| 汽车发动机曲轴扭振的多体动力学分析 |
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| 引用本文： | 段秀兵,郝志勇,岳东鹏,宋宝安.汽车发动机曲轴扭振的多体动力学分析[J].汽车工程,2005,27(2):233-235,250. |
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| 作者姓名： | 段秀兵 郝志勇 岳东鹏 宋宝安 |
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| 作者单位： | 天津大学机械工程学院,天津,300072;浙江大学机械与能源学院,杭州,310027 |
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| 基金项目： | 国家自然科学基金资助项目 (5 0 175 0 78)。 |
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| 摘 要： | 采用结合有限元法(FEM)的多体系统仿真(MSS)方法对汽车发动机曲轴进行扭转振动分析。建立了包括柔性曲轴的车用发动机曲轴系统的多体动力学模型。根据多体动力学仿真计算结果，分析了曲轴的扭转振动，测量了曲轴自由端的扭转振动，与仿真计算结果吻合较好。
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| 关 键 词： | 汽车发动机 曲轴 扭振 |
Multi-body Dynamics Analysis on Torsional Vibration of Automotive Engine Crankshaft |
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| Duan Xiubing,Hao Zhiyong,Yue Dongpeng,Song Bao'an.Multi-body Dynamics Analysis on Torsional Vibration of Automotive Engine Crankshaft[J].Automotive Engineering,2005,27(2):233-235,250. |
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| Authors: | Duan Xiubing Hao Zhiyong Yue Dongpeng Song Bao'an |
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| Abstract: | By using multi-body system simulation (MSS) method, combined with fin ite element analysis (FEA), the torsional vibration of automotive engine cranksh aft is analyzed in this paper. The multi-body dynamics model for the crankshaft assembly including flexible crankshaft is established. The torsional vibration o f crankshaft is analyzed based on the results of multi-body dynamics simulation . The torsional vibration at the free-end of crankshaft was measured, which coin cides well with the simulation. |
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| Keywords: | Automotive engine Crankshaft Torsional vibration |
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