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麻烦大家帮我看看这两个命令流,第一个可以运行并求解,可第二个求解错误,不知道为什么!!:@Q
这两个的区别是模型大小不同,施加的力也不同,单元类型和材料常数一样,都是自由网格划分
我不要精确结果,只要能求解出来就可以,麻烦大家帮我看看,谢谢!!
第一个:
/prep7
et,1,plane42,,,3
r,1,30
mp,ex,1,29000
mp,prxy,1,0.27
k,1
k,2,2.5
k,3,52.5
k,4,52.5
k,5,52.5,12
k,6,102.5
k,7,105
k,8,105,40
k,9,52.5,40
k,10,,40
l,1,2
l,2,3
l,3,5
l,5,9
l,9,10
l,10,1
al,all
l,5,4
l,4,6
l,6,7
l,7,8
l,8,9
al,7,8,9,10,11,4
SMRT,6
MSHAPE,1,2D
MSHKEY,0
!*
FLST,5,2,5,ORDE,2
FITEM,5,1
FITEM,5,-2
CM,_Y,AREA
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
dk,2,ux
dk,2,uy
dk,6,uy
fk,9,fy,-3492.1
FINISH
/SOL
solve
FINISH
第二个:
/prep7
et,1,plane42,,,3
r,1,30
mp,ex,1,29000
mp,prxy,1,0.27
RECTNG,0,25,0,10,
RECTNG,12.25,12.25+0.5,0,5-0.25,
CYL5,12.25,4.8,12.75,4.75
FLST,2,2,5,ORDE,2
FITEM,2,2
FITEM,2,-3
AADD,P51X
FLST,2,2,5,ORDE,2
FITEM,2,1
FITEM,2,4
ASBA,1,4
SMRT,6
MSHAPE,1,2D
MSHKEY,0
!*
FLST,5,2,5,ORDE,2
FITEM,5,1
FITEM,5,-2
CM,_Y,AREA
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
k,12,2.5
k,13,25-2.5
k,14,12.5,10
dk,12,ux
dk,12,uy
dk,13,uy
fk,14,fy,-1
FINISH
/SOL
solve
FINISH
[ 本帖最后由 rodge 于 2008-4-26 00:53 编辑 ] |