*HEADING
 Raasch Challenge Problem, S4 elements.
 3 x 18 mesh
*RESTART,WRITE,FREQ=10
*NODE
  99996, 51.96152423, -16.,  0.
  99997, 51.96152423, -16., 20.
  99998, 0., 14,  0.
  99999, 0., 14, 20.
*NODE
    1,          0.,   0. ,   0.,  0.       , -1. , 0.
   11, 12.12435565,   7. ,   0.,  0.8660254, -0.5, 0.
   91, 97.96152423, -16. ,   0., -1.       ,  0. , 0.
 3001,          0.,   0., 20.,  0.       , -1. , 0.
 3011, 12.12435565,   7., 20.,  0.8660254, -0.5, 0.
 3091, 97.96152423, -16., 20., -1.       ,  0. , 0.
100001, 97.96152423, -16., 10. 
*NGEN,LINE=C,NSET=R14-B
    1,   11, 1, 99998
*NGEN,LINE=C,NSET=R14-T
 3001, 3011, 1, 99999
*NGEN,LINE=C,NSET=R46-B
   11,   91, 1, 99996
*NGEN,LINE=C,NSET=R46-T
 3011, 3091, 1, 99997
*NSET,NSET=BOT
 R14-B, R46-B
*NSET,NSET=TOP
 R14-T, R46-T
*NFILL,NSET=NALL
 BOT, TOP, 3, 1000
*NSET,NSET=WALL,GEN
 1, 3001, 1000
*ELEMENT,TYPE=S4
  1, 1, 6, 1006, 1001
*ELGEN,ELSET=EALL
 1,18,5,1, 3,1000,100
*SHELL SECTION,MATERIAL=A1,ELSET=EALL
 2.,3
*MATERIAL,NAME=A1
*ELASTIC
 3300, 0.35
*BOUNDARY
 WALL,1,6
*NSET,NSET=TIP
 91, 1091, 2091, 3091
*SURFACE, NAME=EDGE
 18, E2
 118, E2
 218, E2
*COUPLING, CONSTRAINT NAME=TIPLOAD, REF NODE=100001, SURFACE=EDGE
*DISTRIBUTING
*STEP,PERT
*STATIC
*CLOAD
100001,3,1.0
*NODE PRINT, NSET=TIP
 U,
*NODE FILE, NSET=TIP
 U,
*OUTPUT,FIELD
*NODE OUTPUT,NSET=TIP
U,
*ENDSTEP