| SURFACE INTEGRAL OF THREE－DIMENSIONAL VELOCITY FIELD FOR SQUARE BAR DRAWING THROUGH CONICAL DIE |
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| 作者姓名： | Zhao Dewen Guo Changwu Liu Xianghua |
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| 作者单位： | Zhao Dewen; Guo Changwu; Liu Xianghua(Rolling Technology and Tandem Rolling Automation National Key Lab，Northeastern University，Shenyang 110006)Fang Youkang(Institut fdr Angewandte Mathematik，Albert-Ludwigs-Universitat，BRD) |
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| 摘 要： | ＳＵＲＦＡＣＥＩＮＴＥＧＲＡＬＯＦＴＨＲＥＥ－ＤＩＭＥＮＳＩＯＮＡＬＶＥＬＯＣＩＴＹＦＩＥＬＤＦＯＲＳＱＵＡＲＥＢＡＲＤＲＡＷＩＮＧＴＨＲＯＵＧＨＣＯＮＩＣＡＬＤＩＥ￥ＺｈａｏＤｅｗｅｎ；ＧｕｏＣｈａｎｇｗｕ；ＬｉｕＸｉａｎｇｈｕａ（ＲｏｌｌｉｎｇＴ...
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SURFACE INTEGRAL OF THREE-DIMENSIONAL VELOCITY FIELD FOR SQUARE BAR DRAWING THROUGH CONICAL DIE |
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| Zhao Dewen, Guo Changwu, Liu Xianghua.SURFACE INTEGRAL OF THREE-DIMENSIONAL VELOCITY FIELD FOR SQUARE BAR DRAWING THROUGH CONICAL DIE[J].Transactions of Nonferrous Metals Society of China,1996(3). |
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| Authors: | Zhao Dewen Guo Changwu Liu Xianghua |
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| Abstract: | The kinematically admissible three-dimensional continuous velocity field of square bar drawing through a conical die was established. Its divergence has been proved to be zero. Then, the integral as a function of the upper limit and surface integral were used respectively in deformation and friction powers, and an upper beund analytical solution of the square bar drawing stress was obtained by the upper-beund theorem. |
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| Keywords: | square bar drawing three dimensional velocity field surface integral |
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