*HEADING
 : NAFEMS BENCHMARK EXAMPLE 3DNLG-9
 LARGE ELASTIC DEFLECTION OF PINCHED HEMISPHERICAL SHELL
*NODE
*NGEN,LINE=C,NSET=A
*NGEN,LINE=C,NSET=D
*NGEN,LINE=C,NSET=B
*NGEN,LINE=C,NSET=C
*NGEN,LINE=C,NSET=D
*NGEN,LINE=C,NSET=E
*NGEN,LINE=C,NSET=F
*NGEN,LINE=C,NSET=G
*NGEN,LINE=C,NSET=H
*NGEN,LINE=C,NSET=I
*NGEN,LINE=C,NSET=J
*NGEN,LINE=C,NSET=K
*NGEN,LINE=C,NSET=L
*NGEN,LINE=C,NSET=M
*NGEN,LINE=C,NSET=N
*NGEN,LINE=C,NSET=O
*NGEN,LINE=C,NSET=P
*NGEN,LINE=C,NSET=Q
*NGEN,LINE=C,NSET=R
*NGEN,LINE=C,NSET=S
*NSET,NSET=ALL
A,B,C,E,F,G,H,I,J,K,L,M,N,O,P,Q,
R,S
*NSET,NSET=LOADED
*ELEMENT,TYPE=STRI65
*ELGEN,ELSET=ALL
*SHELL SECTION,ELSET=ALL,MATERIAL=A
0.04,
*MATERIAL,NAME=A
*ELASTIC
6.825E7,0.3
*BOUNDARY
B,YSYMM
C,XSYMM
1,3
*RESTART,WRITE,FREQ=99
*STEP,INC=50,NLGEOM
*STATIC
0.1,1.0,,0.1
*CLOAD
1,1,-40.0
17,2,40.0
*EL PRINT,FRE=0
*NODE PRINT,FRE=100,NSET=LOADED
U,
CF,
*NODE FILE,FRE=1,NSET=LOADED
U,
CF,
RF,
*OUTPUT,FIELD,FREQ=1
*NODE OUTPUT,NSET=LOADED
U,
CF,
RF,
*END STEP
*STEP,INC=50,NLGEOM
*STATIC
0.1,1.0,,0.1
*CLOAD
1,1,-60.0
17,2,60.0
*END STEP
*STEP,INC=50,NLGEOM
*STATIC
0.1,1.0,,0.1
*CLOAD
1,1,-100.0
17,2,100.0
*END STEP