Mechanical Excitation of Offshore Tower Model
- 1 February 1972
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of the Waterways, Harbors and Coastal Engineering Division
- Vol. 98 (1) , 35-47
- https://doi.org/10.1061/awhcar.0000142
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.Keywords
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