杆屈曲问题!
/PREP7ET,1,BEAM3
R,1,0.5,0.25*0.25/12,0.5
MP,EX,1,210E3
MP,PRXY,1,0.3
N,1,0,0,0
N,21,0,20,0
FILL
E,1,2
EGEN,20,1,1
FINI
/SOLU
ANTYPE,STATIC
D,1,UX
D,1,UY
D,21,UX
SFBEAM,ALL,2,-1
SFBEAM,ALL,2,PRES,-1
PSTRES,ON
SOLVE
FINI
/SOLU
ANTYPE,BUCKLE
BUCOPT,LANB,1
SOLVE
FINI
/POST1
SET,FIRST
SET,LIST
以下是显示的结果
*****INDEX OF DATA SETS ON RESULTS FILE*****
SET TIME/FREQ LOAD STEP SUBSTEPCUMULATIVE
12.5398 1 1 1
上面是书上一个关于屈曲的例子,结果为屈曲载荷,是不是超过这个载荷杆就会失稳? 是的,看材料力学书
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