*HEADING
 : NAFEMS BENCHMARK EXAMPLE 3DNLG-8
 COLLAPSE OF A STRAIGHT PIPE SEGMENT UNDER PURE BENDING
*RESTART,WRITE,OVERLAY
*NODE
 101, 0.,-195.0,0.
 113, 0.,195.0,0.
 201,12.5,-195.0,0.
 213,12.5,195.0,0.
 301,25.0,-195.0,0.
 313,25.0,195.0,0.
*NODE,NSET=N300
300,25.0,0.,0.
*NGEN,LINE=C,NSET=SYMM
 101,113,1,0,0.,0.,0.,-25.0
*NGEN,LINE=C
 201,213,1,0,12.5,0.,0.,-25.0
 301,313,1,0,25.0,0.,0.,-25.0
*ELEMENT,TYPE=S4
1,101,201,202,102
*ELGEN,ELSET=ALL
1,12,1,1,2,100,12
*ELSET,ELSET=PRIN
 1,6
*SHELL SECTION,MATERIAL=A1,ELSET=ALL
10.0,7
*MATERIAL,NAME=A1
*ELASTIC
1.93E5,.26
*NSET,NSET=PXY
101,201,301,113,213,313
*BOUNDARY
PXY,3,5
SYMM,1
SYMM,5,6
300,2
*MPC,USER, MODE=NODE
1,301,301,300
1,302,302,300
1,303,303,300
1,304,304,300
1,305,305,300
1,306,306,300
1,307,307,300
1,308,308,300
1,309,309,300
1,310,310,300
1,311,311,300
1,312,312,300
1,313,313,300
2,301,302,303,304,305,306,307,308,309,310,311,312,313,300
*STEP,INC=100,NLGEOM
*STATIC
 .1,1.,,
*BOUNDARY
 300,6,6,.0012
*NODE PRINT,FREQUENCY=100,NSET=N300
UR3,RM3
*EL PRINT,FREQUENCY=0
*OUTPUT,HISTORY,FREQ=1
*NODE OUTPUT,NSET=N300
UR3
RM3
*END STEP
*STEP,INC=100,NLGEOM
*STATIC
 .1,1.,,
*BOUNDARY
 300,6,6,.0024
*END STEP
*STEP,INC=100,NLGEOM
*STATIC
 .1,1.,,
*BOUNDARY
 300,6,6,.004
*END STEP