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Scale effects and full-scale ship hydrodynamics: a review

Scale effects and full-scale ship hydrodynamics: a review
Scale effects and full-scale ship hydrodynamics: a review

Historically, the field of naval architecture has relied on a combination of model testing and scaling laws, known as extrapolation procedures, to predict full-scale power requirements. Numerous problems with extrapolation procedures were identified almost as soon as they were proposed, but since there were no alternative scaling laws their use persisted. This review article explores the cause of these uncertainties, the attempts to circumvent or correct them, and the current efforts to reduce and even eliminate the need for extrapolation of ship resistance through the use of full-scale Computational Fluid Dynamics. We find that while there are a number of developments and accomplishments in achieving robust and reliable full-scale numerical simulation, the research community is not yet ready to replace experimentation and extrapolation. The principal bottlenecks are the availability of open full-scale data, including ship geometries, and computational power to predict full-scale flows with the necessary accuracy.

CFD, Full-scale ship hydrodynamics, Scale effects, Ship hydrodynamics
0029-8018
Terziev, Momchil
938f71d0-02b5-414c-8c2d-9cca8cc87397
Tezdogan, Tahsin
7e7328e2-4185-4052-8e9a-53fd81c98909
Incecik, Atilla
25a12ee2-7ba6-47cf-af5d-a79de4c6a2c4
Terziev, Momchil
938f71d0-02b5-414c-8c2d-9cca8cc87397
Tezdogan, Tahsin
7e7328e2-4185-4052-8e9a-53fd81c98909
Incecik, Atilla
25a12ee2-7ba6-47cf-af5d-a79de4c6a2c4

Terziev, Momchil, Tezdogan, Tahsin and Incecik, Atilla (2022) Scale effects and full-scale ship hydrodynamics: a review. Ocean Engineering, 245, [110496]. (doi:10.1016/j.oceaneng.2021.110496).

Record type: Review

Abstract

Historically, the field of naval architecture has relied on a combination of model testing and scaling laws, known as extrapolation procedures, to predict full-scale power requirements. Numerous problems with extrapolation procedures were identified almost as soon as they were proposed, but since there were no alternative scaling laws their use persisted. This review article explores the cause of these uncertainties, the attempts to circumvent or correct them, and the current efforts to reduce and even eliminate the need for extrapolation of ship resistance through the use of full-scale Computational Fluid Dynamics. We find that while there are a number of developments and accomplishments in achieving robust and reliable full-scale numerical simulation, the research community is not yet ready to replace experimentation and extrapolation. The principal bottlenecks are the availability of open full-scale data, including ship geometries, and computational power to predict full-scale flows with the necessary accuracy.

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Accepted/In Press date: 29 December 2021
e-pub ahead of print date: 6 January 2022
Published date: 1 February 2022
Additional Information: Funding Information: The authors are grateful to the International Conference on Postgraduate Research in Maritime Technology 2021 (PostGradMarTec 2021) organised by the Confederation of European Maritime Technology Societies for allowing the presentation of a short version of this paper entitled ‘A short review of scale effects in ship hydrodynamics with emphasis on CFD applications’ between 3rd – 4th November 2021. The full text of the short version of this paper may be accessed via the University of Strathclyde repository, Pure, using the following link: https://pureportal.strath.ac.uk/en/publications/a-short-review-of-scale-effects-in-ship-hydrodynamics-with-emphas. Publisher Copyright: © 2022 Elsevier Ltd
Keywords: CFD, Full-scale ship hydrodynamics, Scale effects, Ship hydrodynamics

Identifiers

Local EPrints ID: 473904
URI: http://eprints.soton.ac.uk/id/eprint/473904
ISSN: 0029-8018
PURE UUID: 7b275ef0-99bd-410f-a85d-d1fa6f04f0f9
ORCID for Tahsin Tezdogan: ORCID iD orcid.org/0000-0002-7032-3038

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Date deposited: 02 Feb 2023 17:46
Last modified: 18 Mar 2024 05:30

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Contributors

Author: Momchil Terziev
Author: Tahsin Tezdogan ORCID iD
Author: Atilla Incecik

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