3D mathematical modelling of scour around a circular pile in
                current

Andreas Roulund; B. Mutlu Sumer; Jørgen Fredsøe; Jess A. Michelsen

3D mathematical modelling of scour around a circular pile in current

Andreas Roulund, B. Mutlu Sumer, Jørgen Fredsøe, Jess A. Michelsen

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Abstract

This paper deals with scour around a circular pile exposed to a steady current. A 3D numerical model incorporated with the k-w,SST closure coupled with the sediment-continuity equation and a bedload sediment transport formula has been used to predict the scour. 3D calculations have also been carried out for a plane rigid bottom for reference purpose. The predicted flow features are apparently in fairly good agreement with the experimental data. Early calculations indicate that the model is able to predict the scour properties satisfactorily in the initial stages of the scour process, up to scour depth of 0.6-0.7 times the pile diameter. Calculations that describe the entire scour process (including the equilibrium stage) are underway.

Original language	English
Title of host publication	River Sedimentation - Theory and Application
Place of Publication	Rotterdam
Publisher	CRC Press/Balkema
Publication date	1999
Pages	131-138
Publication status	Published - 1999
Event	Seventh International Symposium on River Sedimentation - Hong Kong, China Duration: 16 Dec 1998 → 18 Dec 1998

Conference

Conference	Seventh International Symposium on River Sedimentation
Country/Territory	China
City	Hong Kong
Period	16/12/1998 → 18/12/1998

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Cite this

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title = "3D mathematical modelling of scour around a circular pile in current",

abstract = "This paper deals with scour around a circular pile exposed to a steady current. A 3D numerical model incorporated with the k-w,SST closure coupled with the sediment-continuity equation and a bedload sediment transport formula has been used to predict the scour. 3D calculations have also been carried out for a plane rigid bottom for reference purpose. The predicted flow features are apparently in fairly good agreement with the experimental data. Early calculations indicate that the model is able to predict the scour properties satisfactorily in the initial stages of the scour process, up to scour depth of 0.6-0.7 times the pile diameter. Calculations that describe the entire scour process (including the equilibrium stage) are underway.",

author = "Andreas Roulund and Sumer, {B. Mutlu} and J{\o}rgen Freds{\o}e and Michelsen, {Jess A.}",

year = "1999",

language = "English",

pages = "131--138",

booktitle = "River Sedimentation - Theory and Application",

publisher = "CRC Press/Balkema",

note = "Seventh International Symposium on River Sedimentation ; Conference date: 16-12-1998 Through 18-12-1998",

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TY - GEN

T1 - 3D mathematical modelling of scour around a circular pile in current

AU - Roulund, Andreas

AU - Sumer, B. Mutlu

AU - Fredsøe, Jørgen

AU - Michelsen, Jess A.

PY - 1999

Y1 - 1999

N2 - This paper deals with scour around a circular pile exposed to a steady current. A 3D numerical model incorporated with the k-w,SST closure coupled with the sediment-continuity equation and a bedload sediment transport formula has been used to predict the scour. 3D calculations have also been carried out for a plane rigid bottom for reference purpose. The predicted flow features are apparently in fairly good agreement with the experimental data. Early calculations indicate that the model is able to predict the scour properties satisfactorily in the initial stages of the scour process, up to scour depth of 0.6-0.7 times the pile diameter. Calculations that describe the entire scour process (including the equilibrium stage) are underway.

AB - This paper deals with scour around a circular pile exposed to a steady current. A 3D numerical model incorporated with the k-w,SST closure coupled with the sediment-continuity equation and a bedload sediment transport formula has been used to predict the scour. 3D calculations have also been carried out for a plane rigid bottom for reference purpose. The predicted flow features are apparently in fairly good agreement with the experimental data. Early calculations indicate that the model is able to predict the scour properties satisfactorily in the initial stages of the scour process, up to scour depth of 0.6-0.7 times the pile diameter. Calculations that describe the entire scour process (including the equilibrium stage) are underway.

M3 - Article in proceedings

SP - 131

EP - 138

BT - River Sedimentation - Theory and Application

PB - CRC Press/Balkema

CY - Rotterdam

T2 - Seventh International Symposium on River Sedimentation

Y2 - 16 December 1998 through 18 December 1998

ER -