*HEADING
SELF CONTACT: GASKET                                    
**
*NODE, INPUT=selfcontact_gask_node.inp, NSET=NSET1
*NODE, NSET=DIE
    1001,     8.08006,       2.062
*NSET,NSET=NALL
NSET1, DIE
**
*NSET, NSET=BOTTOM
370, 404, 432, 460, 486, 508, 532, 561, 587, 609,
633, 657, 681, 694, 702, 703, 706, 707, 708, 709,
710, 711  
**
*NSET, NSET=LEFT
126, 153, 186, 222, 256, 292, 330, 368, 369, 370
**
**
*ELEMENT, TYPE=CPE4H, ELSET=GASKET, 
INPUT=selfcontact_gask_element1.inp
*ELEMENT, TYPE=CPE4, ELSET=BACKBONE, 
INPUT=selfcontact_gask_element2.inp
**
*ELSET,ELSET=ALLFEM
GASKET,BACKBONE
**
** gasket
**
*SOLID SECTION, ELSET=GASKET, MATERIAL=ELSTMR01
          1.,
**
** backbone
**
*SOLID SECTION, ELSET=BACKBONE, MATERIAL=PLASTIC
          1.,
**
** symm
**
*BOUNDARY
  LEFT  , 1,,          0.
  BOTTOM, 2,,          0.
**
** plastic
**
*MATERIAL, NAME=PLASTIC
**
*ELASTIC, TYPE=ISO
       8000.,         0.4
**
** Elastomer
**
*MATERIAL, NAME=ELSTMR01
**
*HYPERELASTIC, N=1
      0.35,      0.25
*****************************
**
** Contact definition
**
*****************************
*RIGID BODY,ANALYTICAL SURFACE=DIE,REF NODE=1001
*SURFACE,NAME=DIE, TYPE=SEGMENTS
START,  8.080, 2.062 
 LINE,  0.000, 2.062
**
*ELSET, ELSET=SKIN4, GEN
1, 64, 1
626, 638, 1
**
*SURFACE,NAME=SKIN
SKIN4, S4
   65, S3
**
*CONTACT PAIR,INTERACTION=INT2
SKIN,DIE
*CONTACT PAIR,INTERACTION=INT3
SKIN,SKIN
*SURFACE INTERACTION,NAME=INT2,TRACKING THICKNESS=5
*FRICTION
.05, 
*SURFACE INTERACTION,NAME=INT3,TRACKING THICKNESS=5
*FRICTION, ROUGH
*CONTACT DAMPING, DEFINITION=DAMPING COEFFICIENT
1.0e-1,0.02,0.5
**
********************
**
** Boundary conditions
**
********************
*BOUNDARY, OP=NEW
**
** topdie
**
DIE, 1,6,          0.
****************************************
**
** Step definition
**
****************************************
*STEP, INC=200, NLGEOM, UNSYMM=YES
*STATIC
0.05 , 1.0,  , 0.05
*BOUNDARY,OP=MOD
DIE,2, ,-0.61 
*PRINT, CONTACT=YES
*CONTACT FILE,FREQ=999
*CONTACT PRINT,FREQ=999
*EL PRINT, ELSET=GASKET, FREQ=999
S,
E,
*NODE PRINT, FREQ=999
U,
*OUTPUT,FIELD,FREQUENCY=200
*NODE OUTPUT,NSET=NALL
U,
*ELEMENT OUTPUT,ELSET=ALLFEM
S,
*CONTACT OUTPUT
CSTRESS,CDISP
*OUTPUT,HISTORY,FREQUENCY=1
*NODE OUTPUT,NSET=DIE
U,RF
*END STEP