*HEADING
: THERMALLY COUPLED CONTACT, FINITE SLIDING CONTACT WITH FRICTIONAL HEAT GENERATION, DEFORMABLE
*RESTART,WRITE,F=2
*NODE,NSET=ALL
*NGEN
*NSET,NSET=BOT,GEN
*NSET,NSET=TOP,GEN
**
*ELEMENT,TYPE=CGAX6MT,ELSET=DEAD
*SOLID SECTION,ELSET=DEAD,MATERIAL=DEAD
*MATERIAL,NAME=DEAD
*ELASTIC
30.E6,.3
*CONDUCTIVITY
10.000,
*SPECIFIC HEAT
0.001,
*DENSITY
1000.,
**
*ELEMENT,TYPE=CGAX6MT,ELSET=ACTIVE
*SOLID SECTION,ELSET=ACTIVE,MATERIAL=ACTIVE
*MATERIAL,NAME=ACTIVE
*ELASTIC
30.E6,.3
*CONDUCTIVITY
10.,
*DENSITY
1000.,
*SPECIFIC HEAT
.001,
**
*ELSET,ELSET=ETOP
*ELSET,ELSET=EBOT
*surface,NAME=ASURF
ETOP,S1
*surface,NAME=BSURF
EBOT,S1
*CONTACT PAIR,INTERACTION=ROUGH,SMOOTH=0.05
ASURF,BSURF
*SURFACE INTERACTION,NAME=ROUGH
*FRICTION,LAGRANGE
0.1,
** clearance dependent gap conductance not present
*GAP CONDUCTANCE,PRESSURE
*GAP HEAT GENERATION
**
*NSET,NSET=CONST
*EQUATION
CONST,1,1.0,113,1,-1.0
CONST,2,1.0,113,2,-1.0
**
*AMPLITUDE, NAME=SLIDE, VALUE=RELATIVE, TIME=STEP
0.0, 0.0,  0.2, 1.0,  0.4, 0.0,  0.6, -1.0
0.8, 0.0,  1.0, 0.0
**
*INITIAL CONDITIONS,TYPE=TEMP
ALL,0.0
**
*STEP,INC=50,NLGEOM,AMP=RAMP,UNSYMM=YES
Step 1
*COUPLED TEMPERATURE,DELTMX=100.
*CONTROLS,PARAMETERS=FIELD
1.0E-6,
*BOUNDARY
BOT,1,1
BOT,5,5
1,2,2
7,2,2
113,2,2
*CLOAD
113,1,-275.
*CONTACT PRINT,SLAVE=ASURF
*OUTPUT,FIELD,FREQ=10
*CONTACT OUTPUT,VARIABLE=PRESELECT,SLAVE=ASURF
*NODE PRINT
RF,NT11,RFL
*EL PRINT
S,
E,
TEMP,
HFL,
NFLUX,
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,
E,
TEMP,
NFLUX,
*OUTPUT,FIELD,FREQ=10
*NODE OUTPUT
NT,RFL
*PRINT,CONTACT=YES
*ENERGY PRINT,F=1
*END STEP
**
*STEP,INC=50,NLGEOM,AMP=RAMP,UNSYMM=YES
Step 2 - Generate 120 units of heat, 60 units absorbed
*COUPLED TEMPERATURE,DELTMX=100.
*BOUNDARY,AMPLITUDE=SLIDE
113, 2,2, 1.0607
113, 5,5, 0.5304
*END STEP
**
*STEP,INC=50,NLGEOM,AMP=RAMP,UNSYMM=YES
Step 3 - Go to steady state - TEMP=0.68
*COUPLED TEMPERATURE,DELTMX=100.
*END STEP