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ZHANG Kai-lin, ZHOU Chun-ping. Topology optimization simulation of framework for high-speed locomotive[J]. Journal of Traffic and Transportation Engineering, 2009, 9(6): 42-46. doi: 10.19818/j.cnki.1671-1637.2009.06.009
Citation: ZHANG Kai-lin, ZHOU Chun-ping. Topology optimization simulation of framework for high-speed locomotive[J]. Journal of Traffic and Transportation Engineering, 2009, 9(6): 42-46. doi: 10.19818/j.cnki.1671-1637.2009.06.009
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Topology optimization simulation of framework for high-speed locomotive

doi: 10.19818/j.cnki.1671-1637.2009.06.009

  • Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

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  • Author Bio:

    ZHANG Kai-lin(1967-), male, professor, PhD, +86-28-87600660, zhangkailin@mail.swjtu.edu.cn

  • Received Date: 2009-08-21
  • Publish Date: 2009-12-25
    Abstract
  • In order to obtain the most superior lightweight locomotive frame structure, based on ESO (evolutionary structural optimization), the ANSYS's birth and death of element function redevelopment were applied, the element with relatively low stress or low strain energy density was "killed" by setting a stress threshold, and the topology optimization procedure was established by APDL.The interior ribbed plate position of bogie frame for high-speed power vehicle was simulated by ESO, the optimal topological location of the interior ribbed plate was determined, and the thickness of the plate was optimized.The result shows that the stress of the end beam in bogie frame increases by about 30%, the stress of the lateral beam in bogie frame increases by about 10% after the structure is optimized, and the overall stress distribution of the frame tends even.Through framework topology and size optimization, the mass of bogie frame reduces by 143.92 kg, and the reducing rate is about 10%, so the lightweight purpose of bogie frame achieves based on the uniform strength design of bogie frame.

     

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