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【悬赏金币】回答本帖问题，作者shijian2222将赠送您 20 个金币

shijian2222

金虫 (小有名气)

应助: 0 (幼儿园)
金币: 1040.1
帖子: 59
在线: 28.7小时
虫号: 3942043
注册: 2015-06-26
性别: MM
专业: 岩土与基础工程

[求助] ANSYS模拟巷道底板加固求助！

本人想模拟巷道底板在布置底板锚杆后的塑性区分布，但是从第三个荷载步开始，加上锚杆以后就不收敛了！模拟的命令流如下，跪请走过路过的学过ANSYS的大神们帮忙看一下，本人已经研究了一个月了愣是出不来

万分感谢！！！

/prep7
k,1, 5.500000,3.485794
k,2,-5.500000,3.485794
k,3, 0.000000,4
k,5,-5.500000,-4.514206
k,6, 5.500000,-4.514206
k,8,-4.500000,-4.514206
k,9,-4.500000,-10.51421
k,10,-3.500000,-4.514206
k,11,-3.500000,-10.51421
k,12,-2.500000,-4.514206
k,13,-2.500000,-10.51421
k,14,-1.500000,-4.514206
k,15,-1.500000,-10.51421
k,16,-0.500000,-4.514206
k,17,-0.500000,-10.51421
k,18, 0.500000,-4.514206
k,19, 0.500000,-10.51421
k,20, 1.500000,-4.514206
k,21, 1.500000,-10.51421
k,22, 2.500000,-4.514206
k,23, 2.500000,-10.51421
k,24, 3.500000,-4.514206
k,25, 3.500000,-10.51421
k,26, 4.500000,-4.514206
k,27, 4.500000,-10.51421
k,28, 15.00000, 15.00000
k,29,-15.00000, 15.00000
k,31,-15.00000,-15.00000
k,33, 15.00000,-15.00000
k,37, 45.00000, 15.00000
k,39, 45.00000,-15.00000
k,43, 15.00000, 45.00000
k,45, 45.00000, 45.00000
k,49,-15.00000, 45.00000
k,53,-45.00000, 45.00000
k,55,-45.00000, 15.00000
k,59,-45.00000,-15.00000
k,63,-45.00000,-45.00000
k,65,-15.00000,-45.00000
k,69,15.00000,-45.00000
k,73,45.00000,-45.00000
larc,1,2,3,5.5
l,2,5
l,5,8
l,8,10
l,10,12
l,12,14
l,14,16
l,16,18
l,18,20
l,20,22
l,22,24
l,24,26
l,26,6
l,1,6
l,8,9
l,10,11
l,12,13
l,14,15
l,16,17
l,18,19
l,20,21
l,22,23
l,24,25
l,26,27
l,31,33
l,33,28
l,28,29
l,29,31
l,59,31
l,31,65
l,63,65
l,59,63
l,65,69
l,33,69
l,33,39
l,39,73
l,69,73
l,28,37
l,37,39
l,43,28
l,43,45
l,45,37
l,49,43
l,49,29
l,53,49
l,53,55
l,55,29
l,55,59
lsel,s,line,,1,14,1
al,all
lsel,s,line,,1,14,1
lsel,a,line,,25,28,1
al,all
allsel,all,all
al,29,30,31,32
al,25,30,33,34
al,34,35,36,37
al,26,35,39,38
al,38,40,41,42
al,27,40,43,44
al,44,45,46,47
al,28,29,47,48
lsel,s,line,,1,2,1
lsel,a,line,,14
cm,beam,line
lsel,s,line,,15,24,1
cm,anchor,line
asel,s,area,,3,10,1
cm,A_ROCK1,area
asel,s,area,,1
cm,B_ROCK,area
asel,s,area,,2
cm,A_ROCK2,area
!围岩
E_1=5e9
U_1=0.4
DENS_1=2620
C_1=1e7
FI_1=38
MP,EX,1,E_1
MP,PRXY,1,U_1
MP,DENS,1,DENS_1
TB,DP,1
TBDATA,1,C_1,FI_1

!锚杆
E_2=17E10
U_2=0.3
DENS_2=7900
MP,EX,2,E_2
MP,PRXY,2,U_2
MP,DENS,2,DENS_2

!衬砌
E_3=21e9
U_3=0.2
DENS_3=2900
MP,EX,3,E_3
MP,PRXY,3,U_3
MP,DENS,3,DENS_3

!开挖部分
MP,EX,4,E_1
MP,PRXY,4,U_1
MP,DENS,4,DENS_1
TB,DP,4
TBMODIF,1,1,C_1
TBMODIF,1,2,FI_1

ET,1,42
KEYOPT,1,3,2
et,2,3
keyopt,2,6,1
ET,3,1
r,1,0.3,0.3/12,0.3
r,2,3.14*(25e-3/2)**2

CMSEL,S,anchor,LINE
LATT,2,2,3
mshkey,0
LESIZE,ALL,0.1
mshape,1,2D
LMESH,ALL

CMSEL,S,beam,LINE
LATT,3,1,2
mshkey,0
LESIZE,ALL,0.1
mshape,1,2D
LMESH,ALL

CMSEL,S,A_ROCK2,AREA
AATT,1,,1
mshkey,0
ESIZE,0.8
mshape,1,2D
AMESH,ALL

CMSEL,S,A_ROCK1,AREA
AATT,1,,1
mshkey,0
ESIZE,2
mshape,0,2D
AMESH,ALL

CMSEL,S,B_ROCK,AREA
AATT,4,,1
mshkey,0
ESIZE,0.5
mshape,1,2D
AMESH,ALL

NSEL,S,LOC,Y,-45
D,ALL,ALL

LSEL,S,LINE,,22,26,2
SFL,ALL,PRES,2.8E6

LSEL,S,LINE,,27,31,2
dl,all,,ux
lsel,s,line,,19,23,4
lsel,a,line,,37
dl,all,,ux

ALLS
/SOLU
ANTYPE,STATIC
NLGEOM,ON
NROPT,FULL
OUTERS,ALL,ALL
NSUB,6,10

TIME,1
ACEL,,9.8
ESEL,S,MAT,,2,3,1
EKILL,ALL
ESEL,ALL
ESEL,S,LIVE
NSLE,S
NSEL,INVE
D,ALL,ALL
ALLS
SOLVE
SAVE,STEP1z2,DB

TIME,2
ESEL,S,MAT,,1,4,3
esel,u,mat,,1
EKILL,ALL
ESEL,ALL
ESEL,S,LIVE
NSLE,S
NSEL,INVE
D,ALL,ALL
ALLS
SOLVE
SAVE,STEP2z2,DB

TIME,3
ESEL,S,MAT,,2,3,1
EALIVE,ALL
NSLE,S
DDELE,ALL,ALL
ESEL,ALL
ESEL,S,LIVE
NSLE,S
NSEL,INVE
D,ALL,ALL
ALLS
SOLVE
SAVE,STEP3z2,DB

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