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1、ProgressinNUCLEARSCIENCEandTECHNOLOGY,Vol.2,pp.821-825(2011)ARTICLEProgressandApplicationsofMCAM:MonteCarloAutomaticModelingProgramforParticleTransportSimulation1,2,*1,21,21,21,2GuozhongWANG,JianXIONG,PengchengLONG,DianxiWANG,KaiZHAO,1,21,21,21,23QinZENG,LiqinHU,Dong
2、chuanYING,JunjunZHANG,AkioSAGARA,33TeruyaTANAKAandTakeoMUROGA1UniversityofScienceandTechnologyofChina,P.O.Box6022,Hefei,Anhui,230029,China2InstituteofPlasmaPhysics,ChineseAcademyofSciences,P.O.Box1126,Hefei,Anhui,230031,China3NationalInstituteforFusionScience,322-6,O
3、roshi,Toki,Gifu,509-5292,JapanMCAM(MonteCarloAutomaticModelingprogramforparticletransportsimulation)wasdevelopedbyFDSTeamasabi-directionalinterfaceprogrambetweengeneralCADsystemsandMonteCarloparticletransportsimula-tioncodes.Thephysicsandmaterialmodelingandvoidspacem
4、odelingfunctionswereimprovedandthefree-formsurfacesprocessingfunctionwasdevelopedrecently.TheapplicationstotheITER(InternationalThermonuclearEx-perimentalReactor)buildingmodelandFFHR(ForceFreeHelicalReactor)modelhavedemonstratedthefeasibility,effectivenessandmaturity
5、ofMCAMlatestversionfornuclearapplicationswithcomplexgeometry.KEYWORDS:MCAM,MonteCarlomodeling,MCNP,voidmodeling,free-formsurface1I.IntroductionInthefollowing,therecentachievements(physicsand1)materialmodeling,voidspacemodeling,free-formsurfaceMonteCarlo(MC)particletr
6、ansportcodes(e.g.MCNP,2)processing)andapplicationsofMCAMtotheITERbuildingTRIPOLI)arewidelyusedinthenuclearanalysis.Howev-modelandFFHR(ForceFreeHelicalReactor)modelareer,abi-directionalconversioninterfaceprogramisneededtopresented.enhancetheMonteCarlomodelingofnuclear
7、deviceswith3)complexgeometry.4-7)II.NewCapabilitiesMCAM(MonteCarloAutomaticModelingProgramforParticleTransportSimulation)wasdevelopedbyFDS1.PhysicsandMaterialModelingTeam,China,asabi-directionalinterfaceprogrambetweenMCAMcannowgenerateafull-formedinputfileofgeneralco
8、mmercialCAD(ComputerAidedDesign)systemsMonteCarlocodesfromaCADformatfile.NotonlytheandMCparticletransportcodes.Ononehand,theenginee
