| 塑性有限元在金属轧制过程中应用的进展 |
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| 引用本文： | 刘相华.塑性有限元在金属轧制过程中应用的进展[J].金属学报,2010(9). |
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| 作者姓名： | 刘相华 |
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| 作者单位： | 东北大学研究院; |
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| 基金项目： | 国家自然科学基金项目50634030和50974039资助~~ |
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| 摘 要： | 介绍了塑性有限元在金属轧制领域中应用的发展历程和新进展,包括:刚塑性有限元理论及应用研究;弹塑性有限元在轧制过程分析中的进展;用于轧制过程建模的快速有限元;元胞自动机与有限元结合进行轧制过程多尺度综合模拟;利用晶体塑性有限元研究轧制过程中取向织构;轧制过程中裂纹和夹杂物演变的有限元模拟.最后对今后的发展趋势做了展望.
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| 关 键 词： | 塑性有限元 轧制过程 快速有限元 多尺度模拟 |
PROGRESS AND APPLICATION OF PLASTIC FINITE ELEMENT METHOD IN METALS ROLLING PROCESS |
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| LIU Xianghua Academy of Engineering,Northeastern University,Shenyang.PROGRESS AND APPLICATION OF PLASTIC FINITE ELEMENT METHOD IN METALS ROLLING PROCESS[J].Acta Metallurgica Sinica,2010(9). |
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| Authors: | LIU Xianghua Academy of Engineering Northeastern University Shenyang |
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| Affiliation: | LIU Xianghua Academy of Engineering,Northeastern University,Shenyang 110819 |
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| Abstract: | The recent progress of plastic finite element method(FEM) and its application in rolling are introduced,including:(1) progress in rigid plastic FEM theory and application.It deals with the variational principle for rigid-plastic compressible materials,the uniqueness of extreme point of total power rate functional for hot rolling problem,and the examples of solving various rolling processes;(2) elastic-plastic FEM was used to analyze the normal longitude rolling and the special rolling processes,such as wedg... |
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| Keywords: | plastic finite element method(FEM) rolling process fast FEM multi-scale simulation |
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