回复 2 # Rainyboy 的帖子
首先谢谢你哈~
我现在编一个简单的例子,要求一个方块在水中(圆柱形)的模态,耦合的有点问题。。
命令如下
finish
/clear
/prep7
et,1,solid45
et,2,fluid30
et,3,fluid30,,1
mp,ex,1,2e11
mp,nuxy,1,0.3
mp,dens,1,7800
mp,dens,2,1000
mp,sonc,2,1400
mp,mu,0,
blc4,-0.5,-0.5,1,1,2
esize,,4
lsel,s,length,,2
lesize,all,,,8
allsel,all
mshkey,1
type,1
mat,1
vmesh,all
wpoff,,,-1
PCIRC,1.5, ,-45,45,
voffst,7,4
FLST,5,6,4,ORDE,2
FITEM,5,13
FITEM,5,-18
LSEL,S,,,P51X
lesize,all,,,6
allsel,all
lsel,s,length,,4
lesize,all,,,16
allsel,all
type,3
mat,2
mshape,0,3D
mshkey,1
vmesh,2
wpcsys,-1
ESEL,S,MAT,,2
eplot
NSLE,R
csys,1
ngen,4,791,all,,,,90
allsel,all
csys,0
ESEL,S,MAT,,2
eplot
egen,4,791,all
ESEL,S,MAT,,2
eplot
NSLE,R
nummrg,node
allsel,all
csys,1
NSEL,S,LOC,X,1.5,1.5
csys,0
nsel,a,loc,z,-1
nsel,a,loc,z,3
d,all,pres,0
alls
ESEL,S,MAT,,1
asel,s,loc,z
asel,a,loc,z,2
asel,a,loc,x,0.5
asel,a,loc,x,-0.5
asel,a,loc,y,0.5
asel,a,loc,y,-0.5
nsla,s,1
esln,s,0
emodif,all,type,2
sf,all,fsi !
alls
fini
/solu
antype,2
modopt,unsym,10,-100,,
mxpand,10,1,1000
solv
solv完出的提示
*** ERROR *** CP = 106.984 TIME= 15:14:39
Element 1 references undefined SONC of material 1.
请问:MAT1是固体的,也没有声速啊,还是耦合的问题吧?还望高手指点指点。。。 |