二維矩形容器內(nèi)帶Soret效應(yīng)的Marangoni對(duì)流的格子Boltzmann模擬.pdf

1、華中科技大學(xué)碩士學(xué)位論文二維矩形容器內(nèi)帶Set效應(yīng)的Marangoni對(duì)流的格子Boltzmann模擬姓名：朱白楊申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算數(shù)學(xué)指導(dǎo)教師：施保昌20110520華中科技大學(xué)碩士學(xué)位論文華中科技大學(xué)碩士學(xué)位論文IIAbstractFthepastfewyearsLatticeBoltzmannMethodisbecominganefficientmethodusedfsimulatingcomplexfluidcompu

2、ting.BasedonmesoscopicparticlebackgroundLatticeBoltzmannMethodhasmanyotherexclusiveadvantages.FromaphysicalstpointLatticeBoltzmannMethodcoulddealwithcomplicatedinteractionbetweenfluidboundarydifferentfluidcomponent(phase

3、state)differentfluidinterfacesoon.FromacomputingstpointLatticeBoltzmannMethodisshowtimepropulsionmethodwhichmakesitscomputationalefficiencyexceedstraditionalnumericalmethod.MeanwhiletheevolutionaryprocessofLatticeBoltzma

4、nnMethodisquitebriefclarityprogramisalsoquiteconcise.Marangoniconvectionistheflowwhichisquitetypicalinthebaseofmicrogravitybutisakindofphenomenonwhichisquiteimptantinmicrogravityenvironment.Marangoniconvectionisaflowwhic

5、hderivedfromunifmsurfacetentionwhichmakesitisrelevanttofreesurfaceinterface.LatticeBoltzmannmethodisrarelyappliedinMarangoniconvectionwithSeteffect.ThearticleproposesthatLatticeBoltzmannMethodbeusedfsimulatingMarangonico

6、nvectionwithSeteffectin2DRectangularcavity.VelocityfieldadoptsincompressibleD2G9modeltemperaturefieldconcentrationfieldbothadoptD2G5modelthenthepurethermalproblemcoupledwithsolutaldominatedregime.Butweemphasizeondiscussi

7、ngthelatter.ThepurposeofthepaperisdiscussinghowthestreamlinescontoursoftemperatureconcentrationchangeswithdifferentparametersincludingvelocitytemperatureconcentrationonthefreesurfacehizontalvelocityinX=A2location.Thepape