*HEADING
 : IDENTICAL, PARALLEL DIRECTLY OPPOSED RECTANGLES 
  FOUR ELEMENTS TOTAL
*PREPRINT
*NODE,NSET=BASE1
1,0.,0.,-5.
2,5.,0.,-5.
5,0.,8.,-5.
6,5.,8.,-5.
*NGEN,NSET=BASE1
1,5,2
2,6,2
*NCOPY,CHANGE NUMBER=6,OLD SET=BASE1,SHIFT,NEW SET=BASE1
0.,0.,5.

*NCOPY,CHANGE NUMBER=12,OLD SET=BASE1,SHIFT
0.,0.,11.

*NCOPY,CHANGE NUMBER=100,OLD SET=BASE1,SHIFT,NEW SET=BASE3
45.,0.,0.

*NCOPY,CHANGE NUMBER=12,OLD SET=BASE3,SHIFT
0.,0.,11.

*NSET,NSET=BASE2,GEN
19,24
*NSET,NSET=BASE4,GEN
119,124
*NSET,NSET=ALL2,GEN
101,124
*ELEMENT,TYPE=DC3D8,ELSET=EALL
1,1,2,4,3,7,8,10,9
3,13,14,16,15,19,20,22,21
*ELEMENT,TYPE=DC3D8,ELSET=EALL1
101,101,102,104,103,107,108,110,109
103,113,114,116,115,119,120,122,121
*ELGEN,ELSET=EALL
1,2,2
3,2,2
*ELGEN,ELSET=EALL1
101,2,2
103,2,2
*SOLID SECTION,ELSET=EALL,MATERIAL=ALU
*SOLID SECTION,ELSET=EALL1,MATERIAL=ALU
*MATERIAL,NAME=ALU
*CONDUCTIVITY
237., 
*DENSITY
2702., 
*SPECIFIC HEAT
903., 
*surface,NAME=SURF1,PROPERTY=PROP1
1,S2
2,S2
3,S1
4,S1
*surface,NAME=SURF2,PROPERTY=PROP2
101,S2
102,S2
103,S1
104,S1
*CAVITY DEFINITION,NAME=CAV1,AMB=100
SURF1, 
*CAVITY DEFINITION,NAME=CAV2,AMB=100
SURF2,
*SURFACE PROPERTY,NAME=PROP1
*EMISSIVITY
0.76, 
*SURFACE PROPERTY,NAME=PROP2
*EMISSIVITY,DEPENDENCIES=1
0.64,,1
0.88,,3
*PHYSICAL CONSTANTS,STEFANB=5.67E-08,ABSOLUTE ZERO=0.0
*INITIAL CONDITIONS,TYPE=FIELD,VARIABLE=1
ALL2,2
**
*RESTART,WRITE,FREQ=5
*STEP,INC=20
 HEAT TRANSTER TEST 1.0
*HEAT TRANSFER,STEADY STATE
1.,1.
*RADIATION VIEWFACTOR,REFLECTION=NO,RANGE=15
*BOUNDARY
BASE1,11,,1000.
BASE2,11,,300.
BASE3,11,,1000.
BASE4,11,,300.
*NODE PRINT
NT, 
*NODE FILE
NT, 
*OUTPUT,FIELD
*NODE OUTPUT
NT,
*RADIATION PRINT 
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*RADIATION FILE
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*RADIATION FILE,FREQ=0
** TEST FOR FREQ=0 PARSING
*OUTPUT,FIELD
*RADIATION OUTPUT
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*END STEP