時間領域におけるTransient Waveの造波・吸収法について(<特集>海事研究の基盤としての研究施設)

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This paper deals with the transient wave making and absorbing method in the 3-dimensional wave basin in time domain. The generation method of transient waves such as concentrated waves in 2-dimensinal wave basin has been developed and used for various model experiments so far. However the generation method of transient waves in 3-dimensional wave basin has not been reported. This paper describes the method to generate 3-dimensional concentrated waves at intended point and intended moment. This method can be applied to generate waves which have intended wave height time series. Also it can be applied to make letters or patterns on water surface. The wave absorbing method in time domain is also shown in this paper. The basic idea of wave absorbing method is to control wave flap to reduce relative velocity of wave flap and incident wave on that flap. The wave making and absorbing tests at model basin which has been surrounded by multi-segmented wave maker were carried out. The results of these tests show good agreement with theoretical estimations.
独立行政法人海上技術安全研究所の論文
2009-09-28