*HEADING 
: DIRECT ENFORCEMENT DISPLACEMENT CONTROL FOR ELASTIC-PLASTIC MATERIAL 
          LOW INITIAL STIFFNESS, INITIAL GAP [GKAX6]
** DEPENDENCY ON FIELD VARIABLE AND TEMPERATURE FOR GASKET ELEMENTS
*NODE,NSET=NALL
1, 3.0,  0.0
2, 3.5,  0.0
3, 4.0,  0.0
4, 3.0,  1.0
5, 3.5,  1.0
6, 4.0,  1.0
*ELEMENT,TYPE=GKAX6,ELSET=EINT
1,1,2,3,4,5,6
*GASKET SECTION,ELSET=EINT,BEHAVIOR=IS
,0.1
*GASKET BEHAVIOR,NAME=IS
*GASKET ELASTICITY,COMPONENT=MEMBRANE,DEP=1
2000.,0.2,10.0 , 50.0
2000.,0.2,100.0, 50.0
2000.,0.2,10.0 ,150.0
2000.,0.2,100.0,150.0
*GASKET ELASTICITY,COMPONENT=TRANSVERSE SHEAR,DEP=1
200.,10.00, 50.0
200.,100.0, 50.0
200.,10.00,150.0
200.,100.0,150.0
*GASKET THICKNESS  BEHAVIOR,DIRECTION=LOADING,TYPE=ELASTIC-PLASTIC,
YIELD=0.0870,DEP=1
0.,0.      ,0.0,50.0
10.71,0.052,0.0,50.0
28.57,0.087,0.0,50.0
46.43,0.139,0.0,50.0
82.14,0.217,0.0,50.0
164.3,0.287,0.0,50.0
0.,0.      ,100.0,50.0
10.71,0.052,100.0,50.0
28.57,0.087,100.0,50.0
46.43,0.139,100.0,50.0
82.14,0.217,100.0,50.0
164.3,0.287,100.0,50.0
0.,0.      ,0.0,150.0
10.71,0.052,0.0,150.0
28.57,0.087,0.0,150.0
46.43,0.139,0.0,150.0
82.14,0.217,0.0,150.0
164.3,0.287,0.0,150.0
0.,0.      ,100.0,150.0
10.71,0.052,100.0,150.0
28.57,0.087,100.0,150.0
46.43,0.139,100.0,150.0
82.14,0.217,100.0,150.0
164.3,0.287,100.0,150.0
*GASKET THICKNESS BEHAVIOR,DIRECTION=UNLOADING,TYPE=ELASTIC-PLASTIC,
DEP=1
0.,0.087,0.087   ,0.0,50.0
14.28,0.122,0.087,0.0,50.0
46.43,0.139,0.087,0.0,50.0
0.,0.169,0.169   ,0.0,50.0
25.,0.20,0.169   ,0.0,50.0
82.14,0.217,0.169,0.0,50.0
0.,0.23,0.23     ,0.0,50.0
35.7,0.265,0.23  ,0.0,50.0
164.3,0.287,0.23 ,0.0,50.0
0.,0.087,0.087   ,100.0,50.0
14.28,0.122,0.087,100.0,50.0
46.43,0.139,0.087,100.0,50.0
0.,0.169,0.169   ,100.0,50.0
25.,0.20,0.169   ,100.0,50.0
82.14,0.217,0.169,100.0,50.0
0.,0.23,0.23     ,100.0,50.0
35.7,0.265,0.23  ,100.0,50.0
164.3,0.287,0.23 ,100.0,50.0
0.,0.087,0.087   ,0.0,150.0
14.28,0.122,0.087,0.0,150.0
46.43,0.139,0.087,0.0,150.0
0.,0.169,0.169   ,0.0,150.0
25.,0.20,0.169   ,0.0,150.0
82.14,0.217,0.169,0.0,150.0
0.,0.23,0.23     ,0.0,150.0
35.7,0.265,0.23  ,0.0,150.0
164.3,0.287,0.23 ,0.0,150.0
0.,0.087,0.087   ,100.0,150.0
14.28,0.122,0.087,100.0,150.0
46.43,0.139,0.087,100.0,150.0
0.,0.169,0.169   ,100.0,150.0
25.,0.20,0.169   ,100.0,150.0
82.14,0.217,0.169,100.0,150.0
0.,0.23,0.23     ,100.0,150.0
35.7,0.265,0.23  ,100.0,150.0
164.3,0.287,0.23 ,100.0,150.0
*EXPANSION
1.e-2,
*INITIAL CONDITIONS, TYPE=FIELD, VARIABLE=1
NALL, 112.0
*INITIAL CONDITIONS, TYPE=TEMPERATURE
NALL,  0.0
*******************************************
*AMPLITUDE,NAME=HIST
0.0,0.0, 1.0,-0.189, 2.0,-0.198, 3.0,-0., 
4.0,-0.198, 5.0,-0.205, 6.0,-0., 7.0,-0.205,
8.0,-0.31, 9.0,-0.0, 10.0,-0.31, 11.0,-0.32, 
12.0,-0.0, 13.0,-0.32, 14.0,-0.33, 15.0,-0.0, 
16.0,-0.33, 17.0,-0.339, 18.0,-0., 19.0,-0.339,
20.0,-0.417, 21.0,-0.0, 22.0,-0.417, 23.0,-0.440, 
24.0,-0., 25.0,-0.440, 26.0,-0.465, 27.0,-0.0, 
28.0,-0.47, 29.0,-0.495, 30.0,-0.
*BOUNDARY
1,1,2
2,1,2
3,1,2
*******************************************
*STEP,INC=10000,NLGEOM
Test Normal Behavior of Gasket
*STATIC
0.01,20.,,0.01
*PRINT, FREQUENCY=100
*OUTPUT, HISTORY, FREQUENCY=100
*BOUNDARY,AMP=HIST
4, 2,2,1.0
5, 2,2,1.0
6, 2,2,1.0
*NODE PRINT,FREQ=0
U,RF
*EL PRINT,FREQ=0
S , 
E, 
NE, 
EE, 
PE, 
EVOL, 
THE, 
TEMP, 
*OUTPUT, FIELD, FREQ=148
*NODE OUTPUT
U, 
RF, 
*ELEMENT OUTPUT
E, 
EE, 
NE, 
PE, 
S, 
EVOL, 
THE, 
*END STEP
*******************************************
*STEP
Test Membrane Behavior of Element
*STATIC
*BOUNDARY,OP=NEW
1, 1, 2, 0.0
2, 2, 2, 0.0
3, 1, 1, 0.025
3, 2, 2, 0.0
4, 1, 2, 0.0
5, 2, 2, 0.0
6, 1, 1, 0.025
6, 2, 2, 0.0
*END STEP
*******************************************
*STEP
Test Transverse Shear Stiffness of Element
*STATIC
*BOUNDARY,OP=NEW
1,  1,  2,  0.0
2,  1,  2,  0.0
3,  1,  2,  0.0
4,  1,  1,  0.025
4,  2,  2,  0.0
5,  1,  1,  0.025
5,  2,  2,  0.0
6,  1,  1,  0.025
6,  2,  2,  0.0
*END STEP
*******************************************
*STEP
Free Thermal Expansion of Element
*STATIC
*BOUNDARY,OP=NEW
1,2
2,2
3,2
*TEMPERATURE,OP=NEW
NALL,100.
*END STEP
*******************************************