*HEADING
 DEEP DRAWING OF CYLINDRICAL CUP WITH SAX1
*RESTART,WRITE,FREQUENCY=25
*NODE
*NGEN,NSET=BOT
*NSET,NSET=WRKPC,GENERATE
*NODE,NSET=DIE
*NODE,NSET=PUNCH
*NODE,NSET=HOLDER
*NSET,NSET=TOOLS
PUNCH,DIE,HOLDER
*NSET,NSET=CENTER
*ELEMENT,TYPE=SAX1,ELSET=BLANK
*ELGEN,ELSET=BLANK
*SHELL SECTION,MATERIAL=STEEL,ELSET=BLANK
.00082,5
*MATERIAL,NAME=STEEL
*ELASTIC
2.1E11,0.3
*PLASTIC,HARDENING=ISOTROPIC
  0.91294E+08, 0.00000E+00
  0.10129E+09, 0.21052E-03
  0.11129E+09, 0.52686E-03
  0.12129E+09, 0.97685E-03
  0.13129E+09, 0.15923E-02
  0.14129E+09, 0.24090E-02
  0.15129E+09, 0.34674E-02
  0.16129E+09, 0.48120E-02
*RIGID BODY,ANALYTICAL SURFACE=HOLDER,REF NODE=300
*SURFACE,TYPE=SEGMENTS,NAME=HOLDER,
FILLET RADIUS=0.001
START,0.12,1.75E-8
LINE,0.05625,1.75E-8
LINE,0.05625,.06
*RIGID BODY,ANALYTICAL SURFACE=DIE,REF NODE=100
*SURFACE,TYPE=SEGMENTS,NAME=DIE,
FILLET RADIUS=0.00541
START,0.05125,-0.060
LINE,0.05125,0.0
LINE,0.12,0.0
*RIGID BODY,ANALYTICAL SURFACE=PUNCH,REF NODE=200
*SURFACE,TYPE=SEGMENTS,NAME=PUNCH,
FILLET RADIUS=.01341
START,0.05,0.060
LINE,0.05,2.250782E-3
CIRCL,0.0,.0001,0.0,1.0001
LINE,-0.001,0.0001
**
** Contact with holder
**
*ELSET,ELSET=HOLD_CON,GENERATE
*SURFACE,NAME=HLD_SURF
HOLD_CON,SPOS
*CONTACT PAIR,INTERACTION=FRIC1
HLD_SURF,HOLDER
*SURFACE INTERACTION,NAME=FRIC1
*SURFACE BEHAVIOR,
PRESSURE-OVERCLOSURE=EXPONENTIAL
1.75E-8,4.5E6
*FRICTION
0.1,
**
** Contact with die
**
*ELSET,ELSET=DIE_CON,GENERATE
*SURFACE,NAME=DIE_SURF
DIE_CON,SNEG
*CONTACT PAIR,INTERACTION=FRIC2
DIE_SURF,DIE
*SURFACE INTERACTION,NAME=FRIC2
*FRICTION
0.1,
**
** Contact with punch
**
*ELSET,ELSET=PUN_CON2,GENERATE
*SURFACE,NAME=PCH_SURF
PUN_CON2,SPOS
*CONTACT PAIR,INTERACTION=FRIC3
PCH_SURF,PUNCH
*SURFACE INTERACTION,NAME=FRIC3
*FRICTION
0.25,
*SURFACE,TYPE=NODE,NAME=PCH_PNT
*CONTACT PAIR,INTERACTION=FRIC4
PCH_PNT,PUNCH
*SURFACE INTERACTION,NAME=FRIC4
*FRICTION
0.0,
**
**
*STEP,UNSYMM=YES
PUSH THE BLANKHOLDER DOWN BY A PRESCRIBED
DISPLACEMENT
*STATIC
1.,1.
*BOUNDARY
CENTER,1,1
CENTER,6,6
DIE,1,1
DIE,2,2
DIE,6,6
PUNCH,1,1
PUNCH,2,2
PUNCH,6,6
HOLDER,1,1
HOLDER,2,2,-1.75E-8
HOLDER,6,6
*MONITOR,NODE=200,DOF=2
*PRINT,CONTACT=YES
*NODE PRINT,NSET=TOOLS,FREQUENCY=100
COORD,U,RF
*EL PRINT,ELSET=BLANK,FREQUENCY=500
S,E
STH,
*CONTACT PRINT,FREQUENCY=500
*CONTACT FILE,FREQUENCY=500
*NODE FILE,NSET=TOOLS,FREQUENCY=10
U,RF
*END STEP
*STEP,NLGEOM, UNSYMM=YES
APPLY PRESCRIBED FORCE ON BLANKHOLDER AND
RELEASE DISPLACEMENT
*STATIC
1.,1.
*BOUNDARY,OP=NEW
CENTER,1,1
CENTER,6,6
DIE,1,1
DIE,2,2
DIE,6,6
PUNCH,1,1
PUNCH,2,2
PUNCH,6,6
HOLDER,1,1
HOLDER,6,6
*CLOAD
HOLDER,2,-100000.
*END STEP
*STEP,INC=500,NLGEOM,UNSYMM=YES
MOVE THE PUNCH DOWN
*STATIC
.01,1.,1.E-6
*CONTROLS,ANALYSIS=DISCONTINUOUS
*BOUNDARY,OP=NEW
CENTER,1,1
CENTER,6,6
DIE,1,1
DIE,2,2
DIE,6,6
PUNCH,1,1
PUNCH,2,2,-.06
PUNCH,6,6
HOLDER,1,1
HOLDER,6,6
*CLOAD
HOLDER,2,-100000.
*END STEP
*STEP,INC=1,NLGEOM, UNSYMM=YES
FIX ALL NODES AND REMOVE THE CONTACT SURFACES
*STATIC
1.,1.,1.,1.
*BOUNDARY,FIXED
WRKPC,1,6
*BOUNDARY,FIXED
CENTER,1,6
*MODEL CHANGE,TYPE=CONTACT PAIR,REMOVE
HLD_SURF,HOLDER
PCH_PNT,PUNCH
PCH_SURF,PUNCH
DIE_SURF,DIE
*CLOAD,OP=NEW
HOLDER,2,0.
*END STEP
*STEP,NLGEOM, UNSYMM=YES
REPLACE THE BOUNDARY CONDITIONS BY THE REGULAR SET
*STATIC
.1,1.,1.E-6
*BOUNDARY,OP=NEW
CENTER,1,1
CENTER,6,6
181,2,2
*END STEP