*HEADING
CONN_STD_FREE_BUSHING: free vibration of spring-mass-dashpot
*NODE
706, 6,5,1
10707,7,6,2
*ELEMENT, TYPE=CONN3D2, ELSET=PROJCAR-PROJFLT
 1033, 706, 10707
*CONNECTOR SECTION, ELSET=PROJCAR-PROJFLT, BEHAVIOR=CB_CAR-ROT
 PROJECTION CARTESIAN, PROJECTION FLEXION-TORSION
 LDIRECTION,LDIRECTION_PERT
*CONNECTOR BEHAVIOR, NAME=CB_CAR-ROT
*CONNECTOR ELASTICITY, COMPONENT=1
 48.0,
*CONNECTOR DAMPING, COMPONENT=1
 5.0,
*CONNECTOR ELASTICITY, COMPONENT=2
 48.0,
*CONNECTOR DAMPING, COMPONENT=2
 5.0,
*CONNECTOR ELASTICITY, COMPONENT=3
 48.0,
*CONNECTOR DAMPING, COMPONENT=3
 5.0,
*CONNECTOR ELASTICITY, COMPONENT=4
 480.0,
*CONNECTOR DAMPING, COMPONENT=4
 50.0,
*CONNECTOR ELASTICITY, COMPONENT=5
 480.0,
*CONNECTOR DAMPING, COMPONENT=5
 50.0,
*CONNECTOR ELASTICITY, COMPONENT=6
 480.0,
*CONNECTOR DAMPING, COMPONENT=6
 50.0,
*ORIENTATION, NAME=LDIRECTION
** orientation used by most connectors
 1.,1.,1., 0.,-1.,1.
*ORIENTATION, NAME=LDIRECTION_PERT
 1.,1.,1., 0.001,-1.,1.
*ELEMENT, TYPE=MASS, ELSET=MASS
 1051,10707
*ELEMENT, TYPE=ROTARYI, ELSET=ROTI
 2051, 10707
*MASS, ELSET=MASS
 12.0
*ROTARY INERTIA, ELSET=ROTI
 120.0, 120.0, 120.0
*BOUNDARY
706,1,6,0
*STEP, PERT
 This step should produce the same results as the linear
 static step which follows
*STATIC
*CONNECTOR MOTION
 PROJCAR-PROJFLT,1,0.1
 PROJCAR-PROJFLT,2,0.1
 PROJCAR-PROJFLT,3,0.1
 PROJCAR-PROJFLT,4,0.1
 PROJCAR-PROJFLT,5,0.1
 PROJCAR-PROJFLT,6,0.1
*OUTPUT,HISTORY, FREQ=1
*ELEMENT OUTPUT, ELSET=PROJCAR-PROJFLT
 CP,CU,CV
*OUTPUT,FIELD, FREQ=1
*ELEMENT OUTPUT
 CU
*END STEP
************************************
*STEP, NLGEOM=NO
 Every dof should give the same answer.
*STATIC
*CONNECTOR MOTION
 PROJCAR-PROJFLT,1,0.1
 PROJCAR-PROJFLT,2,0.1
 PROJCAR-PROJFLT,3,0.1
 PROJCAR-PROJFLT,4,0.1
 PROJCAR-PROJFLT,5,0.1
 PROJCAR-PROJFLT,6,0.1
*OUTPUT,HISTORY, FREQ=1
*ELEMENT OUTPUT, ELSET=PROJCAR-PROJFLT
 CP,CU,CV
*OUTPUT,FIELD, FREQ=1
*ELEMENT OUTPUT
 CU
*NODE OUTPUT
 UT
*END STEP
************************************
*STEP, NLGEOM=NO, INC=200000
 Damped free vibration.
*DYNAMIC, ALPHA=0.0, HAFTOL=1.0E9
 0.02, 8.0
*CONNECTOR MOTION, OP=NEW
*OUTPUT,FIELD,VAR=PRESELECT
*OUTPUT,HISTORY, FREQ=1
*ELEMENT OUTPUT, ELSET=PROJCAR-PROJFLT
 CP,CU,CV
*OUTPUT,FIELD, FREQ=1
*ELEMENT OUTPUT
 CU
*NODE OUTPUT
 UT
*END STEP