*HEADING
: HEAT TRANSFER INTERFACE, GAP RADIATION  [DGAP]
*NODE
1, 10.
3, 11.
13, 11.
*ELEMENT,TYPE=DC1D2,ELSET=ROD
1, 1,3
*ELEMENT,TYPE=DGAP,ELSET=GAP
11,3,13
*SOLID SECTION,ELSET=ROD,MATERIAL=RODMAT
1., 
*MATERIAL,NAME=RODMAT
*CONDUCTIVITY
1., 
*GAP,ELSET=GAP
0.,1.,0.,0.,1.
*GAP RADIATION
.4516712, .4516712
1.,0.,
1.,1.
** converted from old data: 5.E-10,5.E-10
*PHYSICAL CONSTANTS, ABSOLUTE ZERO=-460., STEFAN BOLTZMAN=.1714E-8
*STEP
*HEAT TRANSFER, STEADY STATE
*OUTPUT,FIELD
*NODE OUTPUT
NT,
RFL,
*EL PRINT,FREQ=0
*NODE PRINT
 NT,
 RFL,
*BOUNDARY
1,11,,100.
13,11,,50.
*END STEP