期刊
出版社
ROYAL SOC
DOI: 10.1098/rspa.2014.0698
关键词
water waves; wave scattering; wave-structure interactions
资金
- Collaborative & Innovative Technology Program in Exploration and Production of Hydrocarbons
- Total
- Saipem
- Doris Engineering
- Australian Research Council [DE130101571]
- Australian Antarctic Science Grant Program [4123]
- Norwegian Research Council
- Total E&P (WIFAR project)
- US Office of Naval Research [N62909-14-1-N010]
- European Commission (FP7 project SWARP)
An experimental validation of theoretical models of regular-water-wave transmission through arrays of floating discs is presented. The experiments were conducted in a wave basin. The models are based on combined potential-flow and thin-plate theories, and the assumption of linear motions. A low-concentration array, in which discs are separated by approximately a disc diameter in equilibrium, and a high-concentration array, in which adjacent discs are almost touching in equilibrium, were used for the experiments. The proportion of incident-wave energy transmitted by the discs is presented as a function of wave period, and for different wave amplitudes. Results indicate the models predict wave-energy transmission accurately for small-amplitude waves and low-concentration arrays. Discrepancies for large-amplitude waves and high-concentration arrays are attributed to wave overwash of the discs and collisions between discs. Validation of model predictions of a solitary disc's rigid-body motions are also presented.
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