** OVERCONSTRAINT CHECKS: *RB AND *TIE
*PREPRINT,MODEL=YES,HISTORY=YES
*NODE
1001,0,0
1002,1,0
1003,1,1
1004,0,1
**
1005,0,1
1006,1,1
1007,1,2
1008,0,2
***
9001,0,0
9002,0,0
**
*ELEMENT,TYPE=B21,ELSET=b21
101,1001,1002
102,1005,1006
*ELSET,elset=rb1
101,
*ELSET,elset=rb2
102,
*beam section, elset=b21, section=circ , material=elas
3.0, 
*MATERIAL,name=elas
*ELASTIC
1000000,0.3
*****************
*ELEMENT,TYPE=CONN2D2,elset=beam
501,1001,1005
*CONNECTOR SECTION,elset=beam
BEAM,
*ELEMENT,TYPE=CONN2D2,elset=link
502,1002,1006
*CONNECTOR SECTION,elset=link
LINK,
*****************
*RIGID BODY,ELSET=rb1,ref node = 9001
*RIGID BODY,ELSET=rb2,ref node = 9002
*****************
*STEP,NLGEOM
*STATIC
0.1,1.0
*BOUNDARY
9001,1,2
9001,6,6
*NODE PRINT,F=10
U,
RF,
*OUTPUT,HISTORY,FREQ=0
*OUTPUT,FIELD,FREQ=10
*NODE OUTPUT
RF,
*CLOAD
1006,1,50
1006,2,50
*END STEP
*****************