*HEADING
 RING COLLAPSE ( 2 S8R )                         
*NODE,INPUT=RINGSHL.NOD
*NSET,NSET=EDGE
101,102,103,104,105
*NSET,NSET=TOP
301,302,303,304,305
*ELEMENT,TYPE=S8R,ELSET=ONE
1,101,103,303,301,102,203,302,201
*ELGEN,ELSET=SHEL
 1,2,2,1
*SHELL SECTION,MATERIAL=A1,ELSET=SHEL
1.,3
*MATERIAL,NAME=A1
*ELASTIC
30.E6,.0
*NSET,NSET=Y0
101,201,301
*NSET,NSET=X0
 105,205,305
*BOUNDARY
X0,XSYMM
Y0,YSYMM
TOP,3,5
EDGE,3,5
*STEP,NLGEOM,INC=40
*STATIC
 .2,1.
*DLOAD
SHEL,P,-10.
*PRINT,RESIDUAL=NO
*NODE PRINT,FREQUENCY=2
*EL PRINT,ELSET=ONE,FREQUENCY=10,SUMMARY=NO
S, 
*EL FILE,ELSET=ONE
LOADS, 
S, 
*NODE FILE,NSET=EDGE
U, 
*NSET,NSET=RFOUT
X0,Y0
*NODE FILE,NSET=RFOUT
RF, 
*END STEP