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Experimental and computational analysis of hybrid suction caisson foundation for next-generation offshore wind turbines.

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Title: Experimental and computational analysis of hybrid suction caisson foundation for next-generation offshore wind turbines.
Authors: Kumar, Subodh1 (AUTHOR) subodhpl277@gmail.com, Sah, Babita1 (AUTHOR), Chaudhary, Babloo1 (AUTHOR), P. K., Akarsh1 (AUTHOR), Sajan, Manu K.2 (AUTHOR)
Source: Marine Georesources & Geotechnology. Jul2026, Vol. 44 Issue 7, p2080-2093. 14p.
Subjects: Building foundations, Bearing capacity of soils, Computer simulation, Testing laboratories, Offshore wind power plants, Digital computer simulation, Renewable energy sources
Abstract: A suction caisson is a successful foundation for an offshore wind turbine (OWT). High-capacity next-generation wind turbines become essential due to the rising demand for renewable energy. To support such turbines, a new foundation is required that can sustain the greater environmental loads. To satisfy the requirements of high-capacity OWTs, a hybrid suction caisson (HSC) foundation is developed in the study. The performance of the HSC is examined by conducting a number of physical model tests. Experimental results show that horizontal bearing capacity improved by 69.99% compared with a conventional suction caisson foundation. The increase in external skirt depth of HSC from 0.25L to 0.5L (L = 100 mm; inner skirt depth) and the increase in lid diameter from 250 to 300 mm show the 20.05% and 21.82% improvement in horizontal bearing capacity, respectively. Test results of the study reveal a significant improvement in its performance compared to a conventional caisson. Numerical simulations are also carried out to elucidate the mechanism. Highlights: Development of a hybrid suction caisson (HSC) foundation. Foundation for next generation high-capacity offshore wind turbines (OWTs). A series of 1g model tests to evaluate performance of the novel HSC foundation. Advance 3D Numerical simulation for elucidating the mechanisms. Parametric study to explore the effects of various parameters. [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: 194898127
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Experimental and computational analysis of hybrid suction caisson foundation for next-generation offshore wind turbines.
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  Data: <searchLink fieldCode="AR" term="%22Kumar%2C+Subodh%22">Kumar, Subodh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> subodhpl277@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Sah%2C+Babita%22">Sah, Babita</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chaudhary%2C+Babloo%22">Chaudhary, Babloo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22P%2E+K%2E%2C+Akarsh%22">P. K., Akarsh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sajan%2C+Manu+K%2E%22">Sajan, Manu K.</searchLink><relatesTo>2</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, p2080-2093. 14p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Building+foundations%22">Building foundations</searchLink><br /><searchLink fieldCode="DE" term="%22Bearing+capacity+of+soils%22">Bearing capacity of soils</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Testing+laboratories%22">Testing laboratories</searchLink><br /><searchLink fieldCode="DE" term="%22Offshore+wind+power+plants%22">Offshore wind power plants</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+computer+simulation%22">Digital computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Renewable+energy+sources%22">Renewable energy sources</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A suction caisson is a successful foundation for an offshore wind turbine (OWT). High-capacity next-generation wind turbines become essential due to the rising demand for renewable energy. To support such turbines, a new foundation is required that can sustain the greater environmental loads. To satisfy the requirements of high-capacity OWTs, a hybrid suction caisson (HSC) foundation is developed in the study. The performance of the HSC is examined by conducting a number of physical model tests. Experimental results show that horizontal bearing capacity improved by 69.99% compared with a conventional suction caisson foundation. The increase in external skirt depth of HSC from 0.25L to 0.5L (L = 100 mm; inner skirt depth) and the increase in lid diameter from 250 to 300 mm show the 20.05% and 21.82% improvement in horizontal bearing capacity, respectively. Test results of the study reveal a significant improvement in its performance compared to a conventional caisson. Numerical simulations are also carried out to elucidate the mechanism. Highlights: Development of a hybrid suction caisson (HSC) foundation. Foundation for next generation high-capacity offshore wind turbines (OWTs). A series of 1g model tests to evaluate performance of the novel HSC foundation. Advance 3D Numerical simulation for elucidating the mechanisms. Parametric study to explore the effects of various parameters. [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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      – Type: doi
        Value: 10.1080/1064119X.2025.2612335
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 14
        StartPage: 2080
    Subjects:
      – SubjectFull: Building foundations
        Type: general
      – SubjectFull: Bearing capacity of soils
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Testing laboratories
        Type: general
      – SubjectFull: Offshore wind power plants
        Type: general
      – SubjectFull: Digital computer simulation
        Type: general
      – SubjectFull: Renewable energy sources
        Type: general
    Titles:
      – TitleFull: Experimental and computational analysis of hybrid suction caisson foundation for next-generation offshore wind turbines.
        Type: main
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          Name:
            NameFull: Kumar, Subodh
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            NameFull: Sah, Babita
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            NameFull: Chaudhary, Babloo
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            NameFull: P. K., Akarsh
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            NameFull: Sajan, Manu K.
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            – 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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