吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (03): 584-589.doi: 10.7964/jdxbgxb201303005

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Structural topology optimization based design of automotive transmission housing structure

ZHU Jian-feng1, LIN Yi1,2, CHEN Xiao-kai1, SHI Guo-biao1   

  1. 1. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081,China;
    2. Beijing Automotive Technology Center, Beijing 100021,China
  • Received:2012-03-06 Online:2013-05-01 Published:2013-05-01

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Abstract:

This paper introduces the variable density based topology optimization into the design of transmission housing structure. The optimization takes the constraints on manufacturing condition into consideration. In order to increase the strength, stiffness and nature frequency of the transmission structure and control its weight, the static and dynamic topology optimizations of the transmission housing are carried out. According to the results of the topology optimization and the manufacturing constraints, a new rational transmission housing structure is designed. The stress analysis and modal analysis of the new design are carried out. The analysis results show that not only the stress level of the designed housing is lower than the material yield stress, but also the modal frequency avoids the powertrain system resonance.

Key words: vehicle engineering, automotive transmission housing, topology optimization, variable density method

CLC Number: 

  • U462.3

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