1mcnp version 4c ld=01/20/00 01/17/19 21:11:32
************************************************************************* probid = 01/17/19 21:11:32
i=EX6.txt
1- Photon flux on the exterior of a sphere of water containing a central isotropic
2- c photon point source.
3- c ==============================TITLE CARD=====================================
4- c
5- c 10 20 30 40 50 60 70
6- c 34567891123456789212345678931234567894123456789512345678961234567897123456789
7- c
8- c ==============================Cell Cards=====================================
9- 10 1 -1 -1 imp:p=1 $ 10cm radius sphere of water
10- 20 0 1 -2 imp:p=1 $ 2cm thick tally shell
11- 30 0 2 imp:p=0 $ limit of world
12-
13- c =============================Surface Cards===================================
14- 1 SO 10 $ 10cm radius sphere surface
15- 2 SO 12 $ 12cm radius outer tally surface
16-
17- c
18- c ==============================Data Cards=====================================
19- c
20- c ===============Mode Card==============
21- c
22- mode p $ Sets MCNP to model photons
23- c
24- c ===============Material Cards=========
25- c hydrogen weight fraction, oxygen weight fraction
26- M1 1000 -0.111894 8000 -0.888106
27- c
28- c
29- c ===============SDEF Card==============
30- c
31- SDEF POS=0 0 0 PAR=2 ERG=0.5 $ isotrophic point source at origin (0 0 0)
32- c $ which is the centre of the water sphere emitting
33- c ===============Tally Cards============
34- F4:p 20 $ photon flux over cell 20
35- E4 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 $ energy bins for F4 flux tally
36- c
37- c ===============NPS/CTME Card==========
38- c
39- NPS 1000000 $ number starting particles/histories
40- c CTME 1 $ initiate starting particles/histories for 1 min EIT
41- c
42- c ===============Print Card=============
43- PRINT $ print all applicable tables to MCNP model run
44- c
1source print table 10
values of defaulted or explicitly defined source variables
cel 0.0000E+00
sur 0.0000E+00
erg 5.0000E-01
tme 0.0000E+00
dir isotropic
pos 0.0000E+00 0.0000E+00 0.0000E+00
x 0.0000E+00
y 0.0000E+00
z 0.0000E+00
rad 0.0000E+00
ext 0.0000E+00
axs 0.0000E+00 0.0000E+00 0.0000E+00
vec 0.0000E+00 0.0000E+00 0.0000E+00
ccc 0.0000E+00
nrm 1.0000E+00
ara 0.0000E+00
wgt 1.0000E+00
eff 1.0000E-02
par 2.0000E+00
order of sampling source variables.
pos erg tme
1tally 4 print table 30
tally type 4 track length estimate of particle flux.
tally for photons
cells 20
energy bins
1.00000E-03 to 2.00000E-01 mev
2.00000E-01 to 4.00000E-01 mev
4.00000E-01 to 6.00000E-01 mev
6.00000E-01 to 8.00000E-01 mev
8.00000E-01 to 1.00000E+00 mev
1.00000E+00 to 1.20000E+00 mev
1.20000E+00 to 1.40000E+00 mev
1.40000E+00 to 1.60000E+00 mev
1.60000E+00 to 1.80000E+00 mev
1.80000E+00 to 2.00000E+00 mev
total bin
1material composition print table 40
material
number component nuclide, atom fraction
1 1000, 6.66648E-01 8000, 3.33352E-01
material
number component nuclide, mass fraction
1 1000, 1.11894E-01 8000, 8.88106E-01
1cell volumes and masses print table 50
cell atom gram input calculated reason volume
density density volume volume mass pieces not calculated
1 10 1.00278E-01 1.00000E+00 0.00000E+00 4.18879E+03 4.18879E+03 1
2 20 0.00000E+00 0.00000E+00 0.00000E+00 3.04944E+03 0.00000E+00 1
3 30 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0 infinite
1surface areas print table 50
surface input calculated reason area
area area not calculated
1 1 0.00000E+00 1.25664E+03
2 2 0.00000E+00 1.80956E+03
1cells print table 60
atom gram photon
cell mat density density volume mass pieces importance
1 10 1 1.00278E-01 1.00000E+00 4.18879E+03 4.18879E+03 1 1.0000E+00
2 20 0 0.00000E+00 0.00000E+00 3.04944E+03 0.00000E+00 1 1.0000E+00
3 30 0 0.00000E+00 0.00000E