*HEADING
INFINITELY EXTENDING 3D ARRAY OF CUBES, DC3D8, 3 PER SYMM (NR=10,10,10)
*PREPRINT,Model=Yes,Echo=No,History=No
******************************************
*PART,NAME=CUBE
*END PART
************
*ASSEMBLY,NAME=CUBE
*INSTANCE,NAME=CUBE,PART=CUBE
*NODE
1,0.,0.
18,17.,0.
421,0.,21.
438,17.,21.
2001,0.,0.,1.
2018,17.,0.,1.
2421,0.,21.,1.
2438,17.,21.,1.
*NGEN,NSET=LHS
1,421,20
2001,2421,20
*NGEN,NSET=RHS
18,438,20
2018,2438,20
*NFILL,NSET=ALLN
LHS,RHS,17
*NSET,NSET=LBLHS,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=UFRHS,GEN
2022,2422,40
2024,2424,40
2026,2426,40
2028,2428,40
2030,2430,40
2032,2432,40
2034,2434,40
2036,2436,40
2038,2438,40
*NSET,NSET=QA_TEST,GEN
209,210
229,230
*ELEMENT,TYPE=DC3D8,ELSET=CONDEL
55,209,210,230,229,2209,2210,2230,2229
*ELSET,ELSET=QA_TEST,GEN
55,55
*SOLID SECTION,ELSET=CONDEL,MATERIAL=ALUM
*END INSTANCE
*surface,NAME=SALL,PROPERTY=PALL
CUBE.CONDEL,S1
CUBE.CONDEL,S2
CUBE.CONDEL,S5
CUBE.CONDEL,S6
CUBE.CONDEL,S3
CUBE.CONDEL,S4
*END ASSEMBLY
***********************************************
*MATERIAL,NAME=ALUM
*CONDUCTIVITY
204., 
*DENSITY
2707., 
*SPECIFIC HEAT
896., 
***  CAVITY DEFINITION
*CAVITY DEFINITION,NAME=ARR3D,AMB=200.
SALL, 
*SURFACE PROPERTY,NAME=PALL
*EMISSIVITY
0.7, 
*PHYSICAL CONSTANTS, STEFAN=5.669E-8,ABSOLUTE ZERO=0.0
***
*INITIAL CONDITIONS,TYPE=TEMPERATURE
CUBE.CUBE.ALLN,300.0
*RESTART,WRITE,FREQ=10
**************************************
*STEP,INC=40
*HEAT TRANSFER,STEADY STATE
1.e-3,1.
*BOUNDARY
CUBE.CUBE.LBLHS,11,,1000.
CUBE.CUBE.UFRHS,11,,400.
*RADIATION VIEW,REFLECTION=NO,SYMM=XYZPER,VTOL=0.005
*RADIATION SYMMETRY,NAME=XYZPER
*PERIODIC,NR=10,TYPE=3D
0.,9.5,0.,20.,9.5,0.
0.,9.5,20.,0.,2.,0.
*PERIODIC,NR=10,TYPE=3D
7.5,20.,0.,7.5,0.,0.
7.5,20.,20.,2.,0.,0.
*PERIODIC,TYPE=3D,NR=10
0.,0.,-.5,20.,0.,-.5
0.,20.,-.5,0.,0.,2.
*NODE PRINT,NSET=CUBE.CUBE.QA_TEST,FREQUENCY=10
NT, 
*NODE FILE,NSET=CUBE.CUBE.QA_TEST,FREQUENCY=10
NT, 
*RADIATION PRINT,FREQUENCY=10
RADFL,VFTOT,FTEMP
*RADIATION FILE,ELSET=CUBE.CUBE.QA_TEST,FREQUENCY=10
FTEMP,
*VIEWFACTOR OUTPUT,CAVITY=ARR3D
*OUTPUT,FIELD,FREQUENCY=10
*NODE OUTPUT
NT,
*ELEMENT OUTPUT
HFL,
*RADIATION OUTPUT,ELSET=CUBE.CUBE.QA_TEST
FTEMP,
*END STEP