Difference between revisions of "2D 4-HEX super-cell lattice geometry"
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Latest revision as of 15:48, 11 February 2024
% --- 2D Simplified 4-HEX super-cell model-like EBR-II --------------------- %
set title "2D Simplified 4-HEX super-cell model-like EBR-II"
% ------------------------- PIN DEFINITION --------------------------------- %
% --- Fuel pin with central hole:
pin 1
void 0.07000
fuel1 0.38000
void 0.39000
clad 0.45500
cool
pin 2
void 0.07000
fuel2 0.38000
void 0.39000
clad 0.45500
cool
pin 3
void 0.07000
fuel3 0.38000
void 0.39000
clad 0.45500
cool
pin 4
void 0.07000
fuel4 0.38000
void 0.39000
clad 0.45500
cool
pin 5
void 0.07000
fuel5 0.38000
void 0.39000
clad 0.45500
cool
pin 6
void 0.07000
fuel6 0.38000
void 0.39000
clad 0.45500
cool
pin 7
void 0.07000
fuel7 0.38000
void 0.39000
clad 0.45500
cool
% --- Central tube:
pin 8
cool 0.44000
clad 0.51500
cool
% --- Empty lattice position:
pin 9
cool
% ------------------------- HEXAGONAL PART --------------------------------- %
% --- Lattice (type = 3, pin pitch = 1.23 cm) - hexagonal-baseline:
lat 10 3 0.0 0.0 15 15 1.23
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 1 1 1 1 1 1 1 9
9 9 9 9 9 9 1 1 1 1 1 1 1 1 9
9 9 9 9 9 1 1 1 1 1 1 1 1 1 9
9 9 9 9 1 1 1 1 1 1 1 1 1 1 9
9 9 9 1 1 1 1 1 1 1 1 1 1 1 9
9 9 1 1 1 1 1 1 1 1 1 1 1 1 9
9 1 1 1 1 1 1 8 1 1 1 1 1 1 9
9 1 1 1 1 1 1 1 1 1 1 1 1 9 9
9 1 1 1 1 1 1 1 1 1 1 1 9 9 9
9 1 1 1 1 1 1 1 1 1 1 9 9 9 9
9 1 1 1 1 1 1 1 1 1 9 9 9 9 9
9 1 1 1 1 1 1 1 1 9 9 9 9 9 9
9 1 1 1 1 1 1 1 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
% --- Lattice (type = 3, pin pitch = 1.23 cm) - triangular-baseline:
lat 20 3 0.0 0.0 15 15 1.23
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 1 7 7 7 7 7 1 9
9 9 9 9 9 9 2 1 7 7 7 7 1 6 9
9 9 9 9 9 2 2 1 7 7 7 1 6 6 9
9 9 9 9 2 2 2 1 7 7 1 6 6 6 9
9 9 9 2 2 2 2 1 7 1 6 6 6 6 9
9 9 2 2 2 2 2 1 1 6 6 6 6 6 9
9 1 1 1 1 1 1 8 1 1 1 1 1 1 9
9 3 3 3 3 3 1 1 5 5 5 5 5 9 9
9 3 3 3 3 1 4 1 5 5 5 5 9 9 9
9 3 3 3 1 4 4 1 5 5 5 9 9 9 9
9 3 3 1 4 4 4 1 5 5 9 9 9 9 9
9 3 1 4 4 4 4 1 5 9 9 9 9 9 9
9 1 4 4 4 4 4 1 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
% --- Lattice (type = 3, pin pitch = 1.23 cm) - empty:
lat 30 3 0.0 0.0 15 15 1.23
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
% --- Surfaces (assembly pitch = 14.7 cm):
surf 41 hexxc 0.0 0.0 7.100 % Shroud tube inner radius
surf 42 hexxc 0.0 0.0 7.250 % Shroud tube outer radius
surf 43 hexxc 0.0 0.0 7.350 % Outer boundary
% --- Cells for radial reflector:
cell 41 40 refl -41 % Reflector
cell 42 40 tube 41 -42 % Shroud tube
cell 43 40 cool 42 -43 % Water in channel
% ------------------------- TRIANGULAR PART -------------------------------- %
% --- Triangular surfaces:
surf 21 tric -2.45 4.24352447854 2.45 1
surf 22 tric 2.45 4.24352447854 2.45 3
surf 23 tric -4.90 0.0 2.45 3
surf 24 tric 4.90 0.0 2.45 1
surf 25 tric -2.45 -4.24352447854 2.45 1
surf 26 tric 2.45 -4.24352447854 2.45 3
% --- Sub-assembly cells (switch between hexagonal/triangular baseline):
cell 21t 21t fill 20 -21
cell 22t 22t fill 20 -22
cell 23t 23t fill 20 -23
cell 24t 24t fill 20 -24
cell 25t 25t fill 20 -25
cell 26t 26t fill 20 -26
% --- Transformations to return to global coordinates (0,0,0):
trans U 21t 2.45 -4.24352447854 0.0
trans U 22t -2.45 -4.24352447854 0.0
trans U 23t 4.90 0.0 0.0
trans U 24t -4.90 0.0 0.0
trans U 25t 2.45 4.24352447854 0.0
trans U 26t -2.45 4.24352447854 0.0
% --- Sub-assembly lattice:
lat 21 9 0.0 0.0 1 0.0 21t
lat 22 9 0.0 0.0 1 0.0 22t
lat 23 9 0.0 0.0 1 0.0 23t
lat 24 9 0.0 0.0 1 0.0 24t
lat 25 9 0.0 0.0 1 0.0 25t
lat 26 9 0.0 0.0 1 0.0 26t
% --- Lattice (type = 14, pin pitch = 4.90 cm):
lat 50 14 4.90 0.00 3 3 4.90
25 26 40
23 24 40
21 22 40
% ------------------------- ASSEMBLY LATTICE -------------------------------- %
% --- Lattice (type = 1, pin pitch = 14.70 cm)
lat 60 2 0.0 0.00 3 3 14.70
30 10 10
10 50 10
10 10 30
surf 70 hexxc 0.0 0.0 14.70
cell 71 70 fill 60 -70 % Fill with assembly lattice
cell 72 70 cool 70
% ------------------------- 4-HEX SUPER-CELL -------------------------------- %
surf 80 hexxprism 0.0 0.0 14.7 0.0 36.9
cell 81 0 fill 70 -80 % Fill with super-cell lattice
cell 82 0 outside 80 % outside world
% ----------------------------- MATERIALS ----------------------------------- %
% --- UO2 fuel enriched to 3.6 wt-% U-235:
mat fuel1 -10.45000
92235.09c -0.03173
92238.09c -0.84977
8016.09c -0.11850
mat fuel2 -10.45000
92235.09c -0.03173
92238.09c -0.84977
8016.09c -0.11850
mat fuel3 -10.45000
92235.09c -0.03173
92238.09c -0.84977
8016.09c -0.11850
mat fuel4 -10.45000
92235.09c -0.03173
92238.09c -0.84977
8016.09c -0.11850
mat fuel5 -10.45000
92235.09c -0.03173
92238.09c -0.84977
8016.09c -0.11850
mat fuel6 -10.45000
92235.09c -0.03173
92238.09c -0.84977
8016.09c -0.11850
mat fuel7 -10.45000
92235.09c -0.03173
92238.09c -0.84977
8016.09c -0.11850
% --- Zr-Nb cladding and shroud tube wall:
mat clad -6.55000
40000.06c -0.99000
41093.06c -0.01000
mat tube -6.55000
40000.06c -0.99000
41093.06c -0.01000
% --- Coolant and reflector:
mat cool -0.72070 moder lwtr 1001
1001.06c 2.0
8016.06c 1.0
mat refl -0.72070 moder lwtr 1001
1001.03c 2.0
8016.03c 1.0
% --- Thermal scattering data for light water:
therm lwtr lwj3.11t
% ----------------------------- SETTINGS ------------------------------------ %
% --- Cross section data library file path:
set acelib "sss_jeff311u.xsdata"
% --- Boundary condition:
set bc 3
% --- Neutron population and criticality cycles
set pop 2000 500 20
% --- Geometry and mesh plots:
plot 3 1000 1000
mesh 3 1000 1000
% --------------------------------------------------------------------------- %
