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The study of interaction between deep-sea mining machines and soft sediments based on MBD-DEM coupling.

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Title: The study of interaction between deep-sea mining machines and soft sediments based on MBD-DEM coupling.
Authors: Wang, Teng1 (AUTHOR), Wu, Hongdong2 (AUTHOR), Zhu, Wei3 (AUTHOR), Tang, Peng1 (AUTHOR), Xie, Baoqi1 (AUTHOR), Wang, Wenxian1 (AUTHOR), Ma, Wenbo1 (AUTHOR) mawenbo@xtu.edu.cn
Source: Marine Georesources & Geotechnology. Oct2025, Vol. 43 Issue 10, p1934-1947. 14p.
Subjects: Ocean mining, Machine performance, Grouse, Sediment analysis, Automobile traction, Soil-structure interaction, Simulation methods & models
Abstract: The deep-sea mining machine is a crucial component of the seabed mining system. However, due to the unique mechanical properties of deep-sea sediments, the machine often encounters problems like slipping and sinking during operation. Traditional model testing struggles to analyze the interaction between tracks and soil on a microscopic level. This study uses an MBD-DEM coupling method to simulate track-soil interactions, revealing the impact of grouser shape, spacing, track plate spacing, ground pressure, and pretension on the machine's performance. The results show that the grouser causes the most soil disturbance when entering and exiting the soil, providing significant traction during entry, though some grousers face resistance while moving. Increasing grouser spacing initially boosts traction but later decreases it, as too small or too large spacing affects thrust and soil utilization. Enlarging track plate spacing reduces motion resistance and increases traction. Raising ground pressure also enhances traction but increases soil disturbance. Setting pretension to 12% of the machine's weight results in smoother operation. Additionally, the study considered the impact of biomimetic grousers on traction under multi-grouser conditions and designed more efficient grousers, providing theoretical guidance for the structural design of deep-sea mining machine tracks. [ABSTRACT FROM AUTHOR]
Copyright of Marine Georesources & Geotechnology is the property of Taylor & Francis Ltd 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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An: 188054731
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: The study of interaction between deep-sea mining machines and soft sediments based on MBD-DEM coupling.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Teng%22">Wang, Teng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Hongdong%22">Wu, Hongdong</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Wei%22">Zhu, Wei</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Peng%22">Tang, Peng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xie%2C+Baoqi%22">Xie, Baoqi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Wenxian%22">Wang, Wenxian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Wenbo%22">Ma, Wenbo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mawenbo@xtu.edu.cn</i>
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  Label: Source
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  Data: <searchLink fieldCode="JN" term="%22Marine+Georesources+%26+Geotechnology%22">Marine Georesources & Geotechnology</searchLink>. Oct2025, Vol. 43 Issue 10, p1934-1947. 14p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Ocean+mining%22">Ocean mining</searchLink><br /><searchLink fieldCode="DE" term="%22Machine+performance%22">Machine performance</searchLink><br /><searchLink fieldCode="DE" term="%22Grouse%22">Grouse</searchLink><br /><searchLink fieldCode="DE" term="%22Sediment+analysis%22">Sediment analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Automobile+traction%22">Automobile traction</searchLink><br /><searchLink fieldCode="DE" term="%22Soil-structure+interaction%22">Soil-structure interaction</searchLink><br /><searchLink fieldCode="DE" term="%22Simulation+methods+%26+models%22">Simulation methods & models</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The deep-sea mining machine is a crucial component of the seabed mining system. However, due to the unique mechanical properties of deep-sea sediments, the machine often encounters problems like slipping and sinking during operation. Traditional model testing struggles to analyze the interaction between tracks and soil on a microscopic level. This study uses an MBD-DEM coupling method to simulate track-soil interactions, revealing the impact of grouser shape, spacing, track plate spacing, ground pressure, and pretension on the machine's performance. The results show that the grouser causes the most soil disturbance when entering and exiting the soil, providing significant traction during entry, though some grousers face resistance while moving. Increasing grouser spacing initially boosts traction but later decreases it, as too small or too large spacing affects thrust and soil utilization. Enlarging track plate spacing reduces motion resistance and increases traction. Raising ground pressure also enhances traction but increases soil disturbance. Setting pretension to 12% of the machine's weight results in smoother operation. Additionally, the study considered the impact of biomimetic grousers on traction under multi-grouser conditions and designed more efficient grousers, providing theoretical guidance for the structural design of deep-sea mining machine tracks. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Marine Georesources & Geotechnology is the property of Taylor & Francis Ltd 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/1064119X.2024.2443129
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1934
    Subjects:
      – SubjectFull: Ocean mining
        Type: general
      – SubjectFull: Machine performance
        Type: general
      – SubjectFull: Grouse
        Type: general
      – SubjectFull: Sediment analysis
        Type: general
      – SubjectFull: Automobile traction
        Type: general
      – SubjectFull: Soil-structure interaction
        Type: general
      – SubjectFull: Simulation methods & models
        Type: general
    Titles:
      – TitleFull: The study of interaction between deep-sea mining machines and soft sediments based on MBD-DEM coupling.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Wang, Teng
      – PersonEntity:
          Name:
            NameFull: Wu, Hongdong
      – PersonEntity:
          Name:
            NameFull: Zhu, Wei
      – PersonEntity:
          Name:
            NameFull: Tang, Peng
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          Name:
            NameFull: Xie, Baoqi
      – PersonEntity:
          Name:
            NameFull: Wang, Wenxian
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            NameFull: Ma, Wenbo
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          Dates:
            – D: 01
              M: 10
              Text: Oct2025
              Type: published
              Y: 2025
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            – Type: issn-print
              Value: 1064119X
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              Value: 43
            – Type: issue
              Value: 10
          Titles:
            – TitleFull: Marine Georesources & Geotechnology
              Type: main
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