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Numerical study of local scour around bridge piers

IOP conference series. Earth and environmental science, 2018-05, Vol.151 (1), p.12013 [Peer Reviewed Journal]

Published under licence by IOP Publishing Ltd ;2018. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1755-1307 ;EISSN: 1755-1315 ;DOI: 10.1088/1755-1315/151/1/012013

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  • Title:
    Numerical study of local scour around bridge piers
  • Author: Omara, H ; Tawfik, A
  • Subjects: Bridge piers ; Cross-sections ; Mathematical models ; Morphology ; Numerical models ; Piers ; Sediment transport ; Three dimensional flow ; Three dimensional models
  • Is Part Of: IOP conference series. Earth and environmental science, 2018-05, Vol.151 (1), p.12013
  • Description: Numerical models have more flexibility avoiding the critical limitation in physical ones. The predictive capability of the hydro-morphological model around bridge piers in clear-water conditions have been investigated using mathematical modelling flow 3D 11.2 as there is a lack in using that model. The objective of the study to investigate the effect of cross section of the pier on the predictive capability of the model. Computations has been performed and the results are compared with several sets of experimental data available in the literature. The Van Rijn sediment transport model and (RNG) k-ε model are used. However, this study strongly demonstrates that a 3D hydro-morphological model can effectively predict the scour around piers with different cross section, there is significantly under predicts for the scour depth at the nose of the pier with different pier shapes. It is found that for the circular pier the capability of the model depending on the flow properties not only the geometry of the pier.
  • Publisher: Bristol: IOP Publishing
  • Language: English
  • Identifier: ISSN: 1755-1307
    EISSN: 1755-1315
    DOI: 10.1088/1755-1315/151/1/012013
  • Source: Open Access: IOP Publishing Free Content
    IOPscience (Open Access)
    Alma/SFX Local Collection
    ProQuest Central
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