| 柴油机曲轴静动特性的三维有限元分析 |
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| 引用本文： | 冯国胜,张幽彤,张玉申. 柴油机曲轴静动特性的三维有限元分析[J]. 内燃机工程, 2003, 24(2): 74-77 |
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| 作者姓名： | 冯国胜 张幽彤 张玉申 |
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| 作者单位： | 1. 石家庄铁道学院机械工程系,石家庄,050043
2. 北京理工大学车辆工程学院 |
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| 基金项目： | 河北省科技攻关项目 ( 982 13 3 0 8D) |
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| 摘 要： | 采用有限单元法，对4190柴油机曲轴进行了符合实际情况的三维建模，研究了整体曲轴的变形和应力状态，校核了曲轴在交变载荷下的疲劳强度，探讨了目前曲轴应力有限元计算中广泛采用的单拐力学模型的可靠性，并对曲轴进行了模态分析，为柴油机改进设计提供了有价值的理论依据。
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| 关 键 词： | 内燃机 曲轴 有限元法 疲劳强度 模态 |
| 文章编号： | 1000-0925(2003)02-074-04 |
Three-Dimensional FEM Analysis of Engine Crankshaft Static and Dynamic Behaviour |
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| Feng Guoshen ,Zhang Youtong ,Zhang Yushen. Three-Dimensional FEM Analysis of Engine Crankshaft Static and Dynamic Behaviour[J]. Chinese Internal Combustion Engine Engineering, 2003, 24(2): 74-77 |
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| Authors: | Feng Guoshen Zhang Youtong Zhang Yushen |
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| Affiliation: | Feng Guoshen 1,Zhang Youtong 2,Zhang Yushen 2 |
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| Abstract: | By means of FEM, this paper set up a 3 dimentional model for model 4190 diesel engine's crankshaft corresponding to practical conditions. The distortion and stress of the crankshaft was investigated. The fatigue strength of crankshaft was verified under changing load. The reliability of single crank stress analysis method, which is in current widely used, was discussed. The model analysis was made for the crankshaft, therefore the valuable theory basis is provided for engine design improving. |
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| Keywords: | I.C.Engine Crankshaft Finite Element Method Fatigue Strength Model Analysis |
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