*HEADING
CONN_STD_FREE_BUSHING: free vibration of spring-mass-dashpot
*NODE
*ELEMENT, TYPE=CONN3D2, ELSET=PROJCAR-PROJFLT
*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
*CONNECTOR DAMPING, COMPONENT=1
*CONNECTOR ELASTICITY, COMPONENT=2
*CONNECTOR DAMPING, COMPONENT=2
*CONNECTOR ELASTICITY, COMPONENT=3
*CONNECTOR DAMPING, COMPONENT=3
*CONNECTOR ELASTICITY, COMPONENT=4
*CONNECTOR DAMPING, COMPONENT=4
*CONNECTOR ELASTICITY, COMPONENT=5
*CONNECTOR DAMPING, COMPONENT=5
*CONNECTOR ELASTICITY, COMPONENT=6
*CONNECTOR DAMPING, COMPONENT=6
*ORIENTATION, NAME=LDIRECTION
** orientation used by most connectors
*ORIENTATION, NAME=LDIRECTION_PERT
*ELEMENT, TYPE=MASS, ELSET=MASS
*ELEMENT, TYPE=ROTARYI, ELSET=ROTI
*MASS, ELSET=MASS
 12.0
*ROTARY INERTIA, ELSET=ROTI
 120.0, 120.0, 120.0
*BOUNDARY
706,1,6,0
**
*NSET,NSET=D111
*NSET,NSET=PROJFLT
*AMPLITUDE, NAME=COSINE, DEF=PERIODIC
 1, 2.0, 0.0, 0.0
 1.0, 0.0
*INITIAL CONDITIONS, TYPE=VELOCITY
 D111,1, 1.33809298
 D111,2,-0.51648461
 D111,3, 0.84116041
 PROJFLT,4, 1.33809298
 PROJFLT,5,-0.51648461
 PROJFLT,6, 0.84116041
*STEP, NLGEOM=YES, INC=200000
 Damped free vibration.
*DYNAMIC, ALPHA=0.0, NOHAF
 0.075, 8.0
*CONNECTOR LOAD, AMP=COSINE
PROJCAR-PROJFLT,1, 4.8
PROJCAR-PROJFLT,2, 4.8
PROJCAR-PROJFLT,3, 4.8
PROJCAR-PROJFLT,4, 48.0
PROJCAR-PROJFLT,5, 48.0
PROJCAR-PROJFLT,6, 48.0
*OUTPUT,FIELD,VAR=PRESELECT
*OUTPUT,HISTORY, FREQ=1
*ELEMENT OUTPUT, ELSET=PROJCAR-PROJFLT
 CP,CU,CV
*END STEP