做接触问题时出现下面的警告,但好像对结果没有影响。由于对这个警告产生的原因不清楚,所以总放心不下。请教......
做了些粗糙的例子想找这个警告的原因,结果还是不得其解。下面是两个其中的例子。
例1、出现警告。
/clear
/prep7
!---------------------
ET,1,43
mp,ex,1,115e9
mp,prxy,1,0.3
et,5,45
mp,ex,5,115e9
mp,prxy,5,0.3
TB,BKIN,5
TBDATA,1,470E6,0
!-----------contact-----------------
ET,9,170
ET,10,173
R,9,,,0.1,0.1,,
!RMORE,,,1.0E20,0.0,1.0,
!RMORE,0.0,0,1.0,0,0,0.5
!RMORE,,,1.0,0.0
MP,MU,9,0.2
!----------------geometry
k,,5
k,,5,1
k,,0,1
k,,-1
k,,-1,3
k,,0,2
k,,5,3
k,,3,2
k,,4.5,2
k,,5,2
LARC,8,9,7,0.76,
k,,-1,1.5
k,,0,1.5
L, 1, 2
L, 1, 4
L, 4, 11
L, 11, 5
L, 5, 7
L, 7, 10
L, 10, 9
L, 8, 6
L, 6, 12
L, 12, 11
L, 12, 3
L, 3, 2
FLST,2,6,4
FITEM,2,3
FITEM,2,2
FITEM,2,13
FITEM,2,12
FITEM,2,4
FITEM,2,11
AL,P51X
FLST,2,8,4
FITEM,2,9
FITEM,2,1
FITEM,2,8
FITEM,2,7
FITEM,2,6
FITEM,2,5
FITEM,2,10
FITEM,2,11
AL,P51X
type,1
mat,1
esize,0.3
amesh,all
type,5
mat,5
esize,,8
vext,all,,,,,2
asel,s,loc,z,0
aclear,all
!---------contact------------
alls
type,10
mat,9
real,9
asel,s,,,17
nsla,s,1
esln,s,0
esurf,all
type,9
mat,9
real,9
asel,s,,,8
nsla,s,1
esln,s,0
esurf,all
!------boundary
asel,s,,,9
nsla,,1
d,all,ux
d,all,uy
d,all,uz
lsel,s,,,36
nsll,,1
cp,11,uy,all
cplgen,11,ux,uz
*get,nmin,node,,num,min
d,nmin,ux
d,nmin,uz
fini
/solu
antype,static
nlgeom,on
autots,on
alls
save
time,1
d,nmin,uy,-0.8
nsub,20
outres,all,all
solve
/eof
例2、没有警告
/clear
/prep7
!---------------------
ET,1,43
mp,ex,1,115e9
mp,prxy,1,0.3
et,5,45
mp,ex,5,115e9
mp,prxy,5,0.3
TB,BKIN,5
TBDATA,1,470E6,0
!-----------contact-----------------
ET,9,170
ET,10,173
R,9,,,0.1,0.1,,
!RMORE,,,1.0E20,0.0,1.0,
!RMORE,0.0,0,1.0,0,0,0.5
!RMORE,,,1.0,0.0
MP,MU,9,0.2
!----------------geometry
k,,5
k,,5,1
k,,0,1
k,,-1
k,,-1,3
k,,0,2
k,,5,3
k,,3,2
k,,4.5,2
k,,5,2
LARC,8,9,7,0.76,
k,,-1,1.5
k,,0,1.5
L, 1, 2
L, 1, 4
L, 4, 11
L, 11, 5
L, 5, 7
L, 7, 10
L, 10, 9
L, 8, 6
L, 6, 12
L, 12, 11
L, 12, 3
L, 3, 2
L, 8, 9
FLST,2,12,4
FITEM,2,3
FITEM,2,2
FITEM,2,13
FITEM,2,12
FITEM,2,4
FITEM,2,10
FITEM,2,9
FITEM,2,14
FITEM,2,7
FITEM,2,6
FITEM,2,5
FITEM,2,8
AL,P51X
FLST,2,2,4
FITEM,2,1
FITEM,2,14
AL,P51X
type,1
mat,1
esize,0.3
amesh,all
type,5
mat,5
esize,,8
vext,all,,,,,2
asel,s,loc,z,0
aclear,all
!---------contact------------
alls
type,10
mat,9
real,9
asel,s,,,17
nsla,s,1
esln,s,0
esurf,all
type,9
mat,9
real,9
asel,s,,,14
nsla,s,1
esln,s,0
esurf,all
!------boundary
asel,s,,,15
nsla,,1
d,all,ux
d,all,uy
d,all,uz
lsel,s,,,31
nsll,,1
cp,11,uy,all
cplgen,11,ux,uz
*get,nmin,node,,num,min
d,nmin,ux
d,nmin,uz
fini
/solu
antype,static
nlgeom,on
autots,on
alls
save
time,1
d,nmin,uy,-0.8
nsub,20
outres,all,all
solve
/eof
警告图 |