Abstract
This paper presents the solutions of the boundary element method (BEM) for the potential flow problem associated with the diffraction of oblique waves by a horizontal cylinder of infinite length on a free surface. This physical model usually has its direct applications in engineering, such as in strip theory. The mathematical model for this problem is a 2D Helmholtz equation, whose BEM formulation involves kernels in the form of modified Bessel functions. The application to this problem is among the first for this method. The diffraction forces and moment for a fixed rectangular cylinder have been calculated and compared with the existing results of K.J. Bai, as an illustration of the effectiveness of the developed BEM code. The paper also compares results obtained using constant and linear elements.
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