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Volume 42 Issue 5
May  2016
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Journal of Beijing University of Aeronautics and Astronautics  > 2016  >  42(5): 878-884.
LI Minggao, LI Ming, HAN Lu, et al. Multi-objective topological optimization of heat insulation structures used in high-speed train[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(5): 878-884. doi: 10.13700/j.bh.1001-5965.2015.0539(in Chinese)
Citation: LI Minggao, LI Ming, HAN Lu, et al. Multi-objective topological optimization of heat insulation structures used in high-speed train[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(5): 878-884. doi: 10.13700/j.bh.1001-5965.2015.0539(in Chinese)
shu

Multi-objective topological optimization of heat insulation structures used in high-speed train

doi: 10.13700/j.bh.1001-5965.2015.0539
  • 1.

    Tangshan Railway Vehicle Co., Ltd., Tangshan 063035, China

  • 2. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 24 Aug 2015
  • Publish Date: 20 May 2016
    Abstract
  • For the high-speed train, the characteristics of heat insulation structures are the significant consideration in performance evaluation. The structures utilized in floor, side-wall, and ceiling are researched. The objective of this paper is to improve their performances of stiffness, heat insulation and weight. The thickness of profile would be reduced (the thickness of blanket of glass wool would increase) by parameter optimization in order to improve the heat-insulating property. The topological optimization is implemented to change the load transfer path and to enhance the stiffness of structures. The optimized result is hence achieved, and the manufacturability process is carried out. Finally, the performances of stiffness, heat insulation and weight are improved. And the effectiveness of the analysis is validated by finite element simulation. Consequently, this paper can provide quick calculations for the heat insulation structures of high-speed train.

     

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