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Internal generation of waves: Delta source function method and source term addition method

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dc.contributor.authorKim, Gunwoo-
dc.contributor.authorLee, Changhoon-
dc.contributor.authorSuh, Kyung-Duck-
dc.date.accessioned2010-06-08T23:53:46Z-
dc.date.available2010-06-08T23:53:46Z-
dc.date.issued2007-
dc.identifier.citationOcean Engineering 34, 2251-2264en
dc.identifier.issn0029-8018-
dc.identifier.urihttps://hdl.handle.net/10371/67643-
dc.descriptionauthor's final versionen
dc.description.abstractIn this study, we investigate two internal wave generation methods in numerical modeling of time-dependent equations for water wave propagation, i.e., delta source function method and source term addition method, the latter of which has been called the line source method in literatures. We derive delta source functions for the Boussinesq type equations and extended mild-slope equations. By applying the fractional step splitting method, we show that the delta source function method is equivalent to the source term addition method employing the energy velocity. This suggests that the energy velocity should be used rather than the phase velocity for the transport of incident wave energy in the source term addition method. Finally, the performance of the delta source function method is verified by accurately generating nonlinear cnoidal waves as well as linear waves for horizontally one-dimensional cases.en
dc.language.isoenen
dc.publisherElsevieren
dc.subjectNumerical genaration of wavesen
dc.subjectInternal generation of wavesen
dc.subjectSource term additionen
dc.subjectSource functionen
dc.subjectEnergy velocity approachen
dc.subjectBoussinesq equationsen
dc.subjectExtended mild-slope equationsen
dc.subjectNumerical experimenten
dc.titleInternal generation of waves: Delta source function method and source term addition methoden
dc.typeArticleen
dc.contributor.AlternativeAuthor김근우-
dc.contributor.AlternativeAuthor이창훈-
dc.contributor.AlternativeAuthor서경덕-
dc.identifier.doi10.1016/j.oceaneng.2007.06.002-
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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