preview.mcnp

Example input deck (eill not run)

c Cell cards
1    100    -0.0014  -7                   imp:n=1 tmp=2.53e-08
2    100    -1.60     1 -2 -3 4 -5 6 7 8  imp:n=1 tmp=2.53e-08
3    0               -1:2:3:-4:5:-6

c Surface cards
1    pz -5               $ bounding plane (-z)
2    pz  5               $ bounding plane (+z)
3    py  5               $ bounding plane (+y)
4    py -5               $ bounding plane (-y)
5    px  5               $ bounding plane (+x)
6    px -5               $ bounding plane (-x)
7    s   0 -4 -2.5 0.5   $ oxygen sphere
8    s   0 4 4.5 0.5     $ iron sphere

c Data cards
M100    08016.31c  1.0  $ oxigen 16
M200    26000.31c  1.0  $ natural iron
M300    06000.31c  1.0  $ carbon
c
MODE    n p
c
sdef    par = 1        $ Source particle type(s) by symbol or number
        erg = 14.0     $ Kinetic energy (MeV)
        pos = 0 0 0    $ Reference point for position sampling
        wgt = 1.0      $ Particle weight
c
fc4    Rectangular mesh tally
fmesh4:n
        origin= 0.0 0.0 0.0         $ Coordinates (x,y,z) of mesh origin
        geom  = xyz                 $ Mesh geometry
        out   = xdmf                $ Output format
        imesh = 10      iints = 5   $ Coarse mesh points in X
        jmesh = 10      jints = 5   $ Coarse mesh points in Y
        kmesh = 10      kints = 5   $ Coarse mesh points in Z
        emesh = 1.0e36              $ Energy bin upper edges (MeV)
c
nps     1e9