical Engineering2003,16,2:7
3MODULE DEFINITION MODEL FOR MODULAR DESIGN AND MANUFACTU-RING OF HEAVY DUTY MACHINE TOOLS显示文摘MODULEDEFINITIONMODELFORMODULARDESIGNANDMANUFACTU-RINGOFHEAVYDUTYMACHINETOOLSMODULEDEFINITIONMODELFORMODULARDESIGNANDMANUFACT...HuWeigang LiChenggang ZhongYifang YuJun ZhouJi LiuYuqi(Huazhong University of Science and Technology) 1995Chinese Journal of Mechanical Engineering1995,8,4:0
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