Minimizing the resonant behavior of the entrapped water within a moonpool is beneficial for marine operations. However, analyzing various methods for minimizing this behavior is difficult, as properly capturing the resonant behavior numerically has proven to be difficult. Traditional analyses utilizing potential flow theory have grossly overestimated the amount of amplification. This paper utilizes the advanced analysis technique of SPH (Smoothed Particle Hydrodynamics), to perform a comparison of the beneficial effects on the resonant behavior of the entrapped water by altering the moonpool geometry. Analyses are performed on a simplified drillship using forced heave oscillations.
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Using SPH to Evaluate the Effectiveness of Modifications to Moonpool Geometry
Barton D. Grasso;
Paper presented at the SNAME 23rd Offshore Symposium, Houston, Texas, February 2018.
Paper Number: SNAME-TOS-2018-004
Published: February 14 2018
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Grasso, Barton D., Wang, Wei, and Jose H. Vazquez. "Using SPH to Evaluate the Effectiveness of Modifications to Moonpool Geometry." Paper presented at the SNAME 23rd Offshore Symposium, Houston, Texas, February 2018.
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