*HEADING
INFINITELY EXTENDING 3D ARRAY OF CUBES, DC2D4, 1 PER SYMM (NR=5)
*PREPRINT
*PHYSICAL CONSTANTS, STEFAN=5.669E-8,ABSOLUTE ZERO=0.0
*NODE
1,0.,0.
18,17.,0.
421,0.,21.
438,17.,21.
*NGEN,NSET=LHS
1,421,20
*NGEN,NSET=RHS
18,438,20
*NFILL,NSET=ALLN
LHS,RHS,17
*NSET,NSET=LLHS,GEN
1,401,40
3,403,40
5,405,40
7,407,40
9,409,40
11,411,40
13,413,40
15,415,40
17,417,40
*NSET,NSET=URHS,GEN
22,422,40
24,424,40
26,426,40
28,428,40
30,430,40
32,432,40
34,434,40
36,436,40
38,438,40
*NSET,NSET=OUTN,GEN
209,210
229,230
*ELEMENT,TYPE=DC2D4,ELSET=CONDEL
51,201,202,222,221
*ELGEN,ELSET=CONDEL
51,9,2,1
*ELSET,ELSET=OUTEL,GEN
55,55
*SOLID SECTION,ELSET=CONDEL,MATERIAL=ALUM
*MATERIAL,NAME=ALUM
*CONDUCTIVITY
204., 
*DENSITY
2707., 
*SPECIFIC HEAT
896., 
***  CAVITY DEFINITION
*surface,NAME=SALL,PROPERTY=PALL
CONDEL,S1
CONDEL,S2
CONDEL,S3
CONDEL,S4
*CAVITY DEFINITION,NAME=ARR2D,AMB=200.
SALL, 
*SURFACE PROPERTY,NAME=PALL
*EMISSIVITY
0.7, 
***
*INITIAL CONDITIONS,TYPE=TEMPERATURE
ALLN,300.
*RESTART,WRITE,FREQ=10
*STEP,INC=20
*HEAT TRANSFER,STEADY STATE
1.,1.
*BOUNDARY
LLHS,11,,1000.
URHS,11,,400.
*RADIATION VIEW,REFLECTION=NO,SYMM=YPER
*RADIATION SYMMETRY,NAME=YPER
*PERIODIC,NR=5,TYPE=2D
0.,9.5,20.,9.5,0.,2.
*NODE PRINT,NSET=OUTN
NT, 
*NODE FILE,NSET=OUTN
NT, 
*RADIATION PRINT
RADFL,VFTOT,FTEMP
*RADIATION FILE,ELSET=OUTEL
RADFL,VFTOT,FTEMP
*VIEWFACTOR OUTPUT,CAVITY=ARR2D
*END STEP