| 面向对象的发动机曲柄连杆机构动力学仿真 |
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| 引用本文： | 杜爱民,梁昆. 面向对象的发动机曲柄连杆机构动力学仿真[J]. 同济大学学报(自然科学版), 2010, 38(5): 730-735. DOI: 10.3969/j.issn.0253-374x.2010.05.018 |
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| 作者姓名： | 杜爱民 梁昆 |
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| 作者单位： | 同济大学,汽车学院,上海,201804 |
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| 摘 要： | 基于面向对象的多物理领域联合仿真平台SimulationX,建立了发动机工作过程和曲柄连杆机构的统一物理模型,该模型实现了发动机一维燃烧和运动机构三维动力学联合仿真.通过对某型号发动机曲柄连杆机构的多刚体系统动力学仿真分析,得到了相关载荷参数,为后续发动机的热力学和结构动力学分析提供了边界条件,也为发动机数字化的虚拟设计和仿真分析提供了依据.
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| 关 键 词： | 面向对象 曲柄连杆机构 工作过程 多体动力学 仿真 |
| 收稿时间： | 2009-03-16 |
| 修稿时间： | 2010-04-12 |
Object oriented Dynamical Simulation on Crank and Connection Mechanism of Engine |
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| DU Aimin and LIANG Kun. Object oriented Dynamical Simulation on Crank and Connection Mechanism of Engine[J]. Journal of Tongji University(Natural Science), 2010, 38(5): 730-735. DOI: 10.3969/j.issn.0253-374x.2010.05.018 |
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| Authors: | DU Aimin and LIANG Kun |
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| Affiliation: | College of Automotive Studies, Tongji University, Shanghai 201804, China;College of Automotive Studies, Tongji University, Shanghai 201804, China |
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| Abstract: | A combined physical model of the engine operation process and dynamics of the crank and connection mechanism was presented based on an object oriented and multi domain simulation platform SimulationX.Thus,how to truly simulate the 1D firing model and 3D dynamics analysis of the engine was achieved.The dynamical results of the crank and connection mechanism of a practical engine were obtained via multi body system simulation.The parameters of interaction forces after the simulation provide the boundary conditions for the future analysis on thermodynamics and kinetics of the engine.Meanwhile,the whole simulation process offers one of the evidence for the virtual design of the engine. |
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| Keywords: | object oriented crank and connection mechanism operation process multi body dynamics simulation |
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