Question

ansys中桩和土的接触问题

我在做一个桩在土体的接触分析，由于刚学，不知道怎么做
有没有高手给个例题或者教程
最好是GUI的 谢谢了

Answer 1

这GUI的话文字太多了，给你一个命令例题！：

/prep7
et,1,plane42
et,2,solid45

mp,ex,1,2.5e10 !桩的弹性模量
mp,nuxy,1,0.2 !桩的泊松比
mp,dens,1,2500 !桩的密度
mp,ex,2,2.5e8 !土的弹性模量
mp,nuxy,2,0.4 !土的泊松比
mp,dens,2,2000 !土的密度
tb,dp,2
tbdata,1,19,32,30 !粘聚力c为19,摩擦角为32度,膨胀角为30

RECTNG,0,1,0,8, !面1
RECTNG,1,5,0,6, !面2
RECTNG,0,5,0,-16, !面3

/pnum,area,1
/pnum,line,1
asel,s,,,2,3,1
aglue,all
numcmp,all
allsel
aplot

lsel,s,,,1,3,2 !划分面1
lesize,all,,,2
lsel,s,,,2,4,2
lesize,all,,,16
amesh,1

lsel,s,,,6,8,2 !划分面2
lesize,all,0.5
lsel,s,,,5
lesize,all,0.5
lsel,s,,,7
lesize,all,0.5
amesh,2

lsel,s,,,11 !划分面3
lesize,all,0.5
lsel,s,,,12
lesize,all,0.5
lsel,s,,,10
lesize,all,0.5
lsel,s,,,9
lesize,all,0.5
amesh,3

EXTOPT,ESIZE,2,0, !拉伸成体1
EXTOPT,ACLEAR,1
type,2
mat,1
VEXT,1,,,,,-1

EXTOPT,ESIZE,2,0, !拉伸成体2，3
EXTOPT,ACLEAR,1
mat,2
VEXT,2,3,1,,,-1

allsel
/view,1,1,1,1
eplot

k,1001,5,6,-5
k,1002,5,0,-5
k,1003,5,-16,-5
l,18,1001
l,1001,1002
l,1002,17
l,1002,1003
l,1003,21
al,22,36,37,38 !面4和面5
al,30,38,39,40

EXTOPT,ESIZE,10,0,
EXTOPT,ACLEAR,1
VEXT,19,20,1,-5 !拉伸成体4和5
vplot

vsel,s,,,4,5,1
vplot
lsel,s,,,36,52,1
lesize,all,0.5
type,2
mat,2
vmesh,all !划分体4和5
allsel

vsel,s,,,2,5,1 !合并体2，3，4，5上的重复单元及节点
VPLOT
ESLV,S
NSLV,S,1
EPLOT
nummrg,all
numcmp,all
numcmp,all
allsel
/pnum,area,1
/view,1,1,1,1
/ang,1
/pnum,mat,1,2
eplot

!接触单元设置
allsel
et,3,170
et,4,173
keyopt,4,9,0
keyopt,4,12,2
r,10
real,10

mp,mu,2,0.2

vsel,s,,,1
vplot
asel,s,,,4,6,1
aplot
cm,target,area

type,3
nsla,s,1
esurf,all

esel,s,type,,3
eplot
/psyms,esys,1
allsel

vsel,s,,,2,5,1
vplot
asel,s,,,13
asel,a,,,17
asel,a,,,22
aplot
cm,contact,area

type,4
nsla,s,1
esurf,all
esel,s,type,,4
eplot
/psyms,esys,1
allsel
gplot

finish
/solu
asel,s,loc,x,0
aplot
DA,all,symm
asel,s,loc,x,5
DA,all,all
aplot
asel,s,loc,z,0
da,all,symm
asel,s,loc,z,-5
da,all,all
asel,s,loc,y,-16
da,all,all
allsel

ACEL,0,9.8,0,
nsel,s,loc,y,8
esln,s
eplot
sfe,all,3,pres,,50

antype,static
nlgeom,on
time,1
nsub,100
outres,all,all
allsel
solv