圆球撞击平板模拟出错

bobi8

各位大侠，小弟刚学LS-DYNA，请帮忙看看我作的命令流有什么问题，我实在找不出来，大家帮忙看看，谢谢！！
这是一个圆球以一定初速度撞击平板的例子，我做的命令流如下：
  
/prep7   
/view,,1,2,3
/ang,1   
et,1,shell163   
mp,ex,1,330e9
mp,nuxy,1,.24
mp,dens,1,8400
TB,biso,1, , ,1  
TBDAT,1,289e6,   
TBDAT,2,500e6,   
   
   
R,1,0.00225
R,2,0.002      
     
k,1,-0.15,-0.15  
k,2,-0.15,0.15   
k,3,0.15,0.15   
k,4,0.15,-0.15  
a,1,2,3,4
   
wpoffs,0,0,0.07  
cswpla,11,2  
k,10,0,0,0
k,11,0.06,,90
k,12,0.06,,0  
larc,11,12,10,0.06   
k,13,0.06,,-90   
larc,12,13,10 ,0.06
ldiv,5,,,10
ldiv,6,,,10
  
lsel,all
lsel,u,,,1,4,1
  
arotat,all,,,,,,10,11,360,40
asel,all
asel,u,,,1
real,1
esize,1
amesh,all
  
real,2
asel,s,,,1
esize,0.01
amesh,all
nummrg,all  
numcmp,all
  
eplot
csys,0
allsel
  
/solu
nsel,s,,,794,824,30
nsel,a,,,763,764,1
d,all,ux,0,,,,uy,uz
allsel
  
esel,s,real,,1
cm,esphere,elem
nsle,s,all
cm,nsphere,node
allsel
esel,s,real,,2
cm,eplate,elem
nsle,s,all
cm,nplate,node
allsel
edvel,vgen,nsphere,0,0,-10
  
edcgen,ants,nsphere,nplate,0.1,,,,,
allsel
fini
  
/solu
time,0.002
edint,3
edrst,20
edhtime,100
solve

yuyuyu

有shell单元
没有定义shell厚度。（看message）
定义後可以计算

bobi8

R,1,0.00225  
R,2,0.002
这不是定义了shell厚度吗？

bobi8

明白了，定义错了，谢谢YUYUYU，