A design procedure for seakeeping analysis of close proximity ship towing
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Authors
Okan, Orhan Barbaros
Subjects
Advisors
Papoulias, Fotis A.
Date of Issue
2002-03
Date
Publisher
Monterey, Calif. Naval Postgraduate School
Language
Abstract
The purpose of this thesis is to develop an efficient analysis and design procedure for assessing the seakeeping behavior of surface ships in close proximity towing. The problem is formulated by using the heave and pitch equations of motion in regular waves. The vertical plane relative motions between the trailing and the leading ships are matched through the speed-resistance characteristics of the trailing ship. A sea state degradation factor is introduced. This factor characterizes the expected seakeeping performance penalty resulting from the connection. A series of parametric studies is conducted for various geometric properties and environmental characteristics. The results can be used to evaluate the response of the system and provide insight into parameter selection for motion minimization.
Type
Thesis
Description
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Format
xiii, 97 p. : ill. (some col.) ;
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
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Copyright is reserved by the copyright owner.