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Numerical model of cnoidal wave flume

The volume of fluid (VOF) method is used to set up a wave flume with an absorbing wave maker of cnoidal waves. Based on the transfer function between wave surface and paddle velocity obtained by the shallow water wave theory, the velocity boundary condition of an absorbing wave maker is introduced to absorb reflected waves that reach the numerical wave maker. For H/d ranging from 0.1 to 0.59 and T g/d from 7.9 to 18.3, the parametric studies have been carried out and compared with experiments.