我自己想用ansys做一个基坑双排桩的模型，计算结果一直不收敛，请各位大侠看看我的编的错在哪里，俺是新手~~~~~，忘不吝赐教啊 KNvvYwFH]
finish f%ThS42
/clear )DG>omCY
/filname shuangpaizhuang 1 * z85 2@
/prep7 :[ P)t
%
!建立模型,beam3模拟桩和横梁,plane42模拟土体 Vd%%lv{v
et,1,beam3 oyfY>^bs
et,2,plane42 KAkD" (!
keyopt,2,3,2 !设置成平面应变 #^FDG1=
r,1,0.15,0.000281,0.15 *m$lAWB5D
mp,ex,1,25e9 !混凝土采用C25 Q6qIx=c4
mp,nuxy,1,0.2 nLvF^%P8
mp,dens,1,2500 o,(]w kF
mp,ex,2,6e9 I!-"SuBy4J
mp,nuxy,2,0.3 cl,\N\
mp,dens,2,1800 4 q- /R
tb,dp,2 +q<G%PwbV
tbdata,1,1e4,15 !定义粘聚力和内摩擦角 yzI`&?
P2
save 2&b?NqEeZ
!建平面模型 76 ] X
rectng,0,-15,-6,10 %mF:nU 4
rectng,0,2.5,-6,14 P6 G&3yPt
rectng,2.5,15,-6,14 L<dJWxf?D
nummrg,all !合并元素 , yd]R4M
numcmp,all !压缩编号 >G#SfE$0
/pnum,line,on !显示线,节点,面积编号 SHcFnxEAIH
/pnum,area,on z:gp\
/pnum,node,on +wPXDN#R
/replot "2m (*+
!划分网格,尺寸0.5m ;zF3e&e(
asel,all !划分土体 Sao4MkSz[]
aatt,2,,2 VA D9 mS^~
lsel,all (Mzv"F N]
lesize,all,0.5 } X|*+<
asel,all E!Ljq 3iT`
amesh,all A [c1E[
save |J:|56kVZq
finish ^mp#7OL
type,1 !生成混凝土桩和梁单元 gPT<%F
mat,1 z.vE RP56
real,1 'DeI]IeP
e,1069,1074 Q vc$D{z
*do,i,1074,1079 B
r`a;y T
e,i,i+1 3fBV
SFVS
*enddo (D5sJ$&E@\
e,1080,32 Z.QgL=
e,32,63 3:]c> GPQ
*do,i,63,45 qnc?&f
e,i,i-1 pHN o1-k\
*enddo uT :Yh6
*do,i,1041,1067 nXRT%[o&
e,i,i+1 ]0d j##5tJ
*enddo sd
m4zV]&
e,1068,1029 ]wxjd
l
e,1069,1073 !v fbgK
*do,i,1073,1071 b@s6jNhVO^
e,i,i-1 THN/ /}d
*enddo ./l^Iz&0
e,1070,1029 sV']p#HK0
save A.YXK%A%
finish %:S4OT8]
!施加约束 i$?$X,
/solu C
srxi'Pe
nsel,s,loc,x,14.8,15 !土体两远端和底端位移为0 1U?,}w
nsel,a,loc,x,-15,-14.8 70Z#Ej
d,all,ux k.5(d.*(
nsel,s,loc,y,-6,-5.8 Sdo mG?;kV
d,all,uy `W=3_
gplot NoAgZ{))
acel,0,10,0 !施加重力场 ahoXQ8c:\}
esel,s,type,,1 !杀死梁和桩单元 W[VbFsI&b
ekill,all XK +"
x!
save }w_r(g?\
nropt,full,, !采用牛顿-拉普森法 Vd&&GI(:?^
deltim,100,20,1000 !求解次数 %$Sm ei
allsel,all gc6Zy|^V4`
outres,all,all 5|<j Pc
solve +`RQ ^9
finish ](@HPAG]
save 3u,C I!
