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Research on the Resistance Reduction Law of Self-Excited a Resonant Circular Arc-Surface Bulldozing Plate Based on the Discrete Element Method

Author

Listed:
  • Zhijun Guo

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Yiqing Qiu

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Xianghai Yan

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Jiajia Wang

    (College of Agricultural Engineering, Henan University of Science and Technology, Luoyang 471003, China)

  • Shengjie Si

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Fugui Guo

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Fu Zhang

    (College of Agricultural Engineering, Henan University of Science and Technology, Luoyang 471003, China)

Abstract

We explore the mechanism and law of reducing the resistance of soil cutting tools by achieving the self-excited vibration mode through the modification of the soil-engaging surface spectrum. Around the fundamental resonance point of the soil, and superimposing geometric waveforms of different spatial frequencies and amplitudes on the basis of the circular arc surface base directrix, 18 bulldozing plate models with different soil-engaging surface spectrum structures were designed and manufactured. By conducting a discrete element method (DEM) simulation of the working process of the bulldozing plate and comparing the working resistance of the soil-engaging components with the results of the soil bin test, the microscopic process of soil disturbance was further revealed from the perspective of simulation. The results indicate that the self-excited vibrating circular arc-surface bulldozing plate could effectively improve the resistance reduction effect during the operation around the resonance point. With this model, the average error of the horizontal working resistance was 7.52%, and the average error of the vertical working resistance was 21.71%. The analysis of the soil microscopic disturbance process by DEM simulation further verified the correctness of the macroscopic test results. The research work has an important reference value for both the vibration resistance reduction design of soil cutting tools and resistance reduction design of soil-engaging surfaces’ geometric structure modification.

Suggested Citation

  • Zhijun Guo & Yiqing Qiu & Xianghai Yan & Jiajia Wang & Shengjie Si & Fugui Guo & Fu Zhang, 2023. "Research on the Resistance Reduction Law of Self-Excited a Resonant Circular Arc-Surface Bulldozing Plate Based on the Discrete Element Method," Agriculture, MDPI, vol. 13(10), pages 1-17, September.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:10:p:1880-:d:1247836
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    References listed on IDEAS

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    1. Yiqing Qiu & Zhijun Guo & Xin Jin & Pangang Zhang & Shengjie Si & Fugui Guo, 2022. "Calibration and Verification Test of Cinnamon Soil Simulation Parameters Based on Discrete Element Method," Agriculture, MDPI, vol. 12(8), pages 1-17, July.
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