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基于晶格Boltzmann方法研究微液滴形变中接触角 Title:InvestigationofDropletDeformationduringWettingBasedonLatticeBoltzmannMethod Abstract: Thecontactangle,acrucialparameterinwettingphenomena,playsapivotalroleindeterminingthedeformationofmicro-scaleliquiddroplets.Inthisstudy,weconductedaninvestigationondropletdeformationduringwettingusingthelatticeBoltzmannmethod(LBM).TheLBMisapowerfulcomputationaltechniqueforsimulatingfluidflowandhasgainedincreasingattentioninthestudyofwettingdynamicsduetoitsabilitytocaptureinterfacialphenomenaanddeformations.ThispaperaimstoprovideacomprehensivereviewoftheLBMtechniquesemployedtostudydropletdeformationduringwetting,emphasizingthesignificanceofthecontactangleintheprocess. Introduction: Wettingphenomenaoccurinvariousfields,includingmicrofluidics,surfacescience,andcoatingtechnologies,andarecrucialforunderstandingandcontrollinginterfacialinteractions.Theshapeanddeformationofliquiddropletsduringwettingareinfluencedbythecontactangle,definedastheanglebetweentheliquid-vaporinterfaceandthesolid-vaporinterfaceatthethree-phasecontactline.Thecontactangleisdeterminedbytheintermolecularinteractionsbetweentheliquid,solid,andvaporphases. ThelatticeBoltzmannmethodisanumericaltechniquethatsimulatesfluidflowprocessesbasedontheBoltzmannequation.Ithasproventobeaneffectivetoolforstudyinginterfacialphenomena,particularlyinthecaseofcomplexwettingdynamics,suchasdropletdeformation.LBMmodelscapableofcapturingthecontactangleareessentialincorrectlypredictingthebehaviorofdropletsduringwetting. Methodology: Inthisstudy,weemployedthelatticeBoltzmannmethodtoinvestigatedropletdeformationduringwetting.TheLBMsimulationswerecarriedoutusingtheShan-Chenapproach,whichincorporatesintermolecularforcestocapturethesurfacetensionandcontactangleeffects.Thedropletwasplacedonasolidsubstrate,andthewettingprocesswassimulatedbyadjustingthecontactangleandsurfaceenergyparameters. ResultsandDiscussion: Thesimulationresultsrevealedthatthecontactanglestronglyinfluencesthedropletdeformationduringwetting.Asmal