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Influence of viscous effects on the hydrodynamics of ship- like sections undergoing symmetric and anti-symmetric motions, using RANS

Quérard, Aymeric, Temarel, Pandeli and Turnock, Steve (2008) Influence of viscous effects on the hydrodynamics of ship- like sections undergoing symmetric and anti-symmetric motions, using RANS At 27th International Conference on Offshore Mechanics and Arctic Engineering. 15 - 20 Jun 2008. 10 pp.

Record type: Conference or Workshop Item (Paper)

Abstract

The aim of this investigation is to assess the influence of viscous effects on the predicted hydrodynamic coefficients for a range of ship-like sections, such as rectangular, triangular, chine and bulbous. Hydrodynamic coefficients, of added mass or inertia and fluid damping, for two-dimensional sections harmonically heaving, swaying and rolling at the undisturbed free surface are obtained using the ANSYS-CFX11.0 RANS solver, for a range of frequencies of oscillation. All predictions are compared with available experimental measurements and other numerical predictions (potential flow and RANS). It is concluded from these comparisons that the proposed RANS approach can offer a better prediction for the hydrodynamic coefficients when viscous effects become significant, in particular for sway and roll motions. It is important that a reliable and systematic approach is adopted for the application of the unsteady free surface RANS methodology.

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More information

Published date: 17 June 2008
Venue - Dates: 27th International Conference on Offshore Mechanics and Arctic Engineering, 2008-06-15 - 2008-06-20
Keywords: ship section hydrodynamics, cfd
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 52458
URI: http://eprints.soton.ac.uk/id/eprint/52458
PURE UUID: 6e25a371-c44c-492d-abc2-2322adcb3754
ORCID for Pandeli Temarel: ORCID iD orcid.org/0000-0003-2921-1242
ORCID for Steve Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 01 Jul 2008
Last modified: 17 Jul 2017 14:40

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Contributors

Author: Aymeric Quérard
Author: Pandeli Temarel ORCID iD
Author: Steve Turnock ORCID iD

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