简介：Acomputercode,ELANEX,includingseveralHomogenous-Equilibrium-Model(HEM)typecavitationmodels,weredeveloped,tonumericallysimulatenaturalcavitationphenomena.Theeffectivenessofthecodewascheckedbycavitationflowsaroundthediskandcylinderbodyforawiderangeofdifferentcavitationnumbers.Cavityprofileswerecomparedwiththeanalyticsolutionofdiskandempiricalformulaefittedfromtheexperimentdata,andcontrastbetweendifferentcavitationmodelswerefulfilledaswell.Thecavitylengthandmaximalcavitydiameterwerefoundtoagreewellwiththeanalyticsolutions,anddetailedcavityprofileswereinaccordancewiththeexperimentalformula.Comparisonwiththehemisphereheadedcylinderbodypresentedagoodagreementofthepressurecoefficientwiththeexperimentdata.Reasonabledrag-forcecoefficientvariationanddrag-forcereductioneffectwereobtained.