*HEADING
: CONTACT PAIR LOAD CONTROL FOR ELASTIC MATERIAL WITH DAMAGE,
          INITIAL GAP, ORIENTATION [GK3D8N]
*NODE,NSET=NALL
*ELEMENT, TYPE=R3D4, ELSET=RIGID
*RIGID BODY, ELSET=RIGID, REF NODE=13
*ELEMENT,TYPE=GK3D8N,ELSET=EINT
*GASKET SECTION,ELSET=EINT,BEHAVIOR=IS
*GASKET BEHAVIOR,NAME=IS
*GASKET ELASTICITY,COMPONENT=MEMBRANE
*GASKET ELASTICITY,COMPONENT=TRANSVERSE SHEAR
**
** loading type : DE - Damaged Elasticity
**
*GASKET THICKNESS BEHAVIOR,TYPE=DAMAGE,DIRECTION=LOADING
*GASKET THICKNESS BEHAVIOR,TYPE=DAMAGE,DIRECTION=UNLOADING
*EXPANSION
1.e-2,
*******************************************
*AMPLITUDE,NAME=HIST
0.0,0.0, 1.0,-20., 2.0,-35., 3.0,-0.1,
4.0,-35., 5.0,-50., 6.0,-0.1, 7.0,-50.,
8.0,-65., 9.0,-0.1, 10.0,-65., 11.0,-80.,
12.0,-0.1, 13.0,-80., 14.0,-95., 15.0,-0.1,
16.0,-95., 17.0,-110., 18.0,-0.1, 19.0,-110.,
20.0,-125., 21.0,-0.1, 22.0,-125., 23.0,-140.,
24.0,-0.1, 25.0,-140., 26.0,-155., 27.0,-0.1,
28.0,-155., 29.0,-170., 30.0,-0.0
*BOUNDARY
1,1
2,1
3,1
4,1
13,1,1
13,3,6
*******************************************
*surface, NAME=SURFA
2,SNEG
*surface, NAME=SURFB
1,SPOS
*CONTACT PAIR, INTERACTION=SMOOTH,TIED,ADJUST=0.01
SURFB,SURFA
*SURFACE INTERACTION, NAME=SMOOTH
*STEP,INC=10000
Test Normal Behavior of Gasket
*STATIC
0.01,30.,,0.01
*CLOAD,AMP=HIST
13,2,1.0
*NODE PRINT,FREQ=0
U,
RF,
*NODE FILE,FREQ=148
U,
RF,
*EL PRINT,FREQ=0, ELSET=EINT
S,
E,
NE,
EE,
EVOL,
THE,
TEMP,
*OUTPUT,FIELD,FREQ=148,VAR=PRE
*EL FILE,FREQ=148, ELSET=EINT
E,
EE,
NE,
S,
EVOL,
THE,
*END STEP
**************************************
*STEP
Free Thermal Expansion of Element
*STATIC
*BOUNDARY,OP=NEW
1,1
2,1
3,1
4,1
*TEMPERATURE,OP=NEW
NALL,100.
*END STEP
***************************************