*HEADING
 FILE NAME :
 FEATURES TESTED : THREE DIMENTIONAL HEAT TRANSFER INTERFACE
                   GAP CONDUCTANCE
                   GAP RADIATION
*RESTART,WRITE
*NODE
*NGEN,NSET=SIDE_01
*NGEN,NSET=SIDE_02
*NFILL,NSET=TOP_NODE
SIDE_01,SIDE_02,2,1
*NCOPY,CHANGE NUMBER=10,OLD SET=TOP_NODE,NEW SET=BOT_NOD1,SHIFT
*NSET,NSET=TOP_TEMP
*NSET,NSET=BOT_TEMP
*NSET,NSET=NOUT
TOP_TEMP,BOT_TEMP,
*ELEMENT,TYPE=S8RT,ELSET=TOP_EL
*ELGEN,ELSET=EALL
*ELSET,ELSET=BOTT_EL
*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,SNEG
*surface,NAME=SURF_02
BOTT_EL,SPOS
*CONTACT PAIR,INTERACTION=GAP,SMALL SLIDING
SURF_01,SURF_02
*SURFACE INTERACTION,NAME=GAP
*GAP CONDUCTANCE
*GAP RADIATION
** 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_NODE,1,6
BOT_NOD1,1,6
TOP_TEMP,15,15,1000.0
BOT_TEMP,11,11,50.0
*PRINT,CONTACT=YES
*CONTACT PRINT
HFL,HFLA,HTL,HTLA
*CONTACT FILE
HFL,HFLA,HTL,HTLA
*END STEP