我查看后发现我的单位确实有点问题,但是改了以后模型的变形还是特别大,应力也变大,如图
当我把力变小的时候,变形大体上还是如上图所示,现把命令流贴出来,请大家指点指点!!!
/PREP7
ET,1,BEAM188
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2E9
MPDATA,PRXY,1,,0.3
SECTYPE, 1, BEAM, CTUBE, , 0
SECOFFSET, CENT
SECDATA,50,54,20,0,0,0,0,0,0,0
SECTYPE, 2, BEAM, RECT, , 0
SECOFFSET, CENT
SECDATA,200,200,10,10,0,0,0,0,0,0
SECTYPE, 3, BEAM, CTUBE, , 0
SECOFFSET, CENT
SECDATA,69.5,79.5,20,0,0,0,0,0,0,0
K, ,,,,
K, ,,1350,,
K, ,,570,,
K, ,,2704,,
K, ,4400,2704,,
K, ,4400,570,,
K, ,4400,0,,
K, ,7100,2704,,
K, ,-2550,2704,,
K, ,,1949,,
K, ,4400,1949,,
K, ,,2704,-755,
K, ,4400,2704,-755,
K, ,,,-2600,
K, ,,1350,-2600,
K, ,,570,-2600,
K, ,,2704,-2600,
K, ,4400,2704,-2600,
K, ,4400,570,-2600,
K, ,4400,0,-2600,
K, ,7100,2704,-2600,
K, ,-2550,2704,-2600,
K, ,,1949,-2600,
K, ,4400,1949,-2600,
K, ,,2704,-2600+755,
K, ,4400,2704,-2600+755,
*AFUN,DEG
K, ,-1354*tan(30),2704,,
K, ,-1354*tan(30),2704,-2600,
K, ,2134*tan(35),2704,,
K, ,2134*tan(35),2704,-2600,
K, ,4400-2134*tan(35),2704,,
K, ,4400-2134*tan(35),2704,-2600,
K, ,4400+2134*tan(35),2704,,
K, ,4400+2134*tan(35),2704,-2600,
LSTR, 9, 8
LSTR, 1, 4
LSTR, 7, 5
LSTR, 3, 29
LSTR, 2, 27
LSTR, 6, 33
LSTR, 6, 31
KSEL,S,LOC,Z,-2600
LSTR, 22, 21
LSTR, 20, 18
LSTR, 14, 17
LSTR, 15, 28
LSTR, 16, 30
LSTR, 19, 32
LSTR, 19, 34
KSEL,S,LOC,X,0
LSTR, 4, 17
LSTR, 10, 12
LSTR, 25, 23
KSEL,S,LOC,X,4400
/REPLO
LSTR, 5, 18
LSTR, 24, 26
LSTR, 13, 11
ALLSEL,ALL !!!生成梁所在的线
FLST,2,20,4,ORDE,2
FITEM,2,1
FITEM,2,-20
LGLUE,P51X
LESIZE,ALL, , ,5, ,1, , ,1,
FLST,2,12,4,ORDE,8
FITEM,2,4
FITEM,2,-7
FITEM,2,11
FITEM,2,-14
FITEM,2,16
FITEM,2,-17
FITEM,2,19
FITEM,2,-20
LMESH,P51X
FLST,5,20,4,ORDE,12
FITEM,5,25
FITEM,5,-27
FITEM,5,29
FITEM,5,-31
FITEM,5,34
FITEM,5,-37
FITEM,5,42
FITEM,5,-44
FITEM,5,46
FITEM,5,-48
FITEM,5,51
FITEM,5,-54
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , , ,2
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
FLST,2,20,4,ORDE,12
FITEM,2,25
FITEM,2,-27
FITEM,2,29
FITEM,2,-31
FITEM,2,34
FITEM,2,-37
FITEM,2,42
FITEM,2,-44
FITEM,2,46
FITEM,2,-48
FITEM,2,51
FITEM,2,-54
LMESH,P51X
ALLSEL,ALL
LPLOT
FLST,5,14,4,ORDE,10
FITEM,5,21
FITEM,5,-24
FITEM,5,28
FITEM,5,32
FITEM,5,-33
FITEM,5,38
FITEM,5,-41
FITEM,5,45
FITEM,5,49
FITEM,5,-50
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , , ,3
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
FLST,2,46,4,ORDE,8
FITEM,2,4
FITEM,2,-7
FITEM,2,11
FITEM,2,-14
FITEM,2,16
FITEM,2,-17
FITEM,2,19
FITEM,2,-54
LMESH,P51X
FLST,2,4,1,ORDE,4
FITEM,2,71
FITEM,2,84
FITEM,2,115
FITEM,2,128
F,P51X,FY,-150000/4 !把重力平分到个支点在加力偶
FLST,2,2,1,ORDE,2
FITEM,2,71
FITEM,2,84
F,P51X,MX,-150/4*1.3*10e6
FLST,2,2,1,ORDE,2
FITEM,2,115
FITEM,2,128
F,P51X,MX,150/4*1.3*10e6
FLST,2,4,1,ORDE,4
FITEM,2,159
FITEM,2,184
FITEM,2,189
FITEM,2,210
D,P51X, , , , , ,ALL, , , , , !支柱底端全约束
/SOLU
SOLVE
FINISH |