*HEADING
          TWO DIMENSIONAL HEAT TRANSFER INTERFACE (CPS3T)
          GAP CONDUCTANCE
**
** The temperature at the NOUT nodes, based on a 1D model is:
** NT_out=100+HFL2*R_th; R_th=L/(kA);
** See ch. 1.7.1 of ABAQUS/Verification Manual  
**
*NODE,NSET=NALL
      1,          10.,        -0.1
      2,          10.,          -1.
      3,          11.,          -1.
      4,          11.,        -0.1
      5,          10.,           0.
      6,          11.,           0.
      7,          11.,           1.
      8,          10.,           1.
*NSET, NSET=SIDE3
7,8
*NSET, NSET=BOT
1,2,3,4
*NSET,NSET=QA_TEST
5,6
*NSET,NSET=NOUT
QA_TEST,
*ELEMENT,TYPE=CPS3T
1, 2, 3, 1
2, 1, 3, 4
*ELEMENT,TYPE=CPS3T
3, 5, 6, 8
4, 8, 6, 7
*ELSET, ELSET=TOP
3,4
*ELSET, ELSET=SOLID
1,2,3,4
*SOLID SECTION,ELSET=SOLID,MATERIAL=SOLMAT
*MATERIAL,NAME=SOLMAT
*CONDUCTIVITY
1., 
*SPECIFIC HEAT
46., 
*DENSITY
7850., 
*ELASTIC
1.0,0.0
*SURFACE,TYPE=ELEMENT, NAME=SURF3
3,S1
*SURFACE,TYPE=ELEMENT, NAME=SURF4
2,S3
*STEP
*DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT
 ,200000.
*CONTACT PAIR, INTERACTION=GAP,WEIGHT=1.0
SURF3,SURF4
*SURFACE INTERACTION, NAME=GAP
*GAP CONDUCTANCE
10.,0.
10.,10.
*BOUNDARY,OP=NEW
SIDE3,11,,100.
BOT,11,,50.
******************************
*FILE OUTPUT, NUM=1
*NODE FILE,NSET=NOUT
 NT,
*****************************
*OUTPUT,FIELD,NUM=1
*NODE OUTPUT,NSET=QA_TEST
NT
*NODE OUTPUT,NSET=NALL
NT
********************************
***OUTPUT, HISTORY,TIME INTERV=1E4
***NODE OUTPUT, NSET=NOUT
**NT, 
***ELEMENT OUTPUT, ELSET=TOP
**HFL2,
********
*OUTPUT, HISTORY,TIME INTERV=2.0E5
*ENERGY OUTPUT,VAR=ALL
********
*ENDSTEP