1、天津大學(xué)碩士學(xué)位論文泥沙及溫鹽數(shù)學(xué)模型在北部灣海域的應(yīng)用姓名:田琦申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):水力學(xué)及河流動(dòng)力學(xué)指導(dǎo)教師:白玉川20061201ABSTRACTThecoastalestuarialareaiScontinentaloceanicinteractionregionwhichtakeoncomplexhydrodynamicenvironmentandactivesedimentmovementAndthehumanbeing
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3、ignificancetostudyhydrodynamismruleinthisareaincludingsediment—transport,dispersalofpollution,saltwaterencroachmentandSOonInthispaperthetheoryofcurrentsedimentthreedimensionalmathematicalmodelandtemperaturesalinitytwodim
4、ensionmathematicalmodelisintroducedAndthecurrentequationisbasedonnavierstokesequationThemodelequationhasbeendeducedthroughocoordinatetransformation,theninthiscoordinatethethreedimensionalflowfieldissplitintomanylayersalo
5、ngitsdepthandthemodelequationineachlayerisintegratedAstOthenumericalsolvingmethod,themethodsoffrictionalsteps,differenceapproximationandgalerkinlumpingcoefficientmatrixdefiniteelementmethodareutilizedInapracticalapplicat
6、ionthreedimensionalcalculationisappliedtothetidecurrentofCamphathermalpowerstationinVietnamWedemonstratetheactualtidallevel,flowdirection,velocityandsedimentconcentrationinthreemeasurementstationsItshowsthatthecalculated