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Numerical analysis of seabed dynamic response around a four-bucket jacket foundation under combined wave-current loading.

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Title: Numerical analysis of seabed dynamic response around a four-bucket jacket foundation under combined wave-current loading.
Authors: Feng, Lingyun1,2 (AUTHOR), Wang, Qiuchen1 (AUTHOR), Liu, Junwei1 (AUTHOR), Liang, Zuodong3 (AUTHOR) liangzuodong@gxu.edu.cn, Asheghabadi, Mohsen Saleh1 (AUTHOR)
Source: Marine Georesources & Geotechnology. Jul2026, Vol. 44 Issue 7, p2184-2202. 19p.
Subjects: Soil liquefaction, Wave-current interaction, Numerical analysis, Offshore structures, Computational fluid dynamics, Building foundations
Abstract: Transient seabed liquefaction adjacent to marine structures under combined wave-current loading threatens offshore infrastructure stability. To address this, numerical investigations of wave-current-structure-seabed interactions are performed for a four-bucket jacket foundation using the open-source CFD platform OpenFOAM. This study systematically analyzes dynamic seabed responses and maximum transient liquefaction depths around the structure, with particular emphasis on wave height, wave period, current velocity/direction, and inter-bucket spacing. Key results reveal that maximum liquefaction depth increases with wave height/period and co-directional current velocity, yet decreases with reduced bucket spacing. Wave height dominates as the primary influencing factor. Furthermore, the spatial distribution of liquefaction depth around the foundation intensifies initially before gradual attenuation under combined wave-current conditions. Notably, forward-positioned buckets exhibit significantly higher susceptibility to liquefaction than rearward buckets. These findings offer valuable insights for stability assessment and protective design of offshore bucket jacket foundations. HIGHLIGHTS: A fully coupled numerical model examines wave-current-induced seabed dynamics and liquefaction depth around four-bucket jacket foundations. A systematic analysis evaluates the effects of wave height/period, current velocity/direction, and bucket spacing on seabed response. Parameter-dependent maximum liquefaction depth near foundations is quantified, offering key optimization guidelines for marine foundation design. [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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194898133
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Numerical analysis of seabed dynamic response around a four-bucket jacket foundation under combined wave-current loading.
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  Data: <searchLink fieldCode="AR" term="%22Feng%2C+Lingyun%22">Feng, Lingyun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Qiuchen%22">Wang, Qiuchen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Junwei%22">Liu, Junwei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liang%2C+Zuodong%22">Liang, Zuodong</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> liangzuodong@gxu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Asheghabadi%2C+Mohsen+Saleh%22">Asheghabadi, Mohsen Saleh</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Marine+Georesources+%26+Geotechnology%22">Marine Georesources & Geotechnology</searchLink>. Jul2026, Vol. 44 Issue 7, p2184-2202. 19p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Soil+liquefaction%22">Soil liquefaction</searchLink><br /><searchLink fieldCode="DE" term="%22Wave-current+interaction%22">Wave-current interaction</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Offshore+structures%22">Offshore structures</searchLink><br /><searchLink fieldCode="DE" term="%22Computational+fluid+dynamics%22">Computational fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Building+foundations%22">Building foundations</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Transient seabed liquefaction adjacent to marine structures under combined wave-current loading threatens offshore infrastructure stability. To address this, numerical investigations of wave-current-structure-seabed interactions are performed for a four-bucket jacket foundation using the open-source CFD platform OpenFOAM. This study systematically analyzes dynamic seabed responses and maximum transient liquefaction depths around the structure, with particular emphasis on wave height, wave period, current velocity/direction, and inter-bucket spacing. Key results reveal that maximum liquefaction depth increases with wave height/period and co-directional current velocity, yet decreases with reduced bucket spacing. Wave height dominates as the primary influencing factor. Furthermore, the spatial distribution of liquefaction depth around the foundation intensifies initially before gradual attenuation under combined wave-current conditions. Notably, forward-positioned buckets exhibit significantly higher susceptibility to liquefaction than rearward buckets. These findings offer valuable insights for stability assessment and protective design of offshore bucket jacket foundations. HIGHLIGHTS: A fully coupled numerical model examines wave-current-induced seabed dynamics and liquefaction depth around four-bucket jacket foundations. A systematic analysis evaluates the effects of wave height/period, current velocity/direction, and bucket spacing on seabed response. Parameter-dependent maximum liquefaction depth near foundations is quantified, offering key optimization guidelines for marine foundation design. [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:
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    Identifiers:
      – Type: doi
        Value: 10.1080/1064119X.2026.2616293
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 19
        StartPage: 2184
    Subjects:
      – SubjectFull: Soil liquefaction
        Type: general
      – SubjectFull: Wave-current interaction
        Type: general
      – SubjectFull: Numerical analysis
        Type: general
      – SubjectFull: Offshore structures
        Type: general
      – SubjectFull: Computational fluid dynamics
        Type: general
      – SubjectFull: Building foundations
        Type: general
    Titles:
      – TitleFull: Numerical analysis of seabed dynamic response around a four-bucket jacket foundation under combined wave-current loading.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Feng, Lingyun
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            NameFull: Wang, Qiuchen
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            NameFull: Liu, Junwei
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            NameFull: Liang, Zuodong
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          Name:
            NameFull: Asheghabadi, Mohsen Saleh
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          Dates:
            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 44
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              Value: 7
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            – TitleFull: Marine Georesources & Geotechnology
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