| LS-DYNA在挤压工艺数值模拟中的应用 |
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| 引用本文： | 严恺,刘汉武,杜云慧,张鹏.LS-DYNA在挤压工艺数值模拟中的应用[J].模具工业,2009,35(5):23-27. |
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| 作者姓名： | 严恺 刘汉武 杜云慧 张鹏 |
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| 作者单位： | 北京交通大学机械与电子控制工程学院,北京,100044 |
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| 摘 要： | 采用LS-DYNA软件,利用Lagrange和自适应网格算法对金属的正挤压、反挤压和复合挤压进行了数值模拟。根据对内燃机气缸螺栓保护螺母复合温挤压的模拟结果,指导设计模具,并通过螺母挤压生产验证,提高了生产效率。
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| 关 键 词： | 数值模拟 自适应网格 螺母 挤压 |
Applying LS-DYNA to extrusion process simulation |
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| YAN Kai,LIU Han-wu,DU Yun-hui,ZHANG Peng.Applying LS-DYNA to extrusion process simulation[J].Die & Mould Industry,2009,35(5):23-27. |
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| Authors: | YAN Kai LIU Han-wu DU Yun-hui ZHANG Peng |
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| Affiliation: | School of Mechanical;Electronic and Control Engineering;Beijing Jiaotong University;Beijing 100044;China |
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| Abstract: | LS-DYNA software,Lagrange and adaptive grid algorithm were applied to simulate metal extrusion processes,including the forward extrusion,backward extrusion and combined extrusion.An extrusion die was developed according to the simulation result of a combined warm extrusion process for a nut for bolt-protection in an engine cylinder;and application shows the production efficiency to be increased. |
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| Keywords: | numerical simulation adaptive grid technique nut extrusion |
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