Computational mechanics of the full-scale and model-scale roll-on, roll-off (RORO) stern ramp and experimental modal analysis of the model-scale ramp and support
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Authors
Buckley, James E.
Subjects
Advisors
Date of Issue
2001-06
Date
June 2001
Publisher
Language
Abstract
It has been determined that current stern ramp designs lack adequate structural integrity during Sea State Three roll-on, roll-off (RORO) operations. Therefore, passive isolation between the stern ramp and the roll-on, roll-off discharge facility (RRDF) is being investigated as a means of reducing ramp stress levels. A coupled hydro-structural simulation model of the combined ship- ramp-RRDF is under development in order to evaluate candidate isolator technologies. This thesis documents a thorough study of several stern ramp finite element models in order to ascertain the suitability of these models for use in the simulation model. Additionally, an experimental facility is being developed to simulate, at model scale, RORO operations. This thesis also documents the finite element analysis and experimental modal analysis of the primary structural components of the facility, specifically the scale model stern ramp and its support.
Type
Thesis
Description
Series/Report No
Department
Mechanical Engineering
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NPS Report Number
Sponsors
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Format
xx, 152 p. ; 28 cm.
Citation
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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.