Parametric study of the stability of towed ships
Authors
Kolthoff, David Lee
Subjects
Towing
Stability
Ship motions
Stability
Ship motions
Advisors
Papoulias, Fotis A.
Date of Issue
1989-06
Date
June 1989
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
Several accidents in towing operations of barges or disabled ships in restricted and open waters have made necessary the investigation of the course keeping stability of towed vessels. In this work a non-linear mathematical model is used to simulate the slow surge, sway, and yaw motions of a vessel towed by a heavy catenary towline. The effect of geometric parameters of the system on the stability of equilibrium configurations is analyzed.
It is shown that for certain choices of towing system parameters, dynamic loss of stability may occur which results in qualitatively different asymptotic response. The results of this study
identify regions in the parameter space that lead to either safe operations or hazardous system response.
Type
Thesis
Description
Series/Report No
Department
Mechanical Engineering
Organization
Naval Postgraduate School (U.S.)
Identifiers
NPS Report Number
Sponsors
Funder
Format
43 p.
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.