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Study on online control model for rolling process of strip
Author(s): DU Feng-shan, WANG Gui-guo, LI Xue-tong, ZANG Xin-liang, SUN Jing-na, GUO Hong-chen, ZENG Xiang-dong
Pages: 138-
141
Year: 2008
Issue:
1
Journal: JOURNAL OF PLASTICITY ENGINEERING
Keyword: 轧制力; 能量变分; 剪切变形;
Abstract: 为解决板带轧制高速高精度在线模型问题,文章基于能量变分原理,研究了一种快速数值算法.该法将变形区划分为有限离散单元,考虑剪切变形作用,建立了高速计算模型,在平面变形条件下实现了对轧制力的仿真.计算结果与实测值、Marc有限元计算结果有很好的吻合.通过对某厂五机架冷连轧的分析,模型可在0.3s内完成全部计算.该算法对深入研究冷热态连轧过程在线控制具有重要实际意义.
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