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Yaakob, O. B
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Aerospace Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Effect of Internal Grids Structure on the Numerical Prediction of the Free Surface Flow around Wigley Hull Form Ahmed, Yasser M.; Yaakob, O. B; Elbatran, A. H.; Abdel-Hamed, Mohamed Walid
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 19 No 1 (2015): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v19i1.449

Abstract

Two grids with different internal mesh structure have been used to predict the incompressible free surface flow around the Wigley hull form at Fr= 0.2 and 0.267. The finite volume RANSE code Ansys CFX, which using the two-phase Eulerian-Eulerian fluid approach has been used to perform the different numerical simulations. The Shear Stress Transport (SST) turbulence models have been used in the RANSE code. Ansys Meshing and ICEM CFD grid generators have been used to generate the two unstructured tetrahedral grids for this study. The results compare well with the available experimental data for the hull resistance at the two speeds. In addition, wave patterns, pressure contours and the time required for the numerical simulations of the grids have been compared in this study.
Co-Authors Abdel-Hamed, Mohamed Walid Ahmed, Yasser M. Elbatran, A. H.