大家好,我做的是一个桩土接触分析问题,想把一个桩从土中拔出,施加两个荷载步,第一步,施加重力荷载,第二步把桩从中拔出,在运行第二步时出了问题,算不下去,请大师不吝指教 ,不胜感激。命令流如下: !Pfr,a
FINI Pw`8Wj
/CLEAR w;:*P
j[J-f@F \Y
/filname,pile-soil contact #r~# I}U
/title,pile (m(JK^
!/config,nres,2000000 ">,|V-H
/units,si !国际单位制 A&Usddcp
jZkcBIK2
fe=0.1 !摩擦系数 H;k~oIsk
fkn=10 !法向接触刚度 Ww+IWW@
fkt=3!切向接触刚度 2*l/3VW
ftoln=1 !初始渗透因子 6Vnsi%{
fact=2!静动摩擦系数 fW1CFRHH
:vQrOn18p
/prep7 }?_?V&K|
qvKG-|j
et,1,solid45 _FU_Ubkr
A>;bHf@
mp,ex,1,7.2e10 !桩的弹性模量,根据管壁厚度折算 (Y? gn)*t
mp,nuxy,1,0.3 !桩的泊松比 .|>3k'<l
mp,dens,1,2000 !桩的密度
goOCu
!mp,mu,1,fe !桩体性质 bSi%2Onj
x,@B(9No
mp,ex,2,2e8 !土的弹性模量,经验取值 U-(01-
mp,nuxy,2,0.3 !土的泊松比 S3*`jF>q
mp,dens,2,2000 !土的饱和密度 pG^
tb,dp,2 vDhh>x(
tbdata,1,0,30 !粘聚力c为0,摩擦角为30 rCbDu&k]
jB Z&Ad@e
!创建桩模型 4=.89T#<
cylind,0,0.1,-0.1,7.1,0,90 ^Hnb}L
!创建土体模型 1N#|
}ad
cylind,0.1,0.6,0,7,0,90 H0gbSd+
x$.^"l-vX
!桩体划分网格 )9'K($
allsel,all :tB1D@Cb6
vsel,s,,,1 c&?m>2^6
aslv,s %XoiVlT@:
lsla,s (!7sE9rP
lesize,1,,,6 r|fL&dtr
lesize,2,,,6 S\YTX%Xm}
lesize,3,,,6 U}e!Wjrc
lesize,4,,,6 PI:4m%[
lesize,5,,,6 .* ?wF
lesize,6,,,6 F Q7T'G![
lesize,7,0.05 s_OF( o
lesize,8,0.05 5z8d}
I
lesize,9,0.05 Fg5kX
type,1 kYqU9cB~
mat,1 IS{wtuA.
mshape,0,3d i$:*Pb3mV
mshkey,1 'qb E=
vmesh,all F^t DL:
Vvn2 Ep
vsel,s,,,2 !土层,划分网格 gmO!
vplot JPc+rfF
aslv,s R'bTN|Cq
lsla,s ;4^Rx
lplot \378rQU
lesize,10,,,6 +`7i'ff
lesize,11,,,6 :uq\+(9
lesize,12,,,6 o WrKM
lesize,13,,,6 `iAF3:
lesize,14,,,6 5T_n %vz
lesize,15,,,6 nwB_8mN|
lesize,16,,,6 Pw7]r<Q
lesize,17,,,6 nQX:T;WL@
lesize,18,0.05 q77;ZPfs8
lesize,19,0.05 "3)C'WlEy/
lesize,20,0.05 x=hiQ>BIO0
lesize,21,0.05 U0
Yll4E
type,1 b8`)y<