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Simulation Analysis and Parameter Optimization of Residual Film Pickup Process Based on Finite Element Method

Author

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  • Xuejun Zhang

    (College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
    Key Laboratory of Intelligent Agricultural Equipment of Xinjiang, Urumqi 830052, China)

  • Lei Guo

    (College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China)

  • Jinshan Yan

    (College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
    Key Laboratory of Intelligent Agricultural Equipment of Xinjiang, Urumqi 830052, China)

  • Zenglu Shi

    (College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
    Key Laboratory of Intelligent Agricultural Equipment of Xinjiang, Urumqi 830052, China)

  • Mengchen Kang

    (College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China)

  • Jieting Yao

    (College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China)

Abstract

The extended duration of mulching in Xinjiang cotton fields leads to a significant decline in the tensile strength of plastic film. When recycling is in operation, the soil and the spring teeth of the machinery used can easily cause secondary damage and fracture the residual film. Establishing appropriate working parameters for recycling is essential to enhance the overall quality of collection efforts. By analyzing the motion process of a chain-tooth residual film pickup device, we identified key working parameters that significantly impact the efficiency of recycling. Employing the finite element method (FEM) and a coupled algorithm incorporating smooth particle hydrodynamics (SPH), we developed a coupled finite element model representing the interaction among spring teeth, soil, and residual film. Through simulation and analysis of the process of inserting the spring teeth into the soil to collect film, we derived the governing rules for residual film stress and deformation changes. Utilizing forward speed, rotational angular velocity, and angle of entry into the soil of the spring teeth as test factors and selecting the residual film stress and the residual film deformation as test indices, we conducted a multi-factor simulation test. We established a mathematical model correlating test factors with test indices, and the influence of each factor on the test index was analyzed. Subsequently, we optimized the working parameters of the spring teeth. The results indicated that the optimal working parameters are forward speed of 1111.11 mm/s, rotational angular velocity of 25 rad/s, and angle of entry into the soil of 30°. At these values, the average peak stress of residual film was 4.51 MPa and the height of residual film pickup was 84.48 mm. To validate the optimized the spring teeth impact on performance, field experiments were conducted with recovery rate and winding rate as test indices. The results demonstrated a 92.1% recovery rate and a 1.1% winding rate under the optimal combination of working parameters. The finite element model presented in this paper serves as a reference for designing and analyzing key components of residual film recycling machines.

Suggested Citation

  • Xuejun Zhang & Lei Guo & Jinshan Yan & Zenglu Shi & Mengchen Kang & Jieting Yao, 2024. "Simulation Analysis and Parameter Optimization of Residual Film Pickup Process Based on Finite Element Method," Agriculture, MDPI, vol. 14(4), pages 1-19, March.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:4:p:524-:d:1363969
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    References listed on IDEAS

    as
    1. Tong Zhou & Yongxin Jiang & Xuenong Wang & Jianhua Xie & Changyun Wang & Qian Shi & Yi Zhang, 2023. "Detection of Residual Film on the Field Surface Based on Faster R-CNN Multiscale Feature Fusion," Agriculture, MDPI, vol. 13(6), pages 1-13, May.
    2. Wang Yang & Xiong Xiao & Ronghui Pan & Shengyuan Guo & Jian Yang, 2023. "Numerical Simulation of Spiral Cutter–Soil Interaction in Deep Vertical Rotary Tillage," Agriculture, MDPI, vol. 13(9), pages 1-19, September.
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