/FILNAME,PIPE-BUCKLING,0
/TITLE,ANALYSIS OF PIPE-BUCKLING
/PREP7  
ET,1,SHELL163  
KEYOPT,1,1,10
R,1 ,5/6,5,2.5e-3, , , ,
MP,DENS,1,7800  
MP,EX,1,2.07e+11
MP,NUXY,1,0.27  
TB,BISO,1,,,,   
TBDAT,1,3.0e8   
TBDAT,2,1.0e10
k,1,0,0,0
k,2,0,0,1
/VIEW, 1 ,1,1,1                   
/REP,FAST
LSTR,1,2
CIRCLE,1,0.15

ADRAG,2,3,4,5,,,1

AATT, 1, 1, 1,  0,  
ESIZE,0.01
AMESH,ALl

NSEL,S,LOC,Z,-0.001,0.001

D,ALL, , , , , ,ALL, , , , ,
ALLSEL,ALL