Evaluation of Relative Motions between Closely Spaced Vessels in Bidirectional Irregular Waves
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 130, Issue 1
Abstract
A hydrodynamic analysis has been conducted to assess the potential impact of the sea state on cargo transfer operations in simultaneous sea and swell waves incident from distinct directions. An interactive tool has been developed that allows parameter variation and provides an immediate graphical presentation of the data. This note presents some typical results for relative vertical velocity between two of the vessels in the form of surface and polar plots. These graphical representations clearly display the effects of shielding and other complex hydrodynamic interactions among the vessels in a seaway.
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References
Century Dynamics Ltd. (2001). User’s manual for Atkins Quantitative Wave Analysis (AQWA) suite, 〈http://www.century-dynamics.co.uk/software/aqwa.htm〉 (October 2002).
Lewandowski, E. M. (2002). Computation of vessel motion statistics in combined wave spectra: Enhanced motion analysis of T-ACS, lighter and containership combinations, Advanced Marine Center, Computer Sciences Corporation, Arlington, Va.
McCreight, K. K. (1998). “A note on selection of wave spectra for design evaluation.” Research and Development Rep. CRDKNSWC-HD-974-02, Carderock Division Naval Research and Development Center, Naval Surface Warfare Center, Bethesda, Md.
Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 130 • Issue 1 • January 2004
Pages: 58 - 61
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Oct 22, 2002
Accepted: Jul 11, 2003
Published online: Dec 15, 2003
Published in print: Jan 2004
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