Abstract
This paper presents the hydrodynamic coefficient analysis for jack-up platform. Influencing factors of scale ratio, rack and incident angle are studied to explore the relations between the influencing factors and hydrodynamic coefficients. Wave tank test is introduced to carry out the hydrodynamic experiments. Test platform was set up in the wave flume, where wave and current load in different flow velocity, wave height and period combination can be simulated. Various experimental models are manufactured according to the influencing factors. The data was collected by using strain transducer and six-dimensional force sensor, which could measure the wave and current load. Based on Morison equation, hydrodynamic coefficients under different experimental conditions were obtained by analyzing the experiment data. Furthermore, the relationships between the influencing factors and hydrodynamic coefficient are discussed. Results show that scale ratio, rack and incident angle have great effect on the hydrodynamic characteristic for jack-up platform.
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