How to Write Geometry of EGS5

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•This HOWFAR can be used for a geometry having any number of cylinders and slabs. •Sample user code of multi cylinders and slabs: — ucrz_nai.f — This user code also simulates NaI(Tl) detector response.
Summary of input for multi-cylinder multi-slab geometry • common/PLADTA/pcoord(3,MXPLNS), pnorm(3,MXPLNS) • common/CYLDTA/cyrad2(MXCYLS),cyr ad(MXCYLS) • common/GEORZ/ncyl,nplan,irz NPLAN:# of planes NCYL:# of cylinders NREG=(NPLAN-1)*NCYL+3; IRZ=NREG-3;
Page 1 and 2: How to Write Geometry of EGS5 Y. Na
Page 3 and 4: Selection of geometry structure 1.
Page 5 and 6: USTEP, IDISC, IRNEW • Three EGS5
Page 7 and 8: How to calculate the distance to th
Page 9 and 10: Subroutine PLANE1(NPLAN,ISIDE,IHIT,
Page 11 and 12: Definition of planes • Assuming t
Page 13 and 14: Subroutine CHGTR • The subroutine
Page 15 and 16: Subroutine PLAN2P • The HOWFAR ex
Page 17 and 18: At region i: forward plane No=i, fo
Page 19 and 20: The intersection of a vector with a
Page 21 and 22: Example of cylindrical target y (x
Page 23 and 24: Definition of cylinder radius •Th
Page 25 and 26: Subroutine CYL2 : Treats particles
Page 27: IF(NSLAB.GT.1) NRG2=IRL-NCYL ELSE N

How to Write Geometry of EGS5

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