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简介：

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简介：Thefinitevolumemethod(FVM)hasmanyadvantagesin2-Dshallowwaternumericalsimulation.Inthisstudy,thefinitevolumemethodisusedwithunstructuredtriangulargridstosimulatethetidalcurrents.TheRoeschemeisappliedinthecalculationoftheintercellnumericalflux,andtheMUSCLmethodisintroducedtoimproveitsaccuracy.Thetimeintegralisatwo-stepschemeofforecastandrevision.Fortheverificationofthepresentmethod,theStoker'sproblemiscalculatedandtheresultiscomparedwiththemathematicallyanalyticsolutions.Thecomparisonindicatesthatthemethodisfeasible.Aseaareaofaportisusedasanexampletotestthemethodestablishedhere.Theresultshowsthatthepresentcomputationalmethodissatisfactory,anditcouldbeappliedtotheengineeringfields.

简介：作者由1的计算在溢出的特征发现了大差别)为用SWMM的下水道系统的溢出的拦截体积建模哪个从降雨考虑流量和污染物质并且2)总共的拦截体积流动在一个调查地点。在CSOsshowed的调查点的拦截的率更高比SSD珍视。在由与降雨认为流出论坛的特征是下水道系统的溢出的合适的管理计算溢出的拦截数量以后，基于当模特儿收到的水质，由为在从unprocessed与分泌物相比拦截流动的特定的数量以后的分泌物的82.9%-94.0%的BODdecreased溢出，是清楚的。

简介：AnovelVOF-typevolume-trackingmethodfortwo-dimensionalfree-surfaceflowsbasedontheunstructuredtriangularmeshispresented.Owingtotheinherentmeritoftheunstructuredtriangularmeshinfittingcurvedboundaries,thismethodcanhandlethefree-surfaceproblemswithcomplexgeometriesaccuratelyanddirectly,withoutintroducinganycomplicatedboundarytreatmentorartificialdiffusion.ThemethodsolvesthevolumetransportequationgeometricallythroughtheModifiedLagrangian-EulerianRe-map(MLER)method,whichisappliedtoadvectivefluidvolumes.Moreover,thePLICmethodisadoptedtogiveasecond-orderreconstructedinterfaceapproximation.Tovalidatethismethod,twoadvectiontestswereperformedfortheestablishmentoftheaccuracyandconvergencerateofthesolutions.Numericalresultsforthesecomplextestsprovideconvincingevidencefortheexcellentsolutionqualityandfidelityofthemethod.