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Numerical analysis on free surface waves and stern viscous flow of a ship model

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Abstract

This paper deals with numerical techniques for computing the viscous flow past a ship hull with and without a free surface using a Reynolds-averaged Navier-Stokes solver with global conservation. In the first technique, a coarse grid is used to find an approximate solution to the free surface problem. Interpolation of a fine grid is subsequently carried out, and a more exact solution, particularly in the boundary layer and wake, is obtained. In the second technique, a modified Baldwin-Lomax model is introduced to compute the viscous flow with and without a free surface. These numerical techniques are applied to simulations of the flow around a Series 60 and an SR196C ship model. The results are compared with measurement data, and the usefulness of the numerical techniques is demonstrated.

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Shiotani, S., Kodama, Y. Numerical analysis on free surface waves and stern viscous flow of a ship model. J Mar Sci Technol 3, 130–144 (1998). https://doi.org/10.1007/BF02492920

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