*HEADING : DISPLACEMENT CONTROL WITH VISCOELASTIC MATERIAL WITH DAMAGE [GK2D2, GK2D2N] *NODE,NSET=NALL 1,1.,0. 2,1.,1. 3,2.,0. 4,2.,1. 5,2.,1. *ELEMENT,TYPE=GKAX2,ELSET=EINT 1,1,2 *ELEMENT,TYPE=GKAX2N,ELSET=EINT 2,3,4 *GASKET SECTION,ELSET=EINT,BEHAVIOR=IS ,,,1.1,0.,1.,0. *GASKET BEHAVIOR,NAME=IS *GASKET ELASTICITY,COMPONENT=TRANSVERSE SHEAR,VARIABLE=FORCE 200., *GASKET THICKNESS BEHAVIOR,TYPE=DAMAGE,DIRECTION=LOADING,VARIABLE=FORCE 0.,0. 200.,0.5 300.,1. *GASKET THICKNESS BEHAVIOR,TYPE=DAMAGE,DIRECTION=UNLOADING,VARIABLE=FORCE 0.,0.,0.75 50.,0.5,0.75 250.,0.75,0.75 *VISCOELASTIC,FREQUENCY=TABULAR,TYPE=TRACTION 1.161E-2,-3.21E-2,1. 7.849E-3,-2.222E-2,15.8 5.354E-3,-1.533E-2,25.1 3.639E-3,-1.062E-2,39.8 2.543E-3,-7.382E-3,63.1 1.775E-3,-5.116E-3,100.0 *GASKET CONTACT AREA 1.0,0.0 1.5,1.0 *ELEMENT,TYPE=MASS,ELSET=MASS 3,2 4,5 *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,imaginary 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,imaginary 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,imaginary 2,2,2,-0.05 4,1,1,-0.05 *EL PRINT S, E, CS11, *OUTPUT,FIELD *ELEMENT OUTPUT S, E, *END STEP