Time domain non linear strip theory for ship motions
Fan, Y.T. and Wilson, P.A. (2004) Time domain non linear strip theory for ship motions. Royal Institution of Naval Architects Transactions A: International Journal of Maritime Engineering, 146, (3), 33-47. (doi:10.3940/rina.ijme.2004.a3.3404).
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Description/Abstract
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.
| Item Type: | Article |
|---|---|
| Additional Information: | IJME3404 |
| ISSNs: | 1479-8751 (print) |
| Related URLs: | |
| Subjects: | V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences |
| Item ID: | 22706 |
| Date Deposited: | 22 Mar 2006 |
| Last Modified: | 28 Jun 2012 09:56 |
| Contributors: | Fan, Y.T. (Author) Wilson, P.A. (Author) |
| Date: | 2004 |
| Additional Information: | IJME3404 |
| Status: | Published |
| Contact Email Address: | P.A.Wilson@ship.soton.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/22706 |
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