*HEADING
  TIE A SECONDARY SURFACE WITH A ANALYTICAL RIGID MAIN SURFACE 
  2D
  File name: xtie_xpl_rigid2d
*NODE,NSET=NALL
101,0.0,0.0
102,1.0,0.0
103,1.0,0.8
104,0.0,0.8
201,0.0,-2.0
202,1.0,-2.0
203,1.0,-1.2
204,0.0,-1.2
999,2.0,0.5
*ELEMENT,TYPE=CPE4R,ELSET=SELE
101,101,102,103,104
201,201,202,203,204
*SURFACE,TYPE=SEGMENTS,NAME=RIGID
START,1.1, 2.0
LINE, 1.1,-3.0
*RIGID BODY, ANALYTICAL SURFACE=RIGID, REF NODE=999
*SOLID SECTION, ELSET=SELE,MATERIAL=AL
*MATERIAL,NAME=AL
*ELASTIC
1.E+3,0.3
*DENSITY
1.E-6,
*SURFACE,NAME=LEFT1
101,S2
*NSET,NSET=LEFT2
202,203
*SURFACE,NAME=LEFT2,TYPE=NODE
LEFT2,1.0
*TIE,NAME=AAA,POSITION TOLERANCE=10.0
LEFT1,RIGID
LEFT2,RIGID
*BOUNDARY
999,1,2
**
*AMPLITUDE, NAME=AMP,DEFINITION=SMOOTH STEP
0.0,0.0,20.0E-3,1.0
*STEP
*DYNAMIC, EXPLICIT
,20.E-3
*BOUNDARY, AMPLITUDE=AMP
999,6,,1.0
*OUTPUT,FIELD,NUMBER=5
*NODE OUTPUT
U,
***ELEMENT OUTPUT
**S,MISES,
***OUTPUT,HISTORY,FREQ=1
***NODE OUTPUT,NSET=NALL
**U,V,A
***ENERGY OUTPUT
**ALLKE,ALLIE,ALLWK,ALLAE,ETOTAL
*END STEP