Diffraction Patterns Near Narrow Breakwater Gaps

Abstract
Dimensionless presentations of wave diffraction through a narrow breakwater gap have been computed from the analytical solution of Morse and Rubenstein. Particular attention is given to narrow gaps, typical of smaller harbors, and to the wave field near the gap, where available details are approximate and most sparse. These solutions are compared with frequently‐used approximate solutions from superposition of partial Sommerfeld solutions for a semi‐infinite breakwater. The superposition approximation is extended to angled incidence for wide breakwater gaps and generally to non‐aligned breakwaters.

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