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Time domain non linear strip theory for ship motions

Record type: Article

A new implementation of strip theory is proposed based on the strip theory by Salvesen, et al. [1] and early work by Westlake and Wilson [2]. Compared with traditional strip theory, the main difference is that the calculation is carried out in the time domain. This makes it possible to cope with relatively large-amplitude motions and non-constant forward speed problems.
At each time step, the exact underwater sections are extracted; the velocity potential is required to satisfythis instantaneous body boundary condition, therefore the added mass, damping coefficients and exciting forces are timevariant, which produce a non-linearity. The diffraction force is added to work ofWestlake and Wilson, and the results show the effect of diffraction force is significant.

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Citation

Fan, Y.T. and Wilson, P.A. (2004) Time domain non linear strip theory for ship motions The Transactions of the Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering, 146, (3), pp. 33-47. (doi:10.3940/rina.ijme.2004.a3.3404).

More information

Published date: 2004
Additional Information: IJME3404

Identifiers

Local EPrints ID: 22706
URI: http://eprints.soton.ac.uk/id/eprint/22706
ISSN: 1479-8751
PURE UUID: 327bb261-de87-479a-af9b-451d6ab79476
ORCID for P.A. Wilson: ORCID iD orcid.org/0000-0002-6939-682X

Catalogue record

Date deposited: 22 Mar 2006
Last modified: 17 Jul 2017 16:21

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