Faraday waves in a rectangular reservoir with local bottom irregularities

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Abstract
The results of laboratory experiments on the evaluation of the bottom topography effect on the frequencies and shapes of standing surface waves in a rectangular reservoir oscillating in the vertical direction are presented. The effect of one or two elevations on the horizontal bottom and on a linear shallow is considered in detail. A shift of the resonance dependence with variation in the location of an obstacle on a linear sloping bottom is experimentally investigated. The experimental data are interpreted within the framework of a mathematical seiche model in the case of steep elevation based on the accelerated convergencemethod.