桩土接触的命令流，运行后不收敛，请指点
这是一段桩土接触的命令流，运行后不收敛，不知怎样改，请高手指点以下，非常感谢桩承受竖向荷载,桩土间建立了接触面/PREP7
ET,1,PLANE42
ET,2,SOLID45
MP,EX,1,2.5e10
MP,NUXY,1,0.2
MP,DENS,1,2500
MP,EX,2,2.5E8
MP,NUXY,2,0.4
MP,DENS,2,2000
TB,DP,2,,,
TBDATA,1,19,32,30
RECTNG,0,1,0,8,
RECTNG,1,5,0,6,
RECTNG,0,5,0,-16,
/PNUM,AREA,1
/PNUM,LINE,1
ASEL,S,,,2,3,1
AGLUE,ALL
NUMCMP,ALL
ALLSEL
APLOT
LSEL,S,,,1,3,2
LESIZE,ALL,,,2
LSEL,S,,,2,4,2
LESIZE,ALL,,,16
AMESH,1
LSEL,S,,,6,8,2
LESIZE,ALL,0.5
LSEL,S,,,5
LESIZE,ALL,0.5
LSEL,S,,,7
LESIZE,ALL,0.5
AMESH,2
LSEL,S,,,11
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
EXTOPT,ESIZE,2,0,
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
VEXT,19,20,1,-5
VPLOT
VSEL,S,,,4,5,1
VPLOT
LSEL,S,,,36,52,1
LESIZE,ALL,0.5
TYPE,2
MAT,2
VMESH,ALL
ALLSEL
VSEL,S,,,2,5,1
VPLOT
ESLV,S
NSLV,S,1
EPLOT
NUMMRG,ALL
NUMCMP,ALL
ALLSEL
/PNUM,AREA,1
/VIEW,1,1,1,1
/ANG,1
/PNUM,MAT,1,2
EPLOT
allsel
ET,3,TARGE170
ET,4,CONTA173
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
/psymb,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
/psymb,esys,1
allsel
gplot
SAVE
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,,500
antype,static
nlgeom,on
time,1
nsub,100
outres,all,all
allsel
solv
finish
总是出现不收敛问题，请高手指点
[ 本帖最后由 16443 于 2008-9-9 08:54 编辑 ] 今天得到启发，可能是D-P材料参数设置出问题，正在调整中，
收敛了
把TB,DP,2,,,
TBDATA,1,19,32,30
改为
TB,DP,2,,,
TBDATA,1,19000,32,30
即可收敛
原因 出在单位 要统一
见 Ansys 帮助文件
内聚力与弹性模量的单位 要一致
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