A validated DEM modelling framework on plate and pile penetrations in a double-layer scour protection system.
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| Title: | A validated DEM modelling framework on plate and pile penetrations in a double-layer scour protection system. |
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| Authors: | Shi, Hao1 (AUTHOR) h.shi-3@tudelft.nl, Cengiz, Cihan2 (AUTHOR), Macaro, Giulia2 (AUTHOR), Martinelli, Mario2,3 (AUTHOR), Jovanova, Jovana1 (AUTHOR), Schott, Dingena1 (AUTHOR) |
| Source: | Ocean Engineering. Mar2025, Vol. 319, pN.PAG-N.PAG. 1p. |
| Subjects: | Discrete element method, Rock testing, Wind turbines, Test validity, Ocean bottom |
| Abstract: | Monopiles are the dominant foundation type for offshore wind turbines, accounting for approximately 80% of the installed capacity. Installing offshore monopile foundations on seabeds susceptible to scour erosion requires monopiles to penetrate several pre-installed scour protection rock layers before securing them into the seabed. The accurate prediction of the pile penetration resistance is crucial to ensure successful monopile installations. To complement, and potentially reduce the dependence on the costly and labour-intensive experimental small-scale penetration tests, a numerical model has been developed using the Discrete Element Method (DEM) that captures the discrete nature of interactions between rocks and piles and predicts the resistance during the penetration process. The developed DEM model includes armour and filter rocks represented by multispheres and sand particles represented by spheres. A multistage calibration, verification and validation DEM modelling framework is proposed and examined with small-scale penetration tests conducted using plates and piles in a double-layer scour protection configuration. The sand material model is calibrated and verified using penetrometer tests and the rock material models are calibrated and verified using a plate penetration test. The DEM model with three verified materials predicts the penetration resistance well in small-scale pile penetration tests and proves the validity of the proposed framework. The DEM model presented in this paper facilitates the modelling in areas where traditional continuum-based numerical methods give less accurate predictions and provide insights that are difficult or nearly impossible to obtain through experimental methods. • A novel DEM modelling framework is proposed for penetration in scour protection layers. • Various experiments are used for multistage DEM model calibration, verification and validation. • Scour protection rocks and sand are modelled using multispheres and spheres, respectively. • Different optimisation methods are deployed to calibrate the unknown model parameters. • The calibrated DEM model predicts well the penetration behaviours of different geometries. [ABSTRACT FROM AUTHOR] |
| Copyright of Ocean Engineering is the property of Pergamon Press - An Imprint of Elsevier Science 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 |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 182772713 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: A validated DEM modelling framework on plate and pile penetrations in a double-layer scour protection system. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Shi%2C+Hao%22">Shi, Hao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> h.shi-3@tudelft.nl</i><br /><searchLink fieldCode="AR" term="%22Cengiz%2C+Cihan%22">Cengiz, Cihan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Macaro%2C+Giulia%22">Macaro, Giulia</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Martinelli%2C+Mario%22">Martinelli, Mario</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jovanova%2C+Jovana%22">Jovanova, Jovana</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schott%2C+Dingena%22">Schott, Dingena</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Ocean+Engineering%22">Ocean Engineering</searchLink>. Mar2025, Vol. 319, pN.PAG-N.PAG. 1p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Discrete+element+method%22">Discrete element method</searchLink><br /><searchLink fieldCode="DE" term="%22Rock+testing%22">Rock testing</searchLink><br /><searchLink fieldCode="DE" term="%22Wind+turbines%22">Wind turbines</searchLink><br /><searchLink fieldCode="DE" term="%22Test+validity%22">Test validity</searchLink><br /><searchLink fieldCode="DE" term="%22Ocean+bottom%22">Ocean bottom</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Monopiles are the dominant foundation type for offshore wind turbines, accounting for approximately 80% of the installed capacity. Installing offshore monopile foundations on seabeds susceptible to scour erosion requires monopiles to penetrate several pre-installed scour protection rock layers before securing them into the seabed. The accurate prediction of the pile penetration resistance is crucial to ensure successful monopile installations. To complement, and potentially reduce the dependence on the costly and labour-intensive experimental small-scale penetration tests, a numerical model has been developed using the Discrete Element Method (DEM) that captures the discrete nature of interactions between rocks and piles and predicts the resistance during the penetration process. The developed DEM model includes armour and filter rocks represented by multispheres and sand particles represented by spheres. A multistage calibration, verification and validation DEM modelling framework is proposed and examined with small-scale penetration tests conducted using plates and piles in a double-layer scour protection configuration. The sand material model is calibrated and verified using penetrometer tests and the rock material models are calibrated and verified using a plate penetration test. The DEM model with three verified materials predicts the penetration resistance well in small-scale pile penetration tests and proves the validity of the proposed framework. The DEM model presented in this paper facilitates the modelling in areas where traditional continuum-based numerical methods give less accurate predictions and provide insights that are difficult or nearly impossible to obtain through experimental methods. • A novel DEM modelling framework is proposed for penetration in scour protection layers. • Various experiments are used for multistage DEM model calibration, verification and validation. • Scour protection rocks and sand are modelled using multispheres and spheres, respectively. • Different optimisation methods are deployed to calibrate the unknown model parameters. • The calibrated DEM model predicts well the penetration behaviours of different geometries. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Ocean Engineering is the property of Pergamon Press - An Imprint of Elsevier Science 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: 10.1016/j.oceaneng.2024.120222 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 1 StartPage: N.PAG Subjects: – SubjectFull: Discrete element method Type: general – SubjectFull: Rock testing Type: general – SubjectFull: Wind turbines Type: general – SubjectFull: Test validity Type: general – SubjectFull: Ocean bottom Type: general Titles: – TitleFull: A validated DEM modelling framework on plate and pile penetrations in a double-layer scour protection system. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Shi, Hao – PersonEntity: Name: NameFull: Cengiz, Cihan – PersonEntity: Name: NameFull: Macaro, Giulia – PersonEntity: Name: NameFull: Martinelli, Mario – PersonEntity: Name: NameFull: Jovanova, Jovana – PersonEntity: Name: NameFull: Schott, Dingena IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 03 Text: Mar2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 00298018 Numbering: – Type: volume Value: 319 Titles: – TitleFull: Ocean Engineering Type: main |
| ResultId | 1 |
