*HEADING
 RING COLLAPSE ( 5 B21 )                        
*NODE,INPUT=RINGBM.NOD
*NORMAL
 1, 1, -1.
 5, 6, 0., -1.
*ELEMENT,TYPE=B21,ELSET=ONE
1,1,2
*ELGEN,ELSET=RING
1,5
*BEAM SECTION,SECTION=RECT,MATERIAL=A1,ELSET=RING
1.,1.
0.,0.,-1.
*MATERIAL,NAME=A1
*ELASTIC
30.E6, 
*BOUNDARY
1,2
1,6
6,1
6,6
*STEP,NLGEOM,INC=20
*STATIC
 .2,1.
*DLOAD
RING,P2,10.
*NODE PRINT,SUMMARY=NO
U,RF
*NODE FILE,FREQUENCY=5
U,RF
*PRINT,RESIDUAL=NO
*EL PRINT,FREQUENCY=999
S, 
*EL FILE,FREQUENCY=999
S, 
LOADS, 
*NODE FILE
U,RF
*END STEP