Hydrodynamic performance of solid and porous heave plates |
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Authors: | Longbin Tao Daniel Dray |
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Affiliation: | aGriffith School of Engineering, Griffith University, PMB50 GCMC, Qld 9726, Australia |
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Abstract: | Heave plates have been widely utilized in floating offshore structures as they can provide additional damping and added mass to improve the hydrodynamic response of the system. This study investigates the hydrodynamic characteristics (added mass and damping) of oscillatory solid or porous disks using model scale experiments. All experiments were conducted via forced oscillation model tests using a planar motion mechanism (PMM). The hydrodynamic coefficients of the solid or porous disk obtained from the force measurements are analysed and presented. The sensitivities of the damping and added mass coefficients to both motion amplitude and the disk porosity are examined. |
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Keywords: | Heave plate Vortex shedding Damping Added mass Planar motion mechanism |
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