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Alexander Brian Phillips and Stephen Richard Turnock Application of the VORTFIND algorithm for the identification of vortical flow features around complex three-dimensional geometries International Journal for Numerical Methods in Fluids 71

Version of Record online: 27 JUL 2012 | DOI: 10.1002/fld.3720

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An improved version of the VORTFIND algorithm, which can identify multiple vortices of variable strength and rotational direction using a K-means algorithm is described. The algorithm is applied to velocity fields generated from Reynolds averaged Navier–Stokes simulations to increase the mesh resolution in the vortex core region, ensuring sufficient mesh density to capture the downstream propagation of the vortex for a submarine hull at drift and ship propeller–rudder interaction.

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