*HEADING
 : NAFEMS BENCHMARK EXAMPLE 3DNLG-8
 COLLAPSE OF A STRAIGHT PIPE SEGMENT UNDER PURE BENDING
*RESTART,WRITE,OVERLAY
*NODE
*NODE,NSET=N300
*NGEN,LINE=C,NSET=SYMM
*NGEN,LINE=C
*ELEMENT,TYPE=S4
*ELGEN,ELSET=ALL
*ELSET,ELSET=PRIN
*SHELL SECTION,MATERIAL=A1,ELSET=ALL
10.0,7
*MATERIAL,NAME=A1
*ELASTIC
1.93E5,.26
*PLASTIC
272.0,0.0
346.0,0.00473
379.0,0.01264
404.0,0.02836
424.0,0.04910
*NSET,NSET=PXY
*BOUNDARY
PXY,3,5
SYMM,1
SYMM,5,6
300,2
*MPC,USER, MODE=NODE
*STEP,INC=100,NLGEOM
*STATIC
 .1,1.,,.05
*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.,,.05
*BOUNDARY
 300,6,6,.0024
*END STEP
*STEP,INC=100,NLGEOM
*STATIC
 .1,1.,,.05
*BOUNDARY
 300,6,6,.004
*END STEP