*HEADING
 NON-LINEAR ELASTIC BEAM, AUTO H=1000.         
*ELEMENT,TYPE=B23
 1,1,2
*ELGEN,ELSET=BEAM
 1,5
*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
 1,0.
 6,10.
*NGEN
 1,6
*NSET,NSET=NFIL
 6, 
*BOUNDARY
 1,1,2
 1,6
 6,1
 6,6
*RESTART,WRITE,FREQUENCY=10
*STEP,INC=400,NLGEOM
*DYNAMIC,HAFTOL=1000.
  25.E-6,5.E-3,,5.E-3
*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