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发表于 2011-8-21 17:34:36
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来自 河北石家庄
/PREP7
/TITLE, BUCKLING OF A BAR WITH HINGED SOLVES
ET,1,BEAM3 ! Beam element
R,1,.25,52083E-7,.5 ! Area,IZZ, height
MP,EX,1,30E6 ! Define material properties
N,1
N,11,,100
FILL
E,1,2
EGEN,10,1,1
FINISH
/SOLU
ANTYPE,STATIC ! Static analysis
PSTRES,ON ! Calculate prestress effects
D,1,ALL ! Fix symmetry ends
F,11,FY,-1 ! Unit load at free end
SOLVE
FINISH
/SOLU
ANTYPE,BUCKLE ! Buckling analysis
BUCOPT,LANB,1 ! Use Block Lanczos solution method, extract 1 mode
MXPAND,1 ! Expand 1 mode shape
SOLVE
FINISH
/POST1
SET,FIRST
PLDISP,1
FINISH |
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