做门式刚架特征值屈曲时有屈曲系数没有变形?

leozhao

我做的是门式刚架极限承载力，在做特征值屈曲分析能够得到屈曲荷载系数，但是没有变形，不知道是哪里出的问题，请大家帮我看看，谢谢！
这个是图，从图中看不到结构的变形，不知道什么原因
附命令流：
FINISH
/CLEAR
/FILENAME,BEAMSECTION1
*SET,H,0.3
*SET,B,0.08
*SET,J,0.025
*SET,T,0.002   !!!!T=2;2.5;3!!!!
/PREP7
BLC4,0,0,T,T
BLC4,0,T,T,H-2*T
BLC4,0,H-T,T,T
BLC4,T,H-T,B-2*T,T
BLC4,B-T,H-T,T,T
BLC4,B-T,H-T,T,T
BLC4,B-T,H-T,T,T-J
BLC4,T,0,B-2*T,T
BLC4,B-T,0,T,T
BLC4,B-T,T,T,J-T
!!!!!划分网格!!!!!
LSEL,S,,,6,8,2
LESIZE,ALL,,,10
LSEL,S,,,13,15,2
LSEL,A,,,29,31,2
LESIZE,ALL,,,4
LSEL,S,,,26,28,2
LSEL,A,,,38,40,2
LESIZE,ALL,,,2
LSEL,S,,,1,5,1
LSEL,A,,,7,14,7
LSEL,A,,,9,12,1
LSEL,A,,,16,25,1
LSEL,A,,,27,30,3
LSEL,A,,,32,37,1
LSEL,A,,,39
LESIZE,ALL,,,1
ET,1,PLANE82
AMESH,ALL
ALLSEL
NUMMRG,ALL
NUMCMP,ALL
!!!!对称!!!!
ARSYM,X,ALL
LSYMM,X,ALL
ALLSEL
NUMMRG,ALL
NUMCMP,ALL
ALLSEL
SECWRITE,T2
!!!!使用刚定义的梁截面!!!!!
FINISH
/CLEAR
/FILENAME,CFSAT10
*SET,FYC,235E6      !!!!!!!!!!C型钢屈服强度235;345 ;420!!!!
*SET,ZG,4.5      !!!!!!!!!!柱高!!!!
*SET,KD,12     !!!!!!!!!!刚架跨度!!!!
*SET,EC,2.06E11    !!!!!!!!!!C型钢弹性模量!!!!
*SET,PD,0.1       !!!!!!!!!!门式刚架坡度0.1,0.125,0.2!!!!!
*SET,P,8E3
/PREP7
ET,1,BEAM188
MPTEMP,,,,,,,,
MPTEMP,1,0
MP,EX,1,EC
MP,PRXY,1,0.3
TB,BKIN,1,1,2,1                 !!!!!!定义钢材本构模型为BKIN!!!!!!
TBTEMP,0
TBDATA,1,FYC,0.0          !!!!!!定义钢材的屈服强度!!!!
SECTYPE,1,BEAM,MESH
SECREAD,T2,,,MESH
!!!!!建立梁柱中心线!!!!
K,1,-KD/2,0,0
K,2,-KD/2,ZG/3,0
K,3,-KD/2,2*ZG/3,0
K,4,-KD/2,ZG,0
K,5,-KD/3,ZG+KD*PD/6,0
K,6,-KD/6,ZG+KD*PD/3,0
K,7,0,ZG+KD*PD/2,0
K,8,KD/6,ZG+KD*PD/3,0
K,9,KD/3,ZG+KD*PD/6,0
K,10,KD/2,ZG,0
K,11,KD/2,2*ZG/3,0
K,12,KD/2,ZG/3,0
K,13,KD/2,0,0
K,14,0,0,0
*DO,I,1,12,1
L,I,I+1
*ENDDO
LESIZE,ALL,,,33
LATT,1,,1,,14,,1
LSEL,S,,,1,3,1
LSEL,A,,,10,12,1
LMESH,ALL
ALLSEL
LATT,1,,1,,,14,1
LSEL,S,,,4,9,1
LMESH,ALL
ALLSEL
KSEL,S,,,1,13,12
DK,ALL,UX,,,,UY,UZ
ALLSEL
KSEL,S,,,4,10,6
DK,ALL,,,,,UZ,
ALLSEL
KSEL,S,,,2,3,1
KSEL,A,,,11,12,1
DK,ALL,,,,,UZ,
ALLSEL
KSEL,S,,,5,9,1
DK,ALL,,,,,UZ,
ALLSEL
LSEL,S,,,4,9,1
ESLL
SFBEAM,ALL,1,PRES,-1
/ESHAPE,1
EPLOT
SAVE
FINISH
/SOLU
PSTRES,ON               !!!!!打开预应力效应开关!!!!!
EQSLV,SPAR,,0
ALLSEL,ALL
OUTRES,ALL,ALL
SOLVE
FINISH
/SOLU
ANTYPE,1
BUCOPT,LANB,1
MXPAND,1
ALLSEL,ALL
OUTRES,ALL,ALL
SOLVE
*GET,F1,MODE,1,FREQ
*STATUS
SAVE
FINISH
/POST1
SET,LIST
SET,1,1
PLDISP
FINISH
/PREP7
UPGEOM,0.001,,,CFSAT10,RST
FINISH
/config,nres,300
/SOLU
ANTYPE,0
NLGEOM,1
EQSLV,SPAR
PSTRES,ON
LNSRCH,ON
LSEL,S,,,4,9,1
ESLL
SFBEAM,ALL,1,PRES,-P
AUTOS,ON
NSUBST,200,,,1
OUTRES,ALL,ALL
ALLSEL
SOLVE
SAVE
FINISH
/POST26
/AXLAB,X,DISPLACEMENT(mm)
/AXLAB,Y,FORCE(KN)
NSOL,2,513,U,Y,P1-UY
PROD,3,2,,,P1-UY,,,-1000
PROD,4,1,,,,,,P*12/1E3
XVAR,3
PLVAR,4
PRVAR,3,4

leozhao

斑竹能帮我看看吗？毕业要做这个，很着急。

CAE-Sword

请问您解决了吗