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kakaqun

新虫 (小有名气)

应助: 4 (幼儿园)
金币: 902.9
帖子: 57
在线: 16.7小时
虫号: 3496291
注册: 2014-10-24
专业: 岩土与基础工程

[交流] 一个隧道底板加锚杆的算例，加上锚杆不收敛，请帮我看下命令流

建模是用cad，iges导入的，在附件中提供
/PREP 7
!ROCK
E_1=2.8e9
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

!ANCHOR
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

!LINER
E_3=28e9
U_3=0.2
DENS_3=2900
MP,EX,3,E_3
MP,PRXY,3,U_3
MP,DENS,3,DENS_3

!bROCK
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,3,180
r,1,0.2,0.2/12,0.2
R,2,3.14E-4,25

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,5E5

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

ALLS
/PREP 7
!ROCK
E_1=2.8e9
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

!ANCHOR
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

!LINER
E_3=28e9
U_3=0.2
DENS_3=2900
MP,EX,3,E_3
MP,PRXY,3,U_3
MP,DENS,3,DENS_3

!bROCK
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,3,180
r,1,0.2,0.2/12,0.2
R,2,3.14E-4,25

!GUI生成面和组，A_ROCK1 A_ROCK2 B_ROCK C_ROCK D_LINE E_ANCHOR
! A_ROCK1是外部原岩，A_ROCK2是巷道周边原岩，B是开挖掉原岩，c是注浆岩石，
！d是衬砌，e是锚杆

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,5E5

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

ALLS
/PREP 7
!ROCK
E_1=2.8e9
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

!ANCHOR
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

!LINER
E_3=28e9
U_3=0.2
DENS_3=2900
MP,EX,3,E_3
MP,PRXY,3,U_3
MP,DENS,3,DENS_3

!bROCK
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,3,180
r,1,0.2,0.2/12,0.2
R,2,3.14E-4,25

!GUI生成面和组，A_ROCK1 A_ROCK2 B_ROCK C_ROCK D_LINE E_ANCHOR
! A_ROCK1是外部原岩，A_ROCK2是巷道周边原岩，B是开挖掉原岩，c是注浆岩石，
！d是衬砌，e是锚杆

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,5E5

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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