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/PREP7
ET,1,SHELL181

mp,ex,1,1.1032e11
mp,prxy,1,0.31
mp,dens,1,4420
MP,DAMP,1,0.01                            !ÒýÈë²ÄÁÏ×èÄá  ¾ÍÊÇÕâÀïµÄÎÊÌâ

Lb=100/1000             !³¤
wb=100/1000             !¿í
Tb1=2/1000              !ºñ¶È      

SECTYPE,1,SHELL
SECDATA,Tb1,1,,7   
SECOFFSET,mid   

K,1,0,0,0.5*wb
K,2,Lb,0,0.5*wb
K,3,Lb,0,-0.5*wb
K,4,0,0,-0.5*wb

A,1,2,3,4

NL=10                   !³¤¶È·½Ïò»®·Öµ¥ÔªµÄ¸öÊý
NW=10                   !¿í¶È·½Ïò»®·Öµ¥ÔªµÄ¸öÊý

Type,1
MAT,1
SECNUM,1
LESIZE,1,,,NL
LESIZE,3,,,NL
LESIZE,2,,,NW
LESIZE,4,,,NW
AMESH,1

NSEL,S, LOC, x
D,all,all
ALLSEL,ALL

/SOLU
ANTYPE,MODAL
MODOPT,LANB,20
MXPAND,20,,,YES
SOLVE
FINISH

/SOLU                 !½øÈëÇó½âÆ÷
ANTYPE,3              
HROPT,MSUP,20,
HROUT,ON,OFF,OFF
MDAMP,1,0.0037, 0.0019, 0.0022 ,0.0029 ,0.0015 ,0.0011,
HROUT,ON
LUMPM,off

ACEL,0,-9.8,0
HARFRQ,0,2000,   
NSUBST,2000,
KBC,1
SOLVE                 !Çó½â
FINISH


/POST26
FILE,,RFRQ              !ʱ³Ìºó´¦Àí
NSOL,3,2,U,Y
/GRID,1
PLCPLX,0
PLVA,3
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