Abstract
To analyze the wave reflection and transmission from slit type structures, it is indispensable to estimate energy loss at slits. Several methods estimating energy loss have been proposed. However, most of the configurations have been treated are uniform shaped structures such as a row of cylinders.
Recently, structures of non-uniform configuration are often constructed as, say, seawater exchangeable breakwaters. Therefore, it is necessary to construct a new method suitable for non-uniform shaped structures. In the present study, a concept of complex blockage coefficient is adopted in the Boundary Integral Method, BIM, with some modification. Comparison of the BIM-results with experimental results and numerical results by the Volume Of Fluid method, VOF, shows the validity of the present method.