<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The purpose of this study is to estimate the wave height at the front face of breakwater (Refracted breakwater and Straight breakwater), when dredging like the submarine pit is performed in the distant offshore from outer breakwater. The wave field of the problem is considered to be two dimensional planes and the configuration of the pit region is designated by a single horizontal long-rectangular system. The numerical approach uses the Green function based on the boundary integral approach. The results of the present numerical works are illustrated by applying the normal and inclined incidence. It is shown that in the case of normal incidence, the ratio of wave height reduction at the front face of both types of breakwaters is approximately more than 20% due to the effect of the submarine pit on the sea bed. Furthermore, regardless of the type of breakwater and the difference in incident wave angles, the ratio of wave height was shown to be reduced.</p></abstract>

The purpose of this study is to estimate the wave height at the front face of breakwater (Refracted breakwater and Straight breakwater), when dredging like the submarine pit is performed in the distant offshore from outer breakwater. The wave field of the problem is considered to be two dimensional planes and the configuration of the pit region is designated by a single horizontal long-rectangular system. The numerical approach uses the Green function based on the boundary integral approach. The results of the present numerical works are illustrated by applying the normal and inclined incidence. It is shown that in the case of normal incidence, the ratio of wave height reduction at the front face of both types of breakwaters is approximately more than 20% due to the effect of the submarine pit on the sea bed. Furthermore, regardless of the type of breakwater and the difference in incident wave angles, the ratio of wave height was shown to be reduced.

Boundary element modelling of wave diffraction by interaction with wave-offshore structure and dredged region

Polish Maritime Research

The purpose of this study is to estimate the wave height at the front face of breakwater (Refracted breakwater and Straight breakwater), when dredging like the...

Boundary element modelling of wave diffraction by interaction with wave-offshore structure and dredged region

Published Online: Nov 22, 2010

Page range: 67 - 71

DOI: https://doi.org/10.2478/v10012-010-0020-5

Keywords
Submarine pit, Green function, boundary integral approach, breakwater

This content is open access.

Boundary element modelling of wave diffraction by interaction with wave-offshore structure and dredged region

Published Online: Nov 22, 2010

Page range: 67 - 71

DOI: https://doi.org/10.2478/v10012-010-0020-5

KeywordsSubmarine pit, Green function, boundary integral approach, breakwater

This content is open access.

Keywords
Submarine pit, Green function, boundary integral approach, breakwater