第二步开挖5m收敛的，但第三步重启动开挖和支护不收敛，求高手指点
fini$/cle$/prep7
et,1,45
et,2,63
et,3,200,6
r,1,0.33 !车站站初喷
r,2,0.27 !行车道初喷
r,3,0.24 !匝道初喷
!r,4,0.02,6.7e-5,1.7e-5,0.2,0.1 !20a钢拱架(纵1m)
!r,5,3.14*0.011*0.011 !锚杆(横纵均1m)
mp,ex,1,0.2e9 !围岩
mp,prxy,1,0.35
mp,dens,1,1700
tb,dp,1
tbdata,1,1.8e5,24
mp,ex,2,3.94e6 !填土
mp,prxy,2,0.35
mp,dens,2,2000
tb,dp,2
tbdata,1,2e4,30
mp,ex,3,27.5e9 !初支
mp,prxy,3,0.2
mp,dens,3,2500
mp,ex,4,28e9 !二衬
mp,prxy,4,0.2
mp,dens,4,2500
mp,ex,5,2.1e11 !锚杆
mp,prxy,5,0.25
mp,dens,5,7700
tb,dp,5
tbdata,1,2e4*10,30
mp,ex,6,6e9
mp,prxy,6,0.3
mp,dens,6,2100
tb,dp,6
tbdata,1,7e5,39 !超前支护
mp,ex,7,16e9 !土体加固
mp,prxy,7,0.25
mp,dens,7,2500
tb,dp,7
tbdata,1,2.4e6,50
blc4,-50,-50,100,80
cyl4,,,5,,8
alls
aovlap,all
wprota,,-90$asbw,all
wprota,,,-90$asbw,all
mshkey,2$mshape
aatt,1,,3$esize,5
amesh,all
wpstyl,defa
*do,i,1,4
extopt,esize,1
extopt,aclear,1
mat,1
asel,s,loc,z,(1-i)*5
vext,all,,,,,-5
*enddo
alls
vsel,s,loc,y,,100
eslv,s
mpchg,2,all
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/sol
alls
csys
wpstyl,defa
acel,,9.8
asel,s,loc,x,-50
asel,a,loc,x,50
da,all,ux
asel,s,loc,y,-50
da,all,uy
asel,s,loc,z
asel,a,loc,z,-20
da,all,uz
antype,static
time,1
nsubst,10
autots,1 !使用自动时间步
nlgeom,on !打开大位移效果
nropt,full !采用完全NR法
pred,on !打开时间步长预测器
lnsrch,on !打开线性搜索
outres,all,last
alls
solve
fini
/sol
antype,,rest,1
csys,1
vsel,s,loc,x,,3
vsel,r,loc,z,,-5
eslv,s
ekill,all
!CNVTOL,F, ,0.05,2, ,
alls
solve
/post1
esel,s,live
plnsol,nl,epeq,,1
fini
/sol
antype,,rest,2
csys,1
vsel,s,loc,x,,3
vsel,r,loc,z,,-5
eslv,s
ekill,all
vsel,s,loc,x,3,5
csys
vsel,r,loc,y,,100
vsel,r,loc,z,,-5
eslv,s
mpchg,5,all
alls
solve
