Blanket

%---Blanket
%%---FCC unit cell lattice
surf 127 cube 0. 0. 0. 4.550820
cell 39  100 fill 63 -127
lat 64 6 0. 0. 4.55082000 100


%%---Graphite pebble bed(or unit cell) from input file
pbed 63 48 "pb_pos40"
%%---coolant in the graphite pb unit cell
%%---Coolant
surf 128 inf
cell 40 48 Flibe924 -128
%%---Graphite pebbles in a unit pebble bed(assuming all graphite pbs are the same)
%%---surf for graphite pebble
surf 129 sph 0.000000 0.000000 0.000000 1.500000
%%---Graphite pebble
cell 41 49 Graphite924 -129
%---div
surf 108 cone 0.000000 0.000000 180.500000 105.000000 -178.500000
surf 109 cone 0.000000 0.000000 180.500000 125.000000 -216.506351
surf 111 pz 112.500000
surf 110 pz 180.500000
cell 33 99 fill 64  108 -109 111 -110 
%---defuel
surf 120 cylz 0.000000 0.000000 80.000000 492.850000 572.850000
surf 121 cylz 0.000000 0.000000 89.002211 492.850000 572.850000
surf 123 pz 492.850000
surf 122 pz 572.850000
cell 36 99 fill 64  120 -121 123 -122 
%---ent
surf 104 cylz 0.000000 0.000000 65.000000 0.000000 112.500000
surf 105 cylz 0.000000 0.000000 85.740000 0.000000 112.500000
surf 107 pz 0.000000
surf 106 pz 112.500000
cell 32 99 fill 64  104 -105 107 -106 
%---conv
surf 116 cone 0.000000 0.000000 430.500000 105.000000 261.870000
surf 117 cone 0.000000 0.000000 430.500000 125.000000 216.506351
surf 119 pz 430.500000
surf 118 pz 492.850000
cell 35 99 fill 64  116 -117 119 -118 
%---act
surf 112 cylz 0.000000 0.000000 105.000000 180.500000 430.500000
surf 113 cylz 0.000000 0.000000 125.000000 180.500000 430.500000
surf 115 pz 180.500000
surf 114 pz 430.500000
cell 34 99 fill 64  112 -113 115 -114