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3D numerical simulation of flow field around twin piles

  • Research Article - Hydrology
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Abstract

In this study to identify the flow pattern and local scour mechanism around pile groups, the flow field was simulated using FLOW-3D software. A pair of pile on a flat-bed channel with side by side and tandem arrangements was investigated. To establish Navier–Stokes equations, the RNGk-ε turbulence model was used and the results were verified using experimental data. In case of FLOW-3D capability, it was found that the software was able to properly simulate the expected interaction between the pile groups. The results of flow field simulation showed that Reynolds number and the pile spacing are the most influential variables in forming vortices. The flow around tandem pile and the downward flow around wake vortices were more intense and complicate in comparison with side by side arrangements and single pile.

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Authors and Affiliations

  1. Kurdistan Agricultural and Natural Resources Research and Education Center, AREEO, Sanandaj, Iran

    Ata Amini

  2. Dept. of Civil Eng., Faculty of Engineering, Razi University, Kermansha, Iran

    Akram Asadi Parto

Authors
  1. Ata Amini
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  2. Akram Asadi Parto
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Correspondence to Ata Amini.

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Amini, A., Parto, A.A. 3D numerical simulation of flow field around twin piles. Acta Geophys. 65, 1243–1251 (2017). https://doi.org/10.1007/s11600-017-0094-x

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  • DOI: https://doi.org/10.1007/s11600-017-0094-x

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