简介:TheproblemofthemixedconvectioninacubiccavityisstudiedwithlatticeBoltzmannmethod.Amultiple-relaxation-timelatticeBoltzmannmodelforincompressibleflowinthecubiccavityandanotherthermallatticeBoltzmannmodelforsolvingenergy/temperatureequationareproposed.Thepresentmodelsarefirstvalidatedthroughacomparisonwithsomeavailableresults,andthen,wepresentadetailedparameterstudyonthemixedconvectioninthecubiccavity.ThenumericalresultsshowthattheHowandtemperaturepatternschangegreatlywithvariationsoftheReynoldsandRichardsonnumbers