Research Article
Feb 1972
Mechanical Excitation of Offshore Tower Model
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VIEW THE REPLYPublication: Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 98, Issue 1
Abstract
A large scale model of a bottom-pivoted, surface-piercing, cylindrical oil-drilling platform was built to obtain experimental data on hydrodynamic coefficients applicable to the structure. The wave force on the structure was simulated by a mechanical device in still water. Thus, the number of variables to calculate the drag and added mass coefficients associated with the structure for use in conjunction with the Morison Equation was reduced. For instance, water particle velocity and acceleration were eliminated from the equation. Test runs were made at different simulated sea conditions. Consistent drag and added mass coefficients were obtained using various data reduction techniques.
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Information & Authors
Information
Published In
Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 98 • Issue 1 • February 1972
Pages: 35 - 47
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Feb 1972
Published online: Feb 12, 2021
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Authors
Affiliations
Charles P. Rains
Research Engr., Marine Research & Development, Chicago Bridge & Iron Co., Plainfield, Ill.
Subrata K. Chakrabarti
Head, Analytical Group, Marine Research & Development, Chicago Bridge & Iron Co., Plainfield, Ill.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.