摘要
Internalwavesplayacrucialroleinoceanmixing,anddensityperturbationandenergyfluxareessentialquantitiestoinvestigatethegenerationandpropagationofinternalwaves.Thispaperpresentsamethodologyforcalculatingdensityperturbationandenergyfluxofinternalwavesonlyusingavelocityfieldthatisbasedonlinearizedequationsforinternalwaves.ThemethodwastestedbynumericalsimulationsofinternalwavesgeneratedbytidalflowingoveraGaussiantopographyinastratifiedfluid.Thedensityperturbationsandenergyfluxesdeterminedusingourmethodthatonlyusedvelocitydataagreedwithdensityperturbationsandenergyfluxesdeterminedbytheequationofstatebasedontemperaturedata.Themeanrelativeerror(MRE)androotmeansquareerror(RMSE)betweenthetwomethodswerelowerthan5%and10%respectively.Inaddition,anexperimentwasperformedtoexamourmethodusingthevelocityfieldmeasuredbyParticleImageVelocimetry(PIV),andthesetupoftheexperimentisconsistentwiththenumericalmodel.TheresultsoftheexperimentscalculatedbythemethodsusingPIVdatawerealsogenerallyequaltothoseofthenumericalmodel.
出版日期
2018年04月14日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)