*HEADING
 : TWO INFINITE PLATES UNEQUAL WIDTHS ONE COMMON EDGE PERPENDICULAR TO EACH OTHER
 ONE ELEMENT PER AREA
*NODE,NSET=BASE1
1,0.,0.
3,16.,0.
23,16.,10.
21,0.,10.,0.
*NGEN,NSET=BOT1
1,3
*NGEN,NSET=TOP1
21,23
*NFILL
BOT1,TOP1,2,10
*ELEMENT,TYPE=DC2D4,ELSET=EALL
1,2,3,13,12
2,1,2,12,11
*ELGEN,ELSET=EALL
2,2,10
*SOLID SECTION,ELSET=EALL,MATERIAL=ALU
*MATERIAL,NAME=ALU
*CONDUCTIVITY
237., 
*DENSITY
2702., 
*SPECIFIC HEAT
903., 
*surface,NAME=SURF1,PROPERTY=PROP1
1,S3
3,S2
*CAVITY DEFINITION,NAME=CAV1,AMB=100
SURF1, 
*SURFACE PROPERTY,NAME=PROP1
*EMISSIVITY
0.76, 
*PHYSICAL CONSTANTS,STEFANB=5.67E-08,ABSOLUTE ZERO=0.0
**
*RESTART,WRITE,FREQ=10
*STEP,INC=20
 RADIATION VIEWFACTOR TEST
*HEAT TRANSFER,STEADY STATE
1.,1.
*RADIATION VIEWFACTOR,REFLECTION=YES,VTOL=.001
*BOUNDARY
BOT1,11,,1000.
TOP1,11,,300.
*NODE PRINT
NT,COORD
*NODE FILE
NT, 
*RADIATION PRINT 
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*RADIATION FILE
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*OUTPUT,HISTORY
*RADIATION OUTPUT,CAVITY=CAV1
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*END STEP