*HEADING 
EGA4NDXK: CONTACT PAIR WITH LOAD CONTROL FOR ELASTIC-PLASTIC MATERIAL,
          HIGH INITIAL STIFFNESS [GKAX4N]
*NODE,NSET=NALL
1,    3.0,    0.0
2,    4.0,    0.0
3,    3.0,    1.0
4,    4.0,    1.0
*ELEMENT,TYPE=GKAX4N,ELSET=EINT
1,1,2,3,4
*GASKET SECTION,ELSET=EINT,BEHAVIOR=IS
*GASKET BEHAVIOR,NAME=IS
*GASKET ELASTICITY,COMPONENT=MEMBRANE
2000.,0.2
*GASKET ELASTICITY,COMPONENT=TRANSVERSE SHEAR
200.,
*GASKET THICKNESS  BEHAVIOR,DIRECTION=LOADING,TYPE=ELASTIC-PLASTIC
0. ,   0.
20.,   0.005
45.,   0.05
70.,   0.135
82.,   0.220
83.,   0.287
*GASKET THICKNESS BEHAVIOR,DIRECTION=UNLOADING,TYPE=ELASTIC-PLASTIC
0.00,   0.08,  0.08
14.0,   0.12,  0.08
70.0,   0.135, 0.08
0.00,   0.170, 0.17
25.0,   0.200, 0.17
82.0,   0.220, 0.17
0.00,   0.230, 0.23
36.0,   0.265, 0.23
83.0,   0.287, 0.23
*EXPANSION
1.e-2,
*rigid body,analytical surface=RIGID,REFNODE=10001
*surface,name=rigid,TYPE=SEGMENTS
START, 5.0, 1.0
LINE,  2.0, 1.0
*surface, NAME=DEFORM
EINT, SPOS
*CONTACT PAIR, INTERACTION=INTER, TIED,ADJUST=0.1
DEFORM, RIGID
*SURFACE INTERACTION, NAME=INTER
*******************************************
*AMPLITUDE,NAME=HIST
0.0,0.0, 1.0,-30., 2.0,-35., 3.0,-1., 
4.0,-35., 5.0,-10., 6.0,-1., 7.0,-37., 
8.0,-40., 9.0,-1., 10.0,-40., 11.0,-42., 
12.0,-1., 13.0,-42., 14.0,-44., 15.0,-1., 
16.0,-44., 17.0,-46.43, 18.0,-1., 19.0,-46.43,
20.0,-82.14, 21.0,-1., 22.0,-82.14, 23.0,-85., 
24.0,-1., 25.0,-85., 26.0,-100., 27.0,-1., 
28.0,-130., 29.0,-170., 30.0,-0.
*BOUNDARY
1,1
2,1
10001,1,1
10001,3,6
*******************************************
*STEP,INC=10000,NLGEOM
Test Normal Behavior of Gasket
*STATIC
0.01,20.,,0.01
*PRINT, FREQUENCY=100
*OUTPUT, FIELD, FREQUENCY=100
*OUTPUT, HISTORY, FREQUENCY=100
*CLOAD,OP=MOD,AMP=HIST
10001, 2, 40.0
*NODE PRINT,FREQ=0
U,RF
*NODE FILE,FREQ=148
U, 
RF, 
*EL PRINT,FREQ=0
S, 
E, 
NE, 
EE, 
PE, 
EVOL, 
THE, 
TEMP, 
*EL FILE,FREQ=148
E, 
EE, 
NE, 
PE, 
S, 
EVOL, 
THE, 
*END STEP
******************************************
*STEP
Thermal Expansion of Element
*STATIC
*BOUNDARY,OP=MOD
10001,2,2
*CLOAD,OP=NEW
*TEMPERATURE,OP=NEW
NALL,100.
*END STEP
*******************************************