*HEADING
THERMALLY COUPLED CONTACT, FINITE SLIDING CONTACT 
WITH FRICTIONAL HEAT GENERATION, DEFORMABLE
**
** See ch. 1.6.7 of ABAQUS/Verification Manual
**
*NODE,NSET=ALL
  1, 1., 0.,-0.01
  7, 7., 0.,-0.01
 11, 1., 1.,-0.01
 17, 7., 1.,-0.01
 21, 1., 0., 1.01
 27, 7., 0., 1.01
 31, 1., 1., 1.01
 37, 7., 1., 1.01
101, 3., 1.
105, 5., 1.
111, 3., 2.
115, 5., 2.
121, 3., 1., 1.0
125, 5., 1., 1.0
131, 3., 2., 1.0
135, 5., 2., 1.0
*NGEN, NSET=ALL
  1,  7
 11, 17
 21, 27
 31, 37
101,105
111,115
121,125
131,135
*NSET,NSET=QA_TEST
ALL,
*NSET,NSET=BOT,GEN
1,7
21,27
*NSET,NSET=TOP,GEN
111,115
131,135
**
*ELEMENT,TYPE=C3D6T,ELSET=DEAD
1,23,21,31,3,1,11
2,23,31,33,3,11,13
3,25,23,33,5,3,13
4,25,33,35,5,13,15
5,27,25,35,7,5,15
6,27,35,37,7,15,17
*SOLID SECTION,ELSET=DEAD,MATERIAL=DEAD
*MATERIAL,NAME=DEAD
*ELASTIC
30.E6,.3
*CONDUCTIVITY
10.000, 
*SPECIFIC HEAT
0.001, 
*DENSITY
1000., 
**
*ELEMENT,TYPE=C3D6T,ELSET=ACTIVE
101,123,121,131,103,101,111
102,123,131,133,103,111,113
103,125,123,133,105,103,113
104,125,133,135,105,113,115
*ELSET,ELSET=ETOP
101,103
*ELSET,ELSET=EBOT, GENERATE
2,6,2
*SOLID SECTION,ELSET=ACTIVE,MATERIAL=ACTIVE
*MATERIAL,NAME=ACTIVE
*ELASTIC
30.E6,.3
*CONDUCTIVITY
10.000, 
*SPECIFIC HEAT
0.001, 
*DENSITY
1000., 
**
*NSET,NSET=CONST
111,115,131,133,135
*EQUATION
2, 
CONST,1,1.0,113,1,-1.0
2, 
CONST,2,1.0,113,2,-1.0
**
**
*AMPLITUDE, NAME=SLIDE, VALUE=RELATIVE, TIME=STEP, DEFINITION=SMOOTH STEP
0.0, 0.0,  20., 1.0,  40., 0.0,  60., -1.0
80., 0.0,  100., 0.0
*AMPLITUDE, NAME=RAMP, DEFINITION=SMOOTH STEP
0.0,0.0,10.,1.0
**
*INITIAL CONDITIONS,TYPE=TEMP
ALL,20.0
**
*ELSET,ELSET=EALL
ACTIVE,DEAD
**
*SURFACE, NAME=ASURF
ETOP,S3
*SURFACE, NAME=BSURF
EBOT,S4
**
*STEP
STEP 1
*DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT, DIRECT
1.75e-3,10.
*CONTACT PAIR,INTERACTION=ROUGH,WEIGHT=0.0
ASURF,BSURF
*SURFACE INTERACTION, NAME=ROUGH
*FRICTION
0.1, 
*GAP CONDUCTANCE,PRESSURE
20.,0.
20.,100.
*GAP HEAT GENERATION
0.50, 
**
*BOUNDARY, TYPE=VELOCITY
BOT,2,3
TOP,3,3
1,1,1
7,1,1
21,1,1
27,1,1
113,1,1
*CLOAD,AMP=RAMP
113,2,-200.
*********************
*FILE OUTPUT,N=1
*NODE FILE,NSET=ALL
NT,
********************
*OUTPUT,FIELD,NUM=1
*NODE OUTPUT,NSET=QA_TEST
NT,
*NODE OUTPUT,NSET=ALL
U,
************
*CONTACT OUTPUT
CSTRESS,
*ELEMENT OUTPUT
S,
********************
***OUTPUT,HISTORY, FREQUENCY=500
***NODE OUTPUT,NSET=ALL
**U,NT
*******************
*OUTPUT,HISTORY, FREQUENCY=99999
*ENERGY OUTPUT,VAR=ALL
******************
*END STEP
**
*STEP
STEP 2 - GENERATE 120 UNITS OF HEAT, 60 UNITS ABSORBED
*DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT, DIRECT
1.75e-3,100.
*BOUNDARY,AMPLITUDE=SLIDE
113,1,1, 1.5
*END STEP
**
*STEP
STEP 3 - GO TO STEADY STATE - SHOULD GO TO TEMP=27.5
*DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT, DIRECT
5e-3,10.
*FIXED MASS SCALING, ELSET=EALL,FACTOR=1.E4
*END STEP