| 摘 要： | The diffraction problem of two kinds of shallow water wave,cnoidal wave and solita.wave, around a group of cylinders is discussed. A Bessel corrdinate transformation (?)employed to uniform the coordinate system, and thus the boundary condition on eachcylinder＇s surface can be satisfied by determining the coefficients in the solution.Severalexamples are calculated for two kinds of incident wave and various arrangement of thecylinders,and the results are discussed and compared with the available experimental data.
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