Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal Land
After wheat harvesting in coastal saline–alkali land, when the straw is returned to the field and the soil is rotary tilled, the lack of reliable discrete element simulation parameter models restricts the optimization and improvement of special tillage and land preparation equipment for saline–alkal...
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MDPI AG
2025-01-01
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| Series: | Agriculture |
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| Online Access: | https://www.mdpi.com/2077-0472/15/2/129 |
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| author | Jie Liu Tong Lu Shuai Zheng Yu Tian Miaomiao Han Muhao Tai Xiaoning He Hongxiu Li Dongwei Wang Zhuang Zhao |
| author_facet | Jie Liu Tong Lu Shuai Zheng Yu Tian Miaomiao Han Muhao Tai Xiaoning He Hongxiu Li Dongwei Wang Zhuang Zhao |
| author_sort | Jie Liu |
| collection | DOAJ |
| description | After wheat harvesting in coastal saline–alkali land, when the straw is returned to the field and the soil is rotary tilled, the lack of reliable discrete element simulation parameter models restricts the optimization and improvement of special tillage and land preparation equipment for saline–alkali land to some extent. In this study, the Hertz–Mindlin with JKR model was used to calibrate the discrete element simulation parameters. Taking the soil-wheat crop residue mixture’s angle of repose as the test index, four groups of parameters that significantly affect the angle of repose and their optimal value ranges were screened out through the Plackett–Burman test and the steepest ascent test. Then, the Box–Behnken test was conducted to obtain the quadratic regression model of the significant parameters and the angle of repose, and the optimal values of the significant parameters were obtained. The optimal parameter combination was used for simulation tests, and the relative errors between the measured values and the simulation test values of the angle of repose and the wheat residue coverage rate were 0.74% and 1.34%. The reliable parameters provide a theoretical basis for the optimization and improvement of the equipment for soil preparation in saline–alkali land. |
| format | Article |
| id | doaj-art-7ce49b6d68f9495f80ecc6d6014abc2a |
| institution | Kabale University |
| issn | 2077-0472 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agriculture |
| spelling | doaj-art-7ce49b6d68f9495f80ecc6d6014abc2a2025-01-24T13:15:48ZengMDPI AGAgriculture2077-04722025-01-0115212910.3390/agriculture15020129Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal LandJie Liu0Tong Lu1Shuai Zheng2Yu Tian3Miaomiao Han4Muhao Tai5Xiaoning He6Hongxiu Li7Dongwei Wang8Zhuang Zhao9College of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, ChinaCollege of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, ChinaCollege of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, ChinaYellow River Delta Intelligent Agricultural Machinery Equipment Industry Academy, Dongying 257300, ChinaCollege of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, ChinaCollege of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, ChinaCollege of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, ChinaShandong Saline-Alkali Land Modern Agriculture Limited Liability Company, Dongying 257300, ChinaYellow River Delta Intelligent Agricultural Machinery Equipment Industry Academy, Dongying 257300, ChinaCollege of Mechanical and Electronic Engineering, Shandong Agricultural University, Taian 271018, ChinaAfter wheat harvesting in coastal saline–alkali land, when the straw is returned to the field and the soil is rotary tilled, the lack of reliable discrete element simulation parameter models restricts the optimization and improvement of special tillage and land preparation equipment for saline–alkali land to some extent. In this study, the Hertz–Mindlin with JKR model was used to calibrate the discrete element simulation parameters. Taking the soil-wheat crop residue mixture’s angle of repose as the test index, four groups of parameters that significantly affect the angle of repose and their optimal value ranges were screened out through the Plackett–Burman test and the steepest ascent test. Then, the Box–Behnken test was conducted to obtain the quadratic regression model of the significant parameters and the angle of repose, and the optimal values of the significant parameters were obtained. The optimal parameter combination was used for simulation tests, and the relative errors between the measured values and the simulation test values of the angle of repose and the wheat residue coverage rate were 0.74% and 1.34%. The reliable parameters provide a theoretical basis for the optimization and improvement of the equipment for soil preparation in saline–alkali land.https://www.mdpi.com/2077-0472/15/2/129saline–alkali landdiscrete element methodparameter calibrationangle of repose |
| spellingShingle | Jie Liu Tong Lu Shuai Zheng Yu Tian Miaomiao Han Muhao Tai Xiaoning He Hongxiu Li Dongwei Wang Zhuang Zhao Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal Land Agriculture saline–alkali land discrete element method parameter calibration angle of repose |
| title | Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal Land |
| title_full | Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal Land |
| title_fullStr | Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal Land |
| title_full_unstemmed | Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal Land |
| title_short | Parameter Calibration Method for Discrete Element Simulation of Soil–Wheat Crop Residues in Saline–Alkali Coastal Land |
| title_sort | parameter calibration method for discrete element simulation of soil wheat crop residues in saline alkali coastal land |
| topic | saline–alkali land discrete element method parameter calibration angle of repose |
| url | https://www.mdpi.com/2077-0472/15/2/129 |
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