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Finite Element Model Construction and Cutting Parameter Calibration of Wild Chrysanthemum Stem

Author

Listed:
  • Tao Wang

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Zhengdao Liu

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Xiaoli Yan

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Guopeng Mi

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Suyuan Liu

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Kezhou Chen

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Shilin Zhang

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Xun Wang

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Shuo Zhang

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Xiaopeng Wu

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

Abstract

Due to a lack of an accurate model in finite element simulation of mechanized harvesting of wild chrysanthemum, the stem of wild chrysanthemum in the harvesting period is taken as the research object. ANSYS Workbench 19.0 software and LS-DYNA software (LS-PrePOST-4.3-X64) are used to calibrate the finite element simulation model of wild chrysanthemum stem cutting. The stem diameter distribution at the cutting height of the chrysanthemum is obtained. The maximum shear forces at different diameters (7 mm, 8 mm, 9 mm, 10 mm, and 11 mm) within the cutting range are determined as 120.0 N, 159.2 N, 213.8 N, 300.0 N, and 378.2 N, respectively, by using a biomechanical testing machine and a custom-made shear blade. The Plastic_Kinematic failure model is used to simulate the cutting process by the finite element method. The Plackett–Burman test is employed to screen out the test factors that significantly affect the results, namely, the yield stress, failure strain, and strain rate parameter C. The regression model between the shear force and significant parameters is obtained by central composite design experiments. To obtain the model parameters, the measured values are substituted into the regression equation as the simulation target values. In other words, the yield stress is 17.96 MPa, the strain rate parameter C is 87.27, and the failure strain is 0.0387. The maximum shear force simulation test is carried out with the determined parameters. The results showed that the maximum error between the simulated and the actual value of the maximum shear force of wild chrysanthemum stems with different diameters is 7.8%. This indicates that the calibrated parameters of the relevant stem failure model can be used in the finite element method simulation and provide a basis for subsequent simulations.

Suggested Citation

  • Tao Wang & Zhengdao Liu & Xiaoli Yan & Guopeng Mi & Suyuan Liu & Kezhou Chen & Shilin Zhang & Xun Wang & Shuo Zhang & Xiaopeng Wu, 2022. "Finite Element Model Construction and Cutting Parameter Calibration of Wild Chrysanthemum Stem," Agriculture, MDPI, vol. 12(6), pages 1-12, June.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:6:p:894-:d:843431
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    Citations

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    Cited by:

    1. Zhengdao Liu & Tao Wang & Suyuan Liu & Xiaoli Yan & Hongbo Zhao & Xiaopeng Wu & Shuo Zhang, 2023. "Design and Experimental Study of a Bionic Blade for Harvesting the Wild Chrysanthemum Stem," Agriculture, MDPI, vol. 13(1), pages 1-16, January.
    2. Jiali Fan & Yuyao Li & Bing Wang & Fengwei Gu & Feng Wu & Hongguang Yang & Zhaoyang Yu & Zhichao Hu, 2022. "An Experimental Study of Axial Poisson’s Ratio and Axial Young’s Modulus Determination of Potato Stems Using Image Processing," Agriculture, MDPI, vol. 12(7), pages 1-14, July.
    3. Kunpeng Tian & Bin Zhang & Cheng Shen & Haolu Liu & Jicheng Huang & Aimin Ji, 2023. "Dynamic Cutting Performance Test and Parameter Optimization of Longicorn Bionic Blade for Industrial Hemp Harvester," Agriculture, MDPI, vol. 13(5), pages 1-13, May.
    4. Kunpeng Tian & Jicheng Huang & Bin Zhang & Aimin Ji & Zhonghua Xu, 2024. "Study on the Impact of Cutting Platform Vibration on Stalk Cutting Quality in Industrial Hemp," Agriculture, MDPI, vol. 14(2), pages 1-15, February.
    5. Hongmei Xia & Liuquan Li & Chuheng Deng & Shicheng Zhu & Jieqing Chen & Teng Yang & Runxin Huang & Wenbin Zhen, 2024. "Finite Element Simulation Parameter Calibration and Verification for Stem Cutting of Hydroponic Chinese Kale," Agriculture, MDPI, vol. 14(3), pages 1-14, March.
    6. Jinpeng Hu & Lizhang Xu & Yang Yu & Jin Lu & Dianlei Han & Xiaoyu Chai & Qinhao Wu & Linjun Zhu, 2023. "Design and Experiment of Bionic Straw-Cutting Blades Based on Locusta Migratoria Manilensis," Agriculture, MDPI, vol. 13(12), pages 1-23, December.
    7. Daipeng Lu & Wei Wang & Encai Bao & Shilin Wang & Xue Wu & Zongchun Bai & Yuxin Tang, 2022. "Cutting Mechanical Properties of Pumpkin Grafted Seedling Investigated by Finite Element Simulation and Experiment," Agriculture, MDPI, vol. 12(9), pages 1-18, September.

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