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1、中國海洋大學碩士學位論文風暴作用下的近岸懸浮泥沙數值模擬姓名：林俊申請學位級別：碩士專業(yè)：物理海洋指導教師：韓樹宗20070601墾墨堡旦!竺生曼墨堡堡鯊墼墮塑塑NumericalSimulationsofThreeDimensionalSuspendedSedimentTransportwiththeeffectofStormAbstractTheestuaryandcoastalare_一RswithrichreSOUrCeSandconvenienttrufflearc刪yrelatedwithhuman’Sec
2、onomy,lifeandSOon，andit’Sthemainplacepeoplelive。product，tradeandtravel．Otherwise，theestuaryandcoastalarea,slocateinconnectionregionoflandandseawherethedynamicconditionsarechangeable，SOthattheeffectpeoplemakeuseoftheseaKeasdependsonthethoroughknowledgeofvariousma
3、rinedynamicelementsandthematerialmovementrulesunderthesedynamicconditions’contr01．Amongthesemovementsoneofgreatimportanceissedimentmovementwhichcausesphenomena鼬evolvementofbeach．siltingofharborandsea．route，Whereasthestormisconsideredtheimportantfactorthataffects
4、thesedimcntmovementandshapesthelandformofSeacoastandseabed,thestormwavetogetherwithstormtideandastronomytidecaneasilycausethecorrosionofbeach,agitatebottomsediment，fiercelychangethelandformofseacoastandseabedindisasterarea,andevenaffectthesecurityofcoastalengine
5、eringandshipping．Inthisdissertation，a3DsuspendedsedimentmodelcalledCOHERENS-SEDwasfirstUSedjnoffshoreareaofJiaonantosetu口thesedimemmovementmedclundertheconditionofcommonWaveandsimpletidalcurrent．Onthebaseofcomparingandcheckinguptheresultsofsimulationwiththein-si
6、tudata,the3DsuspendedsedimentmodelWaScombinedwiththestormhydrodynamicmodeltosimulatethesedimentmovementintheNo．9711tropicss“)rm，thentheresultWAScomparedwiththearea’shydrodynamicandsedimentmovementundertheconditionofcellliT／Onwaveandsimpletidaletwrent,whichfarthe
7、ranalyzedthepartialmechanismthatstomainfluencesthesedimentmovementinshere．TheresultsindicatethatCOHERENS·SEDisapplicableinthe3DsimulationofJiannanoffshorearea’scurrentfieldandsediment．Throughthecompareandanalysis，Ⅱ風暴作用下的近岸懸浮泥沙數值模擬itisknownthatthestormhasenhanced
8、mebottom$ffcss．changedthecuffentfield,andhasstronglyinfluencedthesediment’sincreasingandbeachlandform’schange．Keyword：storm，auspendedsediment,COHRERNS-SED，numericalsi
