Numerical Investigation of Swimmer’s Gliding Stage with 6-DOF Movement

Tianzeng Li, Wenhao Cai and Jiemin Zhan

PLOS ONE, 2017, vol. 12, issue 1, 1-17

Abstract: The purpose of this study is to analyze the motion status of swimmers during their gliding stage using a numerical simulation method. This simulation strategy is conducted by solving the 3D incompressible Navier-Stokes equations using the Realizable k-ε turbulence closure equations in combination with the Six Degrees of Freedom (6-DOF) method. The uneven mass distribution of a swimmer and the roughness of the surface of the body are taken into consideration. The hydrodynamic characteristics and movement characteristics of the swimmers at different launch speeds were analyzed. The calculated results suggest that an optimal instant for starting propulsive movement is when the velocity of the swimmer decreases by 1.75 m/s to 2.0 m/s from an initial horizontal velocity of 3.1 m/s to 3.5 m/s.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0170894

DOI: 10.1371/journal.pone.0170894

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