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Reflection of irregular waves from perforated-wall caisson breakwaters

DC Field Value Language
dc.contributor.authorSuh, Kyung Doug-
dc.contributor.authorChoi, Jae Chun-
dc.contributor.authorKim, Bum Hyoung-
dc.contributor.authorPark, Woo Suh-
dc.contributor.authorLee, Kil Seong-
dc.date.accessioned2010-06-14T07:07:22Z-
dc.date.available2010-06-14T07:07:22Z-
dc.date.issued2001-
dc.identifier.citationCoastal Engineering, 44, 141-151en
dc.identifier.issn0378-3839-
dc.identifier.urihttps://hdl.handle.net/10371/67663-
dc.descriptionauthor's final versionen
dc.description.abstractAn analytical model has been developed that predicts the reflection of irregular waves normally incident upon a perforated-wall caisson breakwater. To examine the predictability of the developed model, laboratory experiments have been conducted for the reflection of irregular waves of various significant wave heights and periods impinging upon breakwaters having various wave chamber widths. For frequency-averaged reflection coefficients, though the overall agreement is fairly good between measurement and calculation, the model somewhat over-predicts the reflection coefficients at larger values, and under-predicts at smaller values. The model also underestimates the energy loss coefficients as wave reflection becomes larger. These differences occur because the model neglects the evanescent waves near the breakwater, which increase the energy loss at the perforated wall. The frequency-averaged reflection coefficient shows a minimum when the wave chamber width is approximately 0.2 times the significant wavelength, and it decreases with increasing wave steepness. Finally it is shown that the reflection of irregular waves from a perforated-wall caisson breakwater depends on the wave frequency, so that the reflected wave spectrum shows a frequency dependent oscillatory behavior.en
dc.language.isoenen
dc.publisherElsevieren
dc.subjectBreakwatersen
dc.subjectCaissonsen
dc.subjectIrregular wavesen
dc.subjectLaboratory testsen
dc.subjectPerforated structuresen
dc.subjectWater wavesen
dc.subjectWave reflectionen
dc.titleReflection of irregular waves from perforated-wall caisson breakwatersen
dc.typeArticleen
dc.contributor.AlternativeAuthor서경덕-
dc.contributor.AlternativeAuthor최재준-
dc.contributor.AlternativeAuthor김범형-
dc.contributor.AlternativeAuthor박우서-
dc.contributor.AlternativeAuthor이길성-
dc.identifier.doi10.1016/S0378-3839(01)00028-X-
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Civil & Environmental Engineering (건설환경공학부)Journal Papers (저널논문_건설환경공학부)
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