*HEADING
: DIRECT ENFORCEMENT DISPLACEMENT CONTROL FOR ELASTIC-PLASTIC MATERIAL
          LOW INITIAL STIFFNESS, INITIAL VOID W/ ISO THERMAL EXP. COEFF.,
          NOT ALIGNED W/ GLOBAL AXES, STACKED [GK3D4L]
** UVARM FOR GASKET ELEMENTS
*NODE,NSET=NALL
*ELEMENT,TYPE=GK3D4L,ELSET=EINT
*GASKET SECTION,ELSET=EINT,BEHAVIOR=IS
*GASKET BEHAVIOR,NAME=IS
*GASKET ELASTICITY,COMPONENT=MEMBRANE
*GASKET ELASTICITY,COMPONENT=TRANSVERSE SHEAR,VAR=FORCE
*GASKET THICKNESS BEHAVIOR,DIRECTION=LOADING,TYPE=ELASTIC-PLASTIC,VAR=FORCE,
YIELD=0.0870
*GASKET THICKNESS BEHAVIOR,DIRECTION=UNLOADING,TYPE=ELASTIC-PLASTIC,VAR=FORCE
*EXPANSION
1.e-2,
*USER OUTPUT VARIABLES
*******************************************
*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.
*TRANSFORM, NSET=NALL
*BOUNDARY
1,1,2
2,1,2
*******************************************
*STEP,INC=10000,NLGEOM
Test Normal Behavior of Gasket
*STATIC
.01,20.,,0.01
*BOUNDARY,AMP=HIST
5,2,2, 1.0
6,2,2, 1.0
NALL,3
*NODE PRINT,FREQ=0
U,RF
*EL PRINT,FREQ=148
S,
E,
NE,
EE,
PE,
EVOL,
THE,
TEMP,
UVARM1,
*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, 2, 0.0
5, 1, 2, 0.0
6, 2, 2, 0.0
2, 1, 1, -0.025
6, 1, 1, -0.025
4, 1, 1, -0.025
NALL,3
*END STEP
*******************************************
*STEP
Test Transverse Shear Stiffness of Element
*STATIC
*BOUNDARY,OP=NEW
1, 1, 2, 0.0
2, 1, 2, 0.0
5, 2, 2, 0.0
6, 2, 2, 0.0
5, 1, 1, -0.025
6, 1, 1, -0.025
NALL,3
*END STEP
*******************************************
*STEP
Free Thermal Expansion of Element
*STATIC
*BOUNDARY,OP=NEW
1,1,2
2,2
NALL,3
*TEMPERATURE,OP=NEW
NALL,100.
*END STEP
*******************************************