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Profiling and compaction behavior of a slope-adaptive system for cross-slope no-till planting: Simulation and field insights.

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Title: Profiling and compaction behavior of a slope-adaptive system for cross-slope no-till planting: Simulation and field insights.
Authors: Li, Hang1,2 hli@cau.edu.cn, He, Jin1,2 hejin@cau.edu.cn, Chu, Huilong1 chuhuilong1022@outlook.com, Li, Hongwen1,2 lhwen@cau.edu.cn, Wang, Qingjie1,2 wangqingjie@cau.edu.cn, Wang, Chao1,2 superc@cau.edu.cn, Li, Yunpeng1 liyunpeng44298@outlook.com, Meng, Ziqing1 GraciaUA8389@outlook.com
Source: International Journal of Agricultural & Biological Engineering. Feb2026, Vol. 19 Issue 1, p67-75. 9p.
Subjects: Discrete element method, Multibody systems, Field research, Conservation tillage, Agricultural equipment, Simulation methods & models, Soil compaction
Abstract: To enhance the operational stability and adaptability of soil-covering and compaction devices during no-till seeding on sloped farmland, this study developed a DEM--MBD coupled simulation model suited for conditions involving real-time slope variation and applied it to the design and analysis of a slope-adaptive covering--compacting device (SACCD). By coupling multi-body dynamics with the discrete element method, the model simulated the motion behavior and soil interaction process of the SACCD under different slope change rates, revealing its asynchronous response characteristics and profiling compaction mechanisms during dynamic slope transitions. Field experiments further verified the device's performance and the accuracy of the simulation. At the Lishu test site, the SACCD achieved a coefficient of variation of soil compaction of 20.4% under an average surface slope variation rate of 0.087 rad/s. At the Keshan test site, the coefficient of variation of soil compaction was 18.9%, with an almost constant slope. The differences between simulation and field results for the coefficient of variation of soil compaction were 8.32% (Lishu) and 1.02% (Keshan), confirming the reliability of the model and the rationality of the SACCD structural design. Overall, the simulation and field results demonstrate that the SACCD can maintain effective profiling posture and compaction performance under dynamic slope variation, providing a feasible approach and theoretical basis for the design and performance prediction of soil-covering and compaction devices for complex sloped farmland. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Agricultural & Biological Engineering is the property of International Journal of Agricultural & Biological Engineering and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Profiling and compaction behavior of a slope-adaptive system for cross-slope no-till planting: Simulation and field insights.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Hang%22">Li, Hang</searchLink><relatesTo>1,2</relatesTo><i> hli@cau.edu.cn</i><br /><searchLink fieldCode="AR" term="%22He%2C+Jin%22">He, Jin</searchLink><relatesTo>1,2</relatesTo><i> hejin@cau.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Chu%2C+Huilong%22">Chu, Huilong</searchLink><relatesTo>1</relatesTo><i> chuhuilong1022@outlook.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Hongwen%22">Li, Hongwen</searchLink><relatesTo>1,2</relatesTo><i> lhwen@cau.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Qingjie%22">Wang, Qingjie</searchLink><relatesTo>1,2</relatesTo><i> wangqingjie@cau.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Chao%22">Wang, Chao</searchLink><relatesTo>1,2</relatesTo><i> superc@cau.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Yunpeng%22">Li, Yunpeng</searchLink><relatesTo>1</relatesTo><i> liyunpeng44298@outlook.com</i><br /><searchLink fieldCode="AR" term="%22Meng%2C+Ziqing%22">Meng, Ziqing</searchLink><relatesTo>1</relatesTo><i> GraciaUA8389@outlook.com</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Agricultural+%26+Biological+Engineering%22">International Journal of Agricultural & Biological Engineering</searchLink>. Feb2026, Vol. 19 Issue 1, p67-75. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Discrete+element+method%22">Discrete element method</searchLink><br /><searchLink fieldCode="DE" term="%22Multibody+systems%22">Multibody systems</searchLink><br /><searchLink fieldCode="DE" term="%22Field+research%22">Field research</searchLink><br /><searchLink fieldCode="DE" term="%22Conservation+tillage%22">Conservation tillage</searchLink><br /><searchLink fieldCode="DE" term="%22Agricultural+equipment%22">Agricultural equipment</searchLink><br /><searchLink fieldCode="DE" term="%22Simulation+methods+%26+models%22">Simulation methods & models</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+compaction%22">Soil compaction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To enhance the operational stability and adaptability of soil-covering and compaction devices during no-till seeding on sloped farmland, this study developed a DEM--MBD coupled simulation model suited for conditions involving real-time slope variation and applied it to the design and analysis of a slope-adaptive covering--compacting device (SACCD). By coupling multi-body dynamics with the discrete element method, the model simulated the motion behavior and soil interaction process of the SACCD under different slope change rates, revealing its asynchronous response characteristics and profiling compaction mechanisms during dynamic slope transitions. Field experiments further verified the device's performance and the accuracy of the simulation. At the Lishu test site, the SACCD achieved a coefficient of variation of soil compaction of 20.4% under an average surface slope variation rate of 0.087 rad/s. At the Keshan test site, the coefficient of variation of soil compaction was 18.9%, with an almost constant slope. The differences between simulation and field results for the coefficient of variation of soil compaction were 8.32% (Lishu) and 1.02% (Keshan), confirming the reliability of the model and the rationality of the SACCD structural design. Overall, the simulation and field results demonstrate that the SACCD can maintain effective profiling posture and compaction performance under dynamic slope variation, providing a feasible approach and theoretical basis for the design and performance prediction of soil-covering and compaction devices for complex sloped farmland. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Agricultural & Biological Engineering is the property of International Journal of Agricultural & Biological Engineering and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.25165/j.ijabe.20261901.10094
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 67
    Subjects:
      – SubjectFull: Discrete element method
        Type: general
      – SubjectFull: Multibody systems
        Type: general
      – SubjectFull: Field research
        Type: general
      – SubjectFull: Conservation tillage
        Type: general
      – SubjectFull: Agricultural equipment
        Type: general
      – SubjectFull: Simulation methods & models
        Type: general
      – SubjectFull: Soil compaction
        Type: general
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      – TitleFull: Profiling and compaction behavior of a slope-adaptive system for cross-slope no-till planting: Simulation and field insights.
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              Text: Feb2026
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              Y: 2026
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