*HEADING
 FILE NAME : 
 FEATURES TESTED : THREE DIMENTIONAL HEAT TRANSFER INTERFACE
                   GAP CONDUCTANCE
                   GAP RADIATION
*RESTART,WRITE
*NODE
  1, 10.0,  0.0, 0.
  3, 11.0,  0.0, 0.
  7, 10.0, -1.0, 0.
  9, 11.0, -1.0, 0.
101, 10.0,  0.0, 1.
103, 11.0,  0.0, 1.
107, 10.0, -1.0, 1.
109, 11.0, -1.0, 1.
 11, 10.0,  0.0,-1.
 13, 11.0,  0.0,-1.
 17, 10.0, -1.0,-1.
 19, 11.0, -1.0,-1.
111, 10.0,  0.0, 0.
113, 11.0,  0.0, 0.
117, 10.0, -1.0, 0.
119, 11.0, -1.0, 0.
*NSET,NSET=TOP_TEMP
101,103
107,109
*NSET,NSET=BOT_TEMP
11,13
17,19
*NSET,NSET=NOUT
TOP_TEMP,BOT_TEMP,
*ELEMENT,TYPE=SC8RT,ELSET=EALL
1,7,9,3,1,107,109,103,101
2,17,19,13,11,117,119,113,111
*ELSET,ELSET=TOP_EL
 1, 
*ELSET,ELSET=BOTT_EL
 2, 
*SHELL SECTION,ELSET=TOP_EL,MATERIAL=SOLMAT
1.0,5
*SHELL SECTION,ELSET=BOTT_EL,MATERIAL=SOLMAT
1.0,5
*MATERIAL,NAME=SOLMAT
*ELASTIC,TYPE=ISO
30.0E6, 0.3
*EXPANSION,TYPE=ISO,ZERO=0.0
10.0E-06,
*CONDUCTIVITY,TYPE=ISO
43.0, 
*DENSITY
7700.0, 
*SPECIFIC HEAT
600.0, 
*PHYSICAL CONSTANTS,STEFANB=5.6697E-08,ABSOLUTE ZERO=-460.0
*surface,NAME=SURF_01
TOP_EL,S1
*surface,NAME=SURF_02
BOTT_EL,S2
*CONTACT PAIR,INTERACTION=GAP,SMALL SLIDING, TYPE=SURFACE TO SURFACE
SURF_01,SURF_02
*SURFACE INTERACTION,NAME=GAP
*GAP CONDUCTANCE
1.0,0.0
1.0,1.0
*GAP RADIATION
3.4664e-2, 3.4664e-2
1.,0.
1.,1.
** converted from old data: 1.E-9, 1.E-9
**
** Apply temperatures to the top and bottom of the shells
**
*STEP
*COUPLED TEMPERATURE-DISPLACEMENT, STEADY STATE
 1., 1.
*NODE FILE,NSET=NOUT,F=10
NT,RFL
*EL FILE,ELSET=EALL,F=10
S,THE
*ENERGY FILE
*NODE PRINT,F=10
*EL PRINT,F=10
*BOUNDARY,OP=NEW
TOP_TEMP,1,3
BOT_TEMP,1,3
TOP_TEMP,11,11,1000.0
BOT_TEMP,11,11,50.0
*PRINT,CONTACT=YES
*CONTACT PRINT
HFL,HFLA,HTL,HTLA
*CONTACT FILE
HFL,HFLA,HTL,HTLA
*END STEP