*HEADING
  AXISYMMETRIC DISC BRAKE ANALYSIS
*NODE,NSET=CENTER
*NODE
*NODE,NSET=INNER
**
**
*NODE,NSET=OUTER
**
**
*NGEN,NSET=ALL
*NFILL,NSET=ALL
INNER, OUTER, 12, 100
*NSET, NSET=PADS, GENERATE
*NSET, NSET=PADBACK, GENERATE
*ELEMENT, TYPE=CAX4T
*ELGEN,ELSET=DISK
*ELSET,ELSET=SURF1
*ELSET,ELSET=SURF2, GENERATE
*ELSET,ELSET=SURF3, GENERATE
*ELSET,ELSET=SURF4, GENERATE
*ELEMENT, TYPE=CAX4T
*ELGEN,ELSET=PAD1
*ELGEN,ELSET=PAD2
*ELSET,ELSET=PADS
PAD1,PAD2
*ELSET,ELSET=PADBACK1,GENERATE
*ELSET,ELSET=PADBACK2,GENERATE
*ELSET,ELSET=FRIC1, GENERATE
*ELSET, ELSET=FRIC2,GENERATE
*ELSET, ELSET=PAD1EL,GENERATE
*ELSET, ELSET=PAD2EL,GENERATE
*SOLID SECTION,ELSET=DISK,MATERIAL=STEEL
*MATERIAL, NAME=STEEL
*ELASTIC
210.E9, .3
*EXPANSION
11.E-6,
*DENSITY
7800.,
*SPECIFIC HEAT
452.,
*CONDUCTIVITY
48.,
*SOLID SECTION,ELSET=PADS,MATERIAL=PAD
*MATERIAL, NAME=PAD
** THE MODULUS, DENSITY AND CONDUCTIVITY HAVE BEEN
** DIVIDED BY 18 TO ACCOUNT FOR THE FACT THAT THE
** PADS ARE NOT AXISYMMETRIC
*ELASTIC
16.66667E6, .25
*EXPANSION
57.E-6,
*DENSITY
125.,
*SPECIFIC HEAT
1000.,
*CONDUCTIVITY
0.05,
*surface, NAME=RING1
FRIC1,S4
*surface, NAME=RING2
FRIC2,S2
*surface, NAME=PAD1SURF
PAD1EL,S2
*surface, NAME=PAD2SURF
PAD2EL,S4
*SURFACE INTERACTION, NAME=INT
*FRICTION,USER,PROPERTIES=1
0.37,
*GAP CONDUCTANCE
*GAP HEAT GENERATION
*CONTACT PAIR, INTERACTION=INT,SMALL SLIDING
**PAD1SURF,RING1
**PAD2SURF,RING2
RING1,PAD1SURF
RING2,PAD2SURF
*INITIAL CONDITIONS, TYPE=TEMPERATURE
ALL,20.
*****
*RESTART,WRITE,FREQUENCY=5
**
*STEP, AMPLITUDE=RAMP
 START BRAKING: VELOCITY DECREASES LINEARLY OVER
 TIME IN 4.5 SECS
*COUPLED TEMPERATURE-DISPLACEMENT,DELTMX=100.
0.005, 0.01
*BOUNDARY
CENTER, 1, 2
PADBACK, 1
** PRESSURE LOAD DIVIDED BY 18 AS WELL
*DLOAD
PADBACK1, P4, 0.09444444E6
PADBACK2, P2, 0.09444444E6
*FILM
SURF1, F1, 20., 100.
SURF2, F2, 20., 100.
SURF3, F3, 20., 100.
SURF4, F4, 20., 100.
*PRINT, CONTACT=YES
*EL PRINT, FREQUENCY=100
S,
E,
*NODE PRINT, NSET=PADS, FREQUENCY=100
U1, U2, NT11, RF1, RF2
*NODE FILE, NSET=PADS, FREQUENCY=100
U, NT, RF
*END STEP
**
*STEP, AMPLITUDE=RAMP
 CONTINUE BRAKING: 0.01 TO 0.04 SECS
*COUPLED TEMPERATURE-DISPLACEMENT,DELTMX=10.
0.01, 0.04
*END STEP
**
*STEP, AMPLITUDE=RAMP
 CONTINUE BRAKING: 0.04 TO 4.5 SECS
*COUPLED TEMPERATURE-DISPLACEMENT,DELTMX=50.
0.1, 4.0, , .4
*END STEP
**
*STEP, AMPLITUDE=RAMP
 HEAT CONDUCTION WITH ZERO VELOCITY
*COUPLED TEMPERATURE-DISPLACEMENT,DELTMX=50.
1., 20.0, , 4.
*END STEP