噪声与振动控制

›› 2011, Vol. 31 ›› Issue (6): 57-61.DOI: 10.3969/j.issn.1006-1355-2011.06.013

• 2.振动理论与数值解法 • 上一篇    下一篇

基于试验/计算混合模型的动力传动装置混合建模与仿真

马炳杰1,冯慧华2,沈建平1   

  1. ( 1. 中国船舶重工集团公司 第七一一研究所， 上海 200090； 2. 北京理工大学 机械与车辆工程学院， 北京 100081 )
  • 收稿日期:2011-02-24 修回日期:2011-05-25 出版日期:2011-12-18 发布日期:2011-12-18
  • 通讯作者: 马炳杰

Hybrid Simulation of Powertrain System Based on the Combination of Test Model and FE Analysis

MA Bing-jie 1,FENG Hui-hua 2,SHEN Jian-ping 1   

  1. ( 1. Shanghai Marine Engine Research Institute, Shanghai 200011, China; 2. School of Mechanical & Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China )
  • Received:2011-02-24 Revised:2011-05-25 Online:2011-12-18 Published:2011-12-18
  • Contact: MA Bing-jie

摘要： 为实现高效率、高精度地进行针对复杂结构的动态分析，从子结构的基本思想出发，提出了采用试验模态分析与有限元分析相结合的混合仿真的构想，并在Virtual.Lab平台上实现了该方法。以基于试验测试的柴油机模型和基于有限元分析的传动箱模型为例进行验证，结果表明，该方法与组合级的动力传动装置有限元计算精度基本一致，但规模和效率却远远优于后者。因而，该方法能用较少的计算次数和较短的时间得到较精确的动特性参数。

关键词: 振动与波, 柴油机, 传动箱, 有限元法, 模态分析, 混合建模与仿真

Abstract: In order to realize high efficiency and high precision dynamic analysis for complex structures, the method of hybrid simulation with the combination of test mode analysis and finite element analysis is brought forward based on the idea of substructures. This method is realized in the Virtual Lab platform. Taking the vibration modes of a whole diesel engine resulted from experiments and the vibration modes of a gearbox resulted from the finite element analysis as examples, the hybrid simulation method is verified. With this method, a dynamic simulation of a powertrain system is done. It is found that the results of the hybrid simulation of the whole powertrain model are essentially the same as those from the finite element analysis, but this method consumes much less computer time. Thus, the hybrid simulation method is accurate and effective.

Key words: vibration and wave, diesel engine, gearbox FEM, modal analysis, hybrid simulation

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