河流流場和濃度的二難數(shù)值模擬

1、重慶大學(xué)碩士學(xué)位論文河流流場和濃度的二難數(shù)值模擬姓名：楊玲申請學(xué)位級別：碩士專業(yè)：流體力學(xué)指導(dǎo)教師：陳景秋2001.5.1重壅盔堂堡主堂垡笙壅—————i!翌A(yù)BSTRACTThecontentsofthisthesisbelongtotheenvironmentfluidmechanicsThemostimportantworksofenvironmentfluidmechanicsaretofirldtherelationsamon

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3、ollution，theimprovementofenvironmentquailtytherationalizationofenvironmentmanagement，andthebalancerelationsbetweenhumanbeingandnatureareverydifficultandveryimportamproblemshumanbeingiSfacingThesimulationandprognosticateo

4、fwaterqualityareimportantaspectofsuchworksNowresearchingofriverwaterqualitymodelsisbasedonthetransgIortequationsandexperienceequationsTherearemanyonedimensionalandtwodimensionalmodelsandthesemodelshavebeenappliedtowaterq

5、ualityprogrammingandmanagementTwoofwidelyusedmodelsareQUALIandQUAoIISincethelastdecadeofthe20thcenturyresearchesofthreedimensionalsimulationhavebeenveryrapidlydevelopedabroadInourlandsuchworksarebeginningInthispapersomef

6、irststudiestotheenviroumentsimulationsystemofSanxiaReservoiraremadeBasingonriversphysicalc班ractePs，atwodimensionalflowfieldmodelandatwodimensionalconservativecontaminationsdell5時如ldmodeltopointpollutionItiSalSOdiscussedt

7、ousecontrolvolumemethodinsolvingthemodelequationsAndusingthesemodelsandcontrolvolumemethod，theconservativecontaminationsdensityfieldofShimensectionofJialingriveriscomputationallysimulatcdTheresllltsshowthatthesemodeIscon

8、structedinthispapercarlsarisfythesimulationneeasandbetterdescribeflowfieldsandconservativecontaminationsdensityfieldFurthertwoassumptiveexamplesaresimulated：acRredriverandriver、vitIlconvexbankCompafing誦tllliteratures。the