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1、VerificationofANumericalHarbourWaveModelChinaOceanEngineering.Vo1.21,No.4,PP.647—658⑥2007ChinaOceanPress,ISSN0890—5487VerificationofANumericalHarbourWaveModelPANJun—ning(潘军宁)b,1,HONGGuang—wen(洪广文),ZUOQi—hua(左其华)andWANGDeng—ting(王登婷)StateKeyIxtboratoryofHydrology-WaterResourcesandHydraul
2、icEngineering,IfohaiUniversity,Nanfing210098,ChinaStateKeyLaboratoryofHydrology-WaterResourcesandHydraulicEngineering,NanfingHydraulicResearchInstitute,Na耐ng210029,China(Received10July2007;accepted30October2007)Anumericalmodelforwavepropagationinaharbourisverifiedbyuseofphysicalmodels.r
3、n】eextendedtime-de—pendentmildslopeequationisemployedasthegoverningequation,andthemodelissolvedbyuseofADImethodcon—tainingmerelaxationfactor.Firstly.thereflectioncoefficientofwavesinfrontofrubble—moundbreakwatersunderobliqueincidentwavesisdeterminedthroughphysicalmodeltests,anditisregar
4、dedasthebasisforsimulatingpartialre—fleetionboundariesofthenumericalmode1.Then111odeltestsonrefraction.diffractionandreflectionofwavesinahar一})ourareperformedtomeasurewaveheightdistribution.Comparativeresultsbetweenphysicalandnumericalmodeltestsshowthatthepresentnumericalmodelcansatisfa
5、ctorilysimulatethepropagationofregularandirregularwavesinahar—hourwithcomplextopographyandboundaryconditim~s.Keywords:wa'l~;slopeequation;numericalmodel;tuzrbour;n￡n1.IntroductionAswavesaffectthesafetyo±harbourstructuresandthecalmnessofharbourwater,distributionofwaveheightsshouldbewelli
6、nvestigatedduringtheplanninganddesignofharbourprojects.However,propagationofwavesinaharbouriscomplex.Owingtotheeffectofstructures(breakwaters,docks,etc.)inwaterwaysandharbourbasins,refraction,diffractionandreflectionofwavesusuallyoccursynthetically.Asforlarge—scaledharbours,theeffectofb
7、ottomfrictionandwindenergyshouldalsobetakenintoaccount.Inrecent20years,extensiveresearcheshavebeenperformedonnumericalwavemodelsbasedontheMild—SlopeEquation(Copeland,1985;MadsenandLarsen,1987;Li,1994;Hong,1996;Paneta1.,2000)ortheBoussinesqEquations(Nwogu,1993;BejiandNadaoka,199
