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Comparison of two seakeeping prediction methods for high speed multi-hull vessels

Comparison of two seakeeping prediction methods for high speed multi-hull vessels
Comparison of two seakeeping prediction methods for high speed multi-hull vessels
A simple and convenient numerical method for the prediction of the motions of fast displacement vessels is presented. It is based on the so called two and a half dimensional (2 1 /2 D) theory where the three dimensional (3D) free-surface condition is retained but the control equation and body surface condition are treated as two dimensional (2D). The 2D transient free-surface Green function is used to formulate the integral equation on the body surface. Numerical predictions are compared with experimental results associated with a NPL catamaran ship and a trimaran ship, as well as the theoretical results derived by strip theory. In contrast to strip theory, it is found that the proposed method produces satisfactory predictions of the motion response characteristics of multi-hulled vessels at high forward speed in head sinusoidal waves.
243-250
Delft University of Technology
Duan, W.Y.
7d43b277-709c-4144-992f-9b5f7094f405
Huang, D.B.
38f3bf39-700b-4771-aecd-37f1508123e6
Hudson, D.A.
7ed38f8d-20f1-4d3e-b5cb-3a28f22847dc
Price, W.G.
b7888f47-e3fc-46f4-9fb9-7839052ff17c
Wilson, Philip A.
8307fa11-5d5e-47f6-9961-9d43767afa00
Duan, W.Y.
7d43b277-709c-4144-992f-9b5f7094f405
Huang, D.B.
38f3bf39-700b-4771-aecd-37f1508123e6
Hudson, D.A.
7ed38f8d-20f1-4d3e-b5cb-3a28f22847dc
Price, W.G.
b7888f47-e3fc-46f4-9fb9-7839052ff17c
Wilson, Philip A.
8307fa11-5d5e-47f6-9961-9d43767afa00

Duan, W.Y., Huang, D.B., Hudson, D.A. and Price, W.G. (2001) Comparison of two seakeeping prediction methods for high speed multi-hull vessels. Wilson, Philip A. (ed.) In FAST 2001: Sixth International Conference on Fast Sea Transportation. vol. 2, Delft University of Technology. pp. 243-250 . (doi:10.3940/rina.ft.2001).

Record type: Conference or Workshop Item (Paper)

Abstract

A simple and convenient numerical method for the prediction of the motions of fast displacement vessels is presented. It is based on the so called two and a half dimensional (2 1 /2 D) theory where the three dimensional (3D) free-surface condition is retained but the control equation and body surface condition are treated as two dimensional (2D). The 2D transient free-surface Green function is used to formulate the integral equation on the body surface. Numerical predictions are compared with experimental results associated with a NPL catamaran ship and a trimaran ship, as well as the theoretical results derived by strip theory. In contrast to strip theory, it is found that the proposed method produces satisfactory predictions of the motion response characteristics of multi-hulled vessels at high forward speed in head sinusoidal waves.

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More information

Published date: 1 September 2001
Venue - Dates: Proceedings of the 6th International Conference on Fast Sea Transportation,: FAST 2001, The Royal Institution of Naval Architects, Southampton, United Kingdom, 2001-09-04 - 2001-09-06
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 21797
URI: http://eprints.soton.ac.uk/id/eprint/21797
PURE UUID: 665ceb50-3b6f-4a2b-9898-3c1c9faf5892
ORCID for Philip A. Wilson: ORCID iD orcid.org/0000-0002-6939-682X

Catalogue record

Date deposited: 05 Jun 2006
Last modified: 11 Jun 2024 01:32

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Contributors

Author: W.Y. Duan
Author: D.B. Huang
Author: D.A. Hudson
Author: W.G. Price

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