吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (增刊1): 117-121.

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Soil resistance of the bionic hook-shape subsoiler based on the finite element method

ZHANG Qiang1,2, ZHANG Lu1, LIU Xian-jun1, YU Lu-lu1, JIA Hong-lei1,2   

  1. 1. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China;
    2. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China
  • Received:2012-03-20 Online:2012-09-01 Published:2012-09-01

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Abstract: The general explicit nonlinear dynamic analysis finite element program ANSYS/LS-DYNA was used to research the influence of the tillage depth and the operating speed on the operating resistance of the bionic hook-shape subsoiler and the standard arc-shape subsoiler, as well as to study the significance of the operating resistance reduction of the bionic hook-shape subsoiler. In order to prove the reliability of the finite element analysis method, the operating resistance of these two types of subsoilers was also tested in soil bin. The results show that there is a same varying trend between the operating resistance data obtained by the finite element method and the soil bin test, and the finite element method is suitable to the research of the performance of subsoiling, and the bionic hook-shape subsoiler's operating resistance is significantly lower than the arc-shape subsoiler's.

Key words: agricultural engineering, tillage resistance, subsoiler, finite element method

CLC Number: 

  • S222
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