滞回曲线，打开大变形后不收敛。
浏览：103637
问题1，非线性滞回分析，是否需要同时考虑几何非线性和材料非线性。
问题2，再只考虑材料非线性的情况下， 滞回曲线很饱满。请高手回答，从图上看，是否进入弹塑性状态。
关键：我打开大变形后，滞回分析就不收敛。
附上命令流。
/PREP7
ANTYPE,STATIC
nlgeom,1
ET,1,BEAM188
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2.07e5
MPDATA,PRXY,1,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.85e-9
TB,BKIN,1,1,2,1
TBDATA,,235,6210,
SECTYPE, 1, BEAM, I, zhu, 2
SECOFFSET, CENT
SECDATA,150,150,150,8,8,6,0,0,0,0
SECTYPE, 2, BEAM, I, xian, 2
SECOFFSET, CENT
SECDATA,100,100,150,6,6,4,0,0,0,0
SECTYPE, 3, BEAM, I, fu, 2
SECOFFSET, CENT
SECDATA,100,100,100,6,6,4,0,0,0,0
SECTYPE, 4, BEAM, I, hao, 2
SECOFFSET, CENT
SECDATA,100,100,150,6,6,4,0,0,0,0
K,1,0,0,0,
K,2,1000,0,0,
K,3,2000,0,0,
K,4,3000,0,0,
K,5,0,1100,0,
K,6,1000,1100,0,
K,7,2000,1100,0,
K,8,3000,1100,0,
K,9,1500,1100,0,
K,10,1500,815,0,
K,11,0,1100,0,
K,12,1000,0,0,
K,13,1000,0,0,
K,14,2000,0,0,
K,15,2000,0,0,
K,16,3000,1100,0,
K,17,0,2000,0,
L,1,2,
L,2,3,
L,3,4,
L,5,6,
L,6,9,
L,9,7,
L,7,8,
L,5,1,
L,8,4,
L,6,2,
L,7,3,
L,9,10,
L,11,12,
L,10,13,
L,10,14,
L,15,16,
FLST,5,7,4,ORDE,2
FITEM,5,1
FITEM,5,-7
LSEL,S, , ,P51X
SMRT,6
FLST,5,7,4,ORDE,2
FITEM,5,1
FITEM,5,-7
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,2
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
FLST,5,6,4,ORDE,4
FITEM,5,10
FITEM,5,-11
FITEM,5,13
FITEM,5,-16
LSEL,S, , ,P51X
FLST,5,6,4,ORDE,4
FITEM,5,10
FITEM,5,-11
FITEM,5,13
FITEM,5,-16
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,3
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
LSEL,S, , , 8
CM,_Y,LINE
LSEL, , , , 8
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 8, ,1
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
LSEL,S, , , 9
CM,_Y,LINE
LSEL, , , , 9
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,1
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
LSEL,S, , , 12
CM,_Y,LINE
LSEL, , , , 12
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,4
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
ALLSEL,ALL
FLST,5,16,4,ORDE,2
FITEM,5,1
FITEM,5,-16
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1,20, , , , , , ,1
!*
FLST,2,16,4,ORDE,2
FITEM,2,1
FITEM,2,-16
LMESH,P51X
!*
/SHRINK,0
/ESHAPE,1.0
/EFACET,1
/RATIO,1,1,1
/CFORMAT,32,0
/REPLOT
!*
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/VIEW,1,1,1,1
/ANG,1
/REP,FAST
/VIEW,1,,,1
/ANG,1
/REP,FAST
!*
/SHRINK,0
/ESHAPE,0.0
/EFACET,1
/RATIO,1,1,1
/CFORMAT,32,0
/REPLOT
!*
FLST,4,1,1,ORDE,1
FITEM,4,5
cp,1,ux,302,1069
cp,2,uy,302,1069
CP,3,uz,302,1069
CP,4,ux,2,1220,1070
CP,5,uy,2,1220,1070
CP,6,uz,2,1220,1070
CP,7,ux,102,1412,1316
CP,8,uy,102,1412,1316
CP,9,uz,102,1412,1316
CP,10,ux,503,1413
CP,11,uy,503,1413
CP,12,uz,503,1413
NUMCMP,ALL
FLST,2,2,3,ORDE,2
FITEM,2,1
FITEM,2,4
!*
FLST,2,4,3,ORDE,2
FITEM,2,1
FITEM,2,-4
!*
/GO
DK,P51X, , , ,0,ALL, , , , , ,
FINISH
/REPLOT,RESIZE
/REPLOT,RESIZE
FINISH
/solu
outpr,basic,all
outres,all,all
d,302,ux,10
time,1
autots,on
nsubst,10,,1
kbc,0
lswrite,01,
!*
d,302,ux,-10
time,3
autots,on
nsubst,10,,1
kbc,0
lswrite,02,
!*
d,302,ux,15
time,5
autots,on
nsubst,10,,1
kbc,0
lswrite,03,
!*
d,302,ux,-15
time,7
autots,on
nsubst,10,,1
kbc,0
lswrite,04,
!*
d,302,ux,18
time,9
autots,on
nsubst,10,,1
kbc,0
lswrite,05,
!*
d,302,ux,-18
time,11
autots,on
nsubst,10,,1
kbc,0
lswrite,06,
!*
d,302,ux,18
time,13
autots,on
nsubst,10,,1
kbc,0
lswrite,07,
!*
d,302,ux,-18
time,15
autots,on
nsubst,10,,1
kbc,0
lswrite,08,
!*
d,302,ux,18
time,17
autots,on
nsubst,10,,1
kbc,0
lswrite,09,
!*
d,302,ux,-18
time,19
autots,on
nsubst,10,,1
kbc,0
lswrite,10,
!*
d,302,ux,20
time,21
autots,on
nsubst,10,,1
kbc,0
lswrite,11,
!*
d,302,ux,-20
time,23
autots,on
nsubst,10,,1
kbc,0
lswrite,12,
!*
d,302,ux,20
time,25
autots,on
nsubst,10,,1
kbc,0
lswrite,13,
!*
d,302,ux,-20
time,27
autots,on
nsubst,10,,1
kbc,0
lswrite,14,
!*
d,302,ux,20
time,29
autots,on
nsubst,10,,1
kbc,0
lswrite,15,
!*
d,302,ux,-20
time,31
autots,on
nsubst,10,,1
kbc,0
lswrite,16,
!*
d,302,ux,22
time,33
autots,on
nsubst,10,,1
kbc,0
lswrite,17,
!*
d,302,ux,-22
time,35
autots,on
nsubst,10,,1
kbc,0
lswrite,18,
!*
d,302,ux,22
time,37
autots,on
nsubst,10,,1
kbc,0
lswrite,19,
!*
d,302,ux,-22
time,39
autots,on
nsubst,10,,1
kbc,0
lswrite,20,
!*
d,302,ux,22
time,41
autots,on
nsubst,10,,1
kbc,0
lswrite,21,
!*
d,302,ux,-22
time,43
autots,on
nsubst,10,,1
kbc,0
lswrite,22,
!*
d,302,ux,24
time,45
autots,on
nsubst,10,,1
kbc,0
lswrite,23,
!*
d,302,ux,-24
time,47
autots,on
nsubst,10,,1
kbc,0
lswrite,24,
!*
d,302,ux,24
time,49
autots,on
nsubst,10,,1
kbc,0
lswrite,25,
!*
d,302,ux,-24
time,51
autots,on
nsubst,10,,1
kbc,0
lswrite,26,
!*
d,302,ux,24
time,53
autots,on
nsubst,10,,1
kbc,0
lswrite,27,
!*
d,302,ux,-24
time,55
autots,on
nsubst,10,,1
kbc,0
lswrite,28,
!*
d,302,ux,26
time,57
autots,on
nsubst,10,,1
kbc,0
lswrite,29,
!*
d,302,ux,-26
time,59
autots,on
nsubst,10,,1
kbc,0
lswrite,30,
!*
d,302,ux,26
time,61
autots,on
nsubst,10,,1
kbc,0
lswrite,31,
!*
d,302,ux,-26
time,63
autots,on
nsubst,10,,1
kbc,0
lswrite,32,
!*
d,302,ux,26
time,65
autots,on
nsubst,10,,1
kbc,0
lswrite,33,
!*
d,302,ux,-26
time,67
autots,on
nsubst,10,,1
kbc,0
lswrite,34,
!*
d,302,ux,28
time,69
autots,on
nsubst,10,,1
kbc,0
lswrite,35,
!*
d,302,ux,-28
time,71
autots,on
nsubst,10,,1
kbc,0
lswrite,36,
!*
d,302,ux,28
time,73
autots,on
nsubst,10,,1
kbc,0
lswrite,37,
!*
d,302,ux,-28
time,75
autots,on
nsubst,10,,1
kbc,0
lswrite,38,
!*
d,302,ux,28
time,77
autots,on
nsubst,10,,1
kbc,0
lswrite,39,
!*
d,302,ux,-28
time,79
autots,on
nsubst,10,,1
kbc,0
lswrite,40,
!*
d,302,ux,30
time,81
autots,on
nsubst,10,,1
kbc,0
lswrite,41,
!*
d,302,ux,-30
time,83
autots,on
nsubst,10,,1
kbc,0
lswrite,42,
!*
d,302,ux,30
time,85
autots,on
nsubst,10,,1
kbc,0
lswrite,43,
!*
d,302,ux,-30
time,87
autots,on
nsubst,10,,1
kbc,0
lswrite,44,
!*
d,302,ux,30
time,89
autots,on
nsubst,10,,1
kbc,0
lswrite,45,
!*
d,302,ux,-30
time,91
autots,on
nsubst,10,,1
kbc,0
lswrite,46,
!*
finish
/solu
lssolve,1,46,1
finish
!*
/post26
nsol,2,302,u,x
rforce,3,302,f,x
xvar,2
plvar,3,,,,,,,,,
问题2，再只考虑材料非线性的情况下， 滞回曲线很饱满。请高手回答，从图上看，是否进入弹塑性状态。
关键：我打开大变形后，滞回分析就不收敛。
附上命令流。
/PREP7
ANTYPE,STATIC
nlgeom,1
ET,1,BEAM188
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2.07e5
MPDATA,PRXY,1,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.85e-9
TB,BKIN,1,1,2,1
TBDATA,,235,6210,
SECTYPE, 1, BEAM, I, zhu, 2
SECOFFSET, CENT
SECDATA,150,150,150,8,8,6,0,0,0,0
SECTYPE, 2, BEAM, I, xian, 2
SECOFFSET, CENT
SECDATA,100,100,150,6,6,4,0,0,0,0
SECTYPE, 3, BEAM, I, fu, 2
SECOFFSET, CENT
SECDATA,100,100,100,6,6,4,0,0,0,0
SECTYPE, 4, BEAM, I, hao, 2
SECOFFSET, CENT
SECDATA,100,100,150,6,6,4,0,0,0,0
K,1,0,0,0,
K,2,1000,0,0,
K,3,2000,0,0,
K,4,3000,0,0,
K,5,0,1100,0,
K,6,1000,1100,0,
K,7,2000,1100,0,
K,8,3000,1100,0,
K,9,1500,1100,0,
K,10,1500,815,0,
K,11,0,1100,0,
K,12,1000,0,0,
K,13,1000,0,0,
K,14,2000,0,0,
K,15,2000,0,0,
K,16,3000,1100,0,
K,17,0,2000,0,
L,1,2,
L,2,3,
L,3,4,
L,5,6,
L,6,9,
L,9,7,
L,7,8,
L,5,1,
L,8,4,
L,6,2,
L,7,3,
L,9,10,
L,11,12,
L,10,13,
L,10,14,
L,15,16,
FLST,5,7,4,ORDE,2
FITEM,5,1
FITEM,5,-7
LSEL,S, , ,P51X
SMRT,6
FLST,5,7,4,ORDE,2
FITEM,5,1
FITEM,5,-7
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,2
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
FLST,5,6,4,ORDE,4
FITEM,5,10
FITEM,5,-11
FITEM,5,13
FITEM,5,-16
LSEL,S, , ,P51X
FLST,5,6,4,ORDE,4
FITEM,5,10
FITEM,5,-11
FITEM,5,13
FITEM,5,-16
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,3
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
LSEL,S, , , 8
CM,_Y,LINE
LSEL, , , , 8
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 8, ,1
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
LSEL,S, , , 9
CM,_Y,LINE
LSEL, , , , 9
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,1
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
LSEL,S, , , 12
CM,_Y,LINE
LSEL, , , , 12
CM,_Y1,LINE
CMSEL,S,_Y
!*
!*
CMSEL,S,_Y1
LATT,1, ,1, , 17, ,4
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ALLSEL,ALL
ALLSEL,ALL
FLST,5,16,4,ORDE,2
FITEM,5,1
FITEM,5,-16
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1,20, , , , , , ,1
!*
FLST,2,16,4,ORDE,2
FITEM,2,1
FITEM,2,-16
LMESH,P51X
!*
/SHRINK,0
/ESHAPE,1.0
/EFACET,1
/RATIO,1,1,1
/CFORMAT,32,0
/REPLOT
!*
/VIEW,1,1,2,3
/ANG,1
/REP,FAST
/VIEW,1,1,1,1
/ANG,1
/REP,FAST
/VIEW,1,,,1
/ANG,1
/REP,FAST
!*
/SHRINK,0
/ESHAPE,0.0
/EFACET,1
/RATIO,1,1,1
/CFORMAT,32,0
/REPLOT
!*
FLST,4,1,1,ORDE,1
FITEM,4,5
cp,1,ux,302,1069
cp,2,uy,302,1069
CP,3,uz,302,1069
CP,4,ux,2,1220,1070
CP,5,uy,2,1220,1070
CP,6,uz,2,1220,1070
CP,7,ux,102,1412,1316
CP,8,uy,102,1412,1316
CP,9,uz,102,1412,1316
CP,10,ux,503,1413
CP,11,uy,503,1413
CP,12,uz,503,1413
NUMCMP,ALL
FLST,2,2,3,ORDE,2
FITEM,2,1
FITEM,2,4
!*
FLST,2,4,3,ORDE,2
FITEM,2,1
FITEM,2,-4
!*
/GO
DK,P51X, , , ,0,ALL, , , , , ,
FINISH
/REPLOT,RESIZE
/REPLOT,RESIZE
FINISH
/solu
outpr,basic,all
outres,all,all
d,302,ux,10
time,1
autots,on
nsubst,10,,1
kbc,0
lswrite,01,
!*
d,302,ux,-10
time,3
autots,on
nsubst,10,,1
kbc,0
lswrite,02,
!*
d,302,ux,15
time,5
autots,on
nsubst,10,,1
kbc,0
lswrite,03,
!*
d,302,ux,-15
time,7
autots,on
nsubst,10,,1
kbc,0
lswrite,04,
!*
d,302,ux,18
time,9
autots,on
nsubst,10,,1
kbc,0
lswrite,05,
!*
d,302,ux,-18
time,11
autots,on
nsubst,10,,1
kbc,0
lswrite,06,
!*
d,302,ux,18
time,13
autots,on
nsubst,10,,1
kbc,0
lswrite,07,
!*
d,302,ux,-18
time,15
autots,on
nsubst,10,,1
kbc,0
lswrite,08,
!*
d,302,ux,18
time,17
autots,on
nsubst,10,,1
kbc,0
lswrite,09,
!*
d,302,ux,-18
time,19
autots,on
nsubst,10,,1
kbc,0
lswrite,10,
!*
d,302,ux,20
time,21
autots,on
nsubst,10,,1
kbc,0
lswrite,11,
!*
d,302,ux,-20
time,23
autots,on
nsubst,10,,1
kbc,0
lswrite,12,
!*
d,302,ux,20
time,25
autots,on
nsubst,10,,1
kbc,0
lswrite,13,
!*
d,302,ux,-20
time,27
autots,on
nsubst,10,,1
kbc,0
lswrite,14,
!*
d,302,ux,20
time,29
autots,on
nsubst,10,,1
kbc,0
lswrite,15,
!*
d,302,ux,-20
time,31
autots,on
nsubst,10,,1
kbc,0
lswrite,16,
!*
d,302,ux,22
time,33
autots,on
nsubst,10,,1
kbc,0
lswrite,17,
!*
d,302,ux,-22
time,35
autots,on
nsubst,10,,1
kbc,0
lswrite,18,
!*
d,302,ux,22
time,37
autots,on
nsubst,10,,1
kbc,0
lswrite,19,
!*
d,302,ux,-22
time,39
autots,on
nsubst,10,,1
kbc,0
lswrite,20,
!*
d,302,ux,22
time,41
autots,on
nsubst,10,,1
kbc,0
lswrite,21,
!*
d,302,ux,-22
time,43
autots,on
nsubst,10,,1
kbc,0
lswrite,22,
!*
d,302,ux,24
time,45
autots,on
nsubst,10,,1
kbc,0
lswrite,23,
!*
d,302,ux,-24
time,47
autots,on
nsubst,10,,1
kbc,0
lswrite,24,
!*
d,302,ux,24
time,49
autots,on
nsubst,10,,1
kbc,0
lswrite,25,
!*
d,302,ux,-24
time,51
autots,on
nsubst,10,,1
kbc,0
lswrite,26,
!*
d,302,ux,24
time,53
autots,on
nsubst,10,,1
kbc,0
lswrite,27,
!*
d,302,ux,-24
time,55
autots,on
nsubst,10,,1
kbc,0
lswrite,28,
!*
d,302,ux,26
time,57
autots,on
nsubst,10,,1
kbc,0
lswrite,29,
!*
d,302,ux,-26
time,59
autots,on
nsubst,10,,1
kbc,0
lswrite,30,
!*
d,302,ux,26
time,61
autots,on
nsubst,10,,1
kbc,0
lswrite,31,
!*
d,302,ux,-26
time,63
autots,on
nsubst,10,,1
kbc,0
lswrite,32,
!*
d,302,ux,26
time,65
autots,on
nsubst,10,,1
kbc,0
lswrite,33,
!*
d,302,ux,-26
time,67
autots,on
nsubst,10,,1
kbc,0
lswrite,34,
!*
d,302,ux,28
time,69
autots,on
nsubst,10,,1
kbc,0
lswrite,35,
!*
d,302,ux,-28
time,71
autots,on
nsubst,10,,1
kbc,0
lswrite,36,
!*
d,302,ux,28
time,73
autots,on
nsubst,10,,1
kbc,0
lswrite,37,
!*
d,302,ux,-28
time,75
autots,on
nsubst,10,,1
kbc,0
lswrite,38,
!*
d,302,ux,28
time,77
autots,on
nsubst,10,,1
kbc,0
lswrite,39,
!*
d,302,ux,-28
time,79
autots,on
nsubst,10,,1
kbc,0
lswrite,40,
!*
d,302,ux,30
time,81
autots,on
nsubst,10,,1
kbc,0
lswrite,41,
!*
d,302,ux,-30
time,83
autots,on
nsubst,10,,1
kbc,0
lswrite,42,
!*
d,302,ux,30
time,85
autots,on
nsubst,10,,1
kbc,0
lswrite,43,
!*
d,302,ux,-30
time,87
autots,on
nsubst,10,,1
kbc,0
lswrite,44,
!*
d,302,ux,30
time,89
autots,on
nsubst,10,,1
kbc,0
lswrite,45,
!*
d,302,ux,-30
time,91
autots,on
nsubst,10,,1
kbc,0
lswrite,46,
!*
finish
/solu
lssolve,1,46,1
finish
!*
/post26
nsol,2,302,u,x
rforce,3,302,f,x
xvar,2
plvar,3,,,,,,,,,
