a n s y s 桩土相互
作用
例子
/prep7 et,1,pla ne42 et,2,solid45
mp,ex,1,2.5e10 mp, nu xy,1,0.2 mp,de ns,1,2500 mp,ex,2,2.5e8 mp, nu xy,2,0.4 mp,de ns,2,2000 tb,dp,2
tbdata,1,19,32,30
桩的弹性模量桩的泊松比
桩的密度
土的弹性模量土的泊松比
土的密度
粘聚力c为19摩擦角为32度，膨胀角为30
RECTNG,0,1,0,8,
RECTNG,1,5,0,6, 面1 面2 RECTNG,0,5,0,-16,面3
/pnu m,area,1
/pnu m,li ne,1 asel,s,,,2,3,1 aglue,all nu mcmp,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,
EXTOPT,ACLEAR,1
type,2 mat,1
VEXT,1,,,,,-1
! 拉伸成体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 al,30,38,39,40 面! 4 和面5
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 allsel
!划分体4和
5
vsel,s,,,2,5,1
VPLOT
!合并体2，3，4，5 上的重复单元及节点
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。