简介:“Ihaveveryloyalemployees,”Gadfleegrinned.“They’ddoanythingforme.”ThetruthisthatGadflee’semployeeshaveaverydifferentopinionofhim.“Gadfleewouldwalkalloverusifwelethim,”Emilysaid.Towalkalloversomeoneis
简介:Inthepaper,theturbulentdissipationisconsideredinthemodelforstudyingtheflowovermountains.Thegoverningequationisafirstorderordinarydifferentialequationderivedfromanalgebraicequationwithoutdissipationcase.Thesolutionissensitivetotheupstreamconditionofdissipation.Thedissipationnotonlyreducesthestrengthofdiscontinuitybutalsochangesthepropertiesofthegoverningequation.Inthepaper,thequalitativecharacteristicfeaturesofthegoverningequationarediscussed.Thenumericalresultswithsuperandsub-criticalcasesarealsodiscussedindetail.Theresultsshowthattheturbulentdissipationisanimportantfactorandisnotnegligible.
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