*HEADING
 NON-LINEAR ELASTIC BEAM, AUTO H=10.
*ELEMENT,TYPE=B23
*ELGEN,ELSET=BEAM
*BEAM SECTION,ELSET=BEAM,SECTION=RECT,MATERIAL=A1
 1.,.125
 0.,0.,-1.
 3,
*MATERIAL,NAME=A1
*ELASTIC
 30.E6,
*DENSITY
 2.5362E-4,
*NODE
*NGEN
*NSET,NSET=NFIL
*BOUNDARY
 1,1,2
 1,6
 6,1
 6,6
*RESTART,WRITE,FREQUENCY=10
*STEP,INC=800,NLGEOM
*DYNAMIC,HAFTOL=10.
  25.E-6,5.E-3,,1.0E-5
*CLOAD
 6,2,320.
*ENERGY PRINT,FREQUENCY=10
*ENERGY FILE,FREQUENCY=10
*PRINT,RESIDUAL=NO,FREQUENCY=10
*NODE PRINT,FREQUENCY=20,SUMMARY=NO
U,V,A
CF,RF
*NODE FILE,NSET=NFIL
U,
*EL PRINT,FREQUENCY=100
S,E
SF,
*EL FILE,FREQUENCY=100
S,
SF,
E,
*END STEP