slab2:    cm concrete slab problem,  fictitious source to start
    1  1 -2.03 -2   1
    2  1 -2.03 -3   2
    3  1 -2.03 -4   3
    4  1 -2.03 -5   4
    5  1 -2.03 -6   5
    6  1 -2.03 -7   6
    7  1 -2.03 -8   7
    8  1 -2.03 -9   8
    9  1 -2.03 -10  9
   10  1 -2.03 -11  10
   11  1 -2.03 -12  11
   12  1 -2.03 -13  12
   13  1 -2.03 -14  13
   14  1 -2.03 -15  14
   15  1 -2.03 -16  15
   16  1 -2.03 -17  16
   17  1 -2.03 -18  17
   18  1 -2.03 -19  18
   19  1 -2.03 -20  19
   20  1 -2.03 -21  20
   21  0 -1
   22  0 21
 
    1 py  0
    2 py  10
    3 py  20
    4 py  30
    5 py  40
    6 py  50
    7 py  60
    8 py  70
    9 py  80
   10 py  90
   11 py  100
   12 py  110
   13 py  120
   14 py  130
   15 py  140
   16 py  150
   17 py  160
   18 py  170
   19 py  180
   20 py  190
   21 py  200
 
mode   n
imp:n  1 19r 0 0
c        the following is schaeffer portland concrete
m1
        1001.50c  -.010
        8016.50c  -.529
       11023.51c  -.016
       12000.51c  -.002
       13027.50c  -.034
       14000.51c  -.337
       19000.51c  -.013
       20000.51c  -.044
       26000.55c  -.014
        6012.50c  -.001
c  sdef   x=0 y=1.e-6 z=0 cel=1 wgt=1  erg=14
c  replace real source above with fictitious source below
sdef   x=0 y=d1 z=0  wgt=1  erg=14
si1   0 200
sp1  0 1
c  generate spatial windows
c   wwg   1 1 .5
c  change wwg card to normalize to a cell that will contribute
c  Because 10**6 particles did not score, assume importance on the order of 10**(-7)
wwg   1 20 1.e-7
f1:n  21
cut:n 1.e20 .01 0 0
ctme   5
nps   100000
prdmp    j -60 j 2
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