*HEADING
: DISPLACEMENT CONTROL WITH VISCOELASTIC MATERIAL
          WITH DAMAGE [GK2D2, GK2D2N]
*NODE,NSET=NALL
*ELEMENT,TYPE=GKAX2,ELSET=EINT
*ELEMENT,TYPE=GKAX2N,ELSET=EINT
*GASKET SECTION,ELSET=EINT,BEHAVIOR=IS
*GASKET BEHAVIOR,NAME=IS
*GASKET ELASTICITY,COMPONENT=TRANSVERSE SHEAR,VARIABLE=FORCE
*GASKET THICKNESS BEHAVIOR,TYPE=DAMAGE,DIRECTION=LOADING,VARIABLE=FORCE
*GASKET THICKNESS BEHAVIOR,TYPE=DAMAGE,DIRECTION=UNLOADING,VARIABLE=FORCE
*VISCOELASTIC,FREQUENCY=TABULAR,TYPE=TRACTION,PRELOAD=UNIAXIAL
4.644,412.84,1.,0.
3.1396,408.888,15.8,0.
2.1416,406.132,25.1,0.
1.4556,404.248,39.8,0.
1.0172,402.9528,63.1,0.
0.71,402.0464,100.,0.
**
4.644,412.84,1.,0.45
3.1396,408.888,15.8,0.45
**
**
*GASKET CONTACT AREA
*ELEMENT,TYPE=MASS,ELSET=MASS
*MASS,ELSET=MASS
0.5
*BOUNDARY
1,1,2
3,1,1
*MPC
TIE,5,4
*******************************************
*STEP,NLGEOM
*STATIC
1.,1.
*BOUNDARY
2,2,2,-0.25
4,1,1,-0.25
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,PERTURBATION
*STEADY STATE DYNAMICS,DIRECT
8.4
*BOUNDARY
2,2,2,-0.05
4,1,1,-0.05
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,PERTURBATION
*STEADY STATE DYNAMICS,DIRECT
8.4
*BOUNDARY,LOAD CASE=2
2,2,2,-0.05
4,1,1,-0.05
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,NLGEOM
*STATIC
1.,1.
*BOUNDARY
2,2,2,-0.75
4,1,1,-0.75
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,PERTURBATION
*STEADY STATE DYNAMICS,DIRECT
81.55
*BOUNDARY
2,2,2,-0.05
4,1,1,-0.05
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,PERTURBATION
*STEADY STATE DYNAMICS,DIRECT
81.55
*BOUNDARY,LOAD CASE=2
2,2,2,-0.05
4,1,1,-0.05
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,NLGEOM
*STATIC
1.,1.
*BOUNDARY
2,2,2,-0.25
4,1,1,-0.25
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,PERTURBATION
*STEADY STATE DYNAMICS,DIRECT
81.55
*BOUNDARY
2,2,2,-0.05
4,1,1,-0.05
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP
*STEP,PERTURBATION
*STEADY STATE DYNAMICS,DIRECT
81.55
*BOUNDARY,LOAD CASE=2
2,2,2,-0.05
4,1,1,-0.05
*EL PRINT
S,
E,
CS11,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
*END STEP