*HEADING
 TIP LOADED CANTILEVER  -  LARGE ROTATION  - 20 C3D8I
*NODE,NSET=N1
*NODE
*NODE,NSET=N2
*NGEN
*ELEMENT, TYPE=C3D8I, ELSET=BEAM
*ELGEN,ELSET=BEAM
*SOLID SECTION , ELSET=BEAM, MATERIAL=MATE1
*MATERIAL,NAME=MATE1
*ELASTIC
1.E8,
** *ELEMENT,TYPE=DCOUP3D,ELSET=TIPLOAD
** 1001,1001
** *DISTRIBUTING COUPLING, ELSET=TIPLOAD
** N1,1.0
*SURFACE, NAME=NODE_BASED_SURFACE, TYPE=NODE
N1, 1.0
*COUPLING, CONSTRAINT NAME=COUPLING_DEFINITION, REF NODE=1001, SURFACE=NODE_BASED_SURFACE
*DISTRIBUTING
*BOUNDARY
N2,1,3
*RESTART,WRITE,FREQUENCY=2
*STEP , NLGEOM      ,INC=25
LARGE ROTATION ANALYSIS
*STATIC
0.05 ,     1.0
*CLOAD
1001,2,269.35
*CONTROLS, PARAMETERS=FIELD
,0.0,
*ENERGY PRINT,FREQUENCY=5
*NODE PRINT,FREQUENCY=5
*EL PRINT,FREQUENCY=5
S,
E,
*NODE FILE,FREQUENCY=5
U,RF,CF
** *EL FILE, ELSET=TIPLOAD
** NFORC,
*END STEP