*HEADING
 FILE NAME : 
 FEATURES TESTED : THREE DIMENSIONAL HEAT TRANSFER INTERFACE
                   GAP RADIATION
*PHYSICAL CONSTANTS,ABS=-460,STEFANB=.1714E-8
*NODE
 1, 10.0,  0.0, 0.5
 3, 11.0,  0.0, 0.5
 7, 10.0, -1.0, 0.5
 9, 11.0, -1.0, 0.5
*NGEN,NSET=SIDE_01
1,7,3
*NGEN,NSET=SIDE_02
3,9,3
*NGEN,NSET=SIDE_03
1,3,1
*NGEN,NSET=SIDE_04
7,9,1
*NGEN,NSET=SIDE_05
2,8,3
*NSET,NSET=TOP_NODE
SIDE_01,SIDE_02,SIDE_03,SIDE_04,SIDE_05
*NCOPY,CHANGE NUMBER=10,OLD SET=TOP_NODE,NEW SET=BOT_NOD,SHIFT
0.0,0.0,-1.1

*ELEMENT,TYPE=DS6,ELSET=TOP_EL
1,1,3,9,2,6,5
2,1,9,7,5,8,4
*ELGEN,ELSET=BOTH
1,2,10,2
2,2,10,2
*ELSET,ELSET=BOTT_EL
3,4
*SHELL SECTION,ELSET=BOTH,MATERIAL=SOLMAT
1.0,5
*MATERIAL,NAME=SOLMAT
*CONDUCTIVITY
1.0, 
*surface,NAME=SURF_01
TOP_EL,SNEG
*surface,NAME=SURF_02
BOTT_EL,SPOS
*CONTACT PAIR,INTERACTION=GAP,TYPE=SURFACE
SURF_01,SURF_02
*SURFACE INTERACTION,NAME=GAP
*GAP RADIATION
.45167,.45167
1.,0.
1.,1.
** converted from old data: 5.E-10, 5.E-10
*STEP
*HEAT TRANSFER, STEADY STATE
*CONTROLS,PARAMETERS=FIELD,FIELD=TEMPERATURE
5.0E-4, 
*NODE FILE
NT,
RFL,
*EL PRINT,FREQ=0
*NODE PRINT
NT,
RFL, 
*BOUNDARY,OP=NEW
TOP_NODE,15,,100.0
BOT_NOD,11,15,50.0
*CONTACT PRINT
*CONTACT FILE
*END STEP