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Numerical study of resistance and form factor of high-speed catamarans

Numerical study of resistance and form factor of high-speed catamarans
Numerical study of resistance and form factor of high-speed catamarans
Since the prediction of resistance of the full-scale ship mainly relies on extrapolation of form factor of the model, it is important to determine the form factor precisely. Nowadays, the computer performance has been developed, commercial CFD code with Reynolds-averaged Navier-Stokes Equations (RANS), which is widely accepted and used by many researchers is capable of determining resistance components. This paper presents the development and procedures for the prediction resistance components and form factor of displacement catamarans by using commercial CFD code, STAR CCM+, with SST k-ω turbulence model. The Wigley catamarans with three hull configurations including S/L = 0.2, 0.3 and 0.4 are investigated at Froude number between 0.2 and 0.8. Resistance components, which are total (CT), skin friction (CF), viscous (CV), residual (CR) and wave (CW) resistance, form factor (1+k), form resistance interference factor (β), wave resistance interference factor (τ) and wave elevation along the hull are estimated and validated against experiment retrieved from Insel (1992). The results show that CFD code with RANS equations is capable of estimating resistance components and demonstrates that form factor increases with speed (Fn).
2229-2152
11-22
Srinakaew, Sarawuth
94f81053-b6ab-4f21-b79c-05a86a350ae6
Taunton, Dominic
10bfbe83-c4c2-49c6-94c0-2de8098c648c
Hudson, Dominic
3814e08b-1993-4e78-b5a4-2598c40af8e7
Srinakaew, Sarawuth
94f81053-b6ab-4f21-b79c-05a86a350ae6
Taunton, Dominic
10bfbe83-c4c2-49c6-94c0-2de8098c648c
Hudson, Dominic
3814e08b-1993-4e78-b5a4-2598c40af8e7

Srinakaew, Sarawuth, Taunton, Dominic and Hudson, Dominic (2019) Numerical study of resistance and form factor of high-speed catamarans. Journal of Research and Applications in Mechanical Engineering, 7 (1), 11-22. (doi:10.14456/jrame.2019.2).

Record type: Article

Abstract

Since the prediction of resistance of the full-scale ship mainly relies on extrapolation of form factor of the model, it is important to determine the form factor precisely. Nowadays, the computer performance has been developed, commercial CFD code with Reynolds-averaged Navier-Stokes Equations (RANS), which is widely accepted and used by many researchers is capable of determining resistance components. This paper presents the development and procedures for the prediction resistance components and form factor of displacement catamarans by using commercial CFD code, STAR CCM+, with SST k-ω turbulence model. The Wigley catamarans with three hull configurations including S/L = 0.2, 0.3 and 0.4 are investigated at Froude number between 0.2 and 0.8. Resistance components, which are total (CT), skin friction (CF), viscous (CV), residual (CR) and wave (CW) resistance, form factor (1+k), form resistance interference factor (β), wave resistance interference factor (τ) and wave elevation along the hull are estimated and validated against experiment retrieved from Insel (1992). The results show that CFD code with RANS equations is capable of estimating resistance components and demonstrates that form factor increases with speed (Fn).

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More information

Submitted date: 25 February 2019
Accepted/In Press date: 7 May 2019
Published date: 27 June 2019

Identifiers

Local EPrints ID: 432708
URI: http://eprints.soton.ac.uk/id/eprint/432708
ISSN: 2229-2152
PURE UUID: ffe9e3da-8fd1-4ad7-9152-1fa897a7ea75
ORCID for Dominic Taunton: ORCID iD orcid.org/0000-0002-6865-089X
ORCID for Dominic Hudson: ORCID iD orcid.org/0000-0002-2012-6255

Catalogue record

Date deposited: 24 Jul 2019 16:30
Last modified: 22 Nov 2021 02:43

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Contributors

Author: Sarawuth Srinakaew
Author: Dominic Taunton ORCID iD
Author: Dominic Hudson ORCID iD

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