空心板斜桥如何划分网格？

采用自由网格划分效果不太好，想用六面体划分老提示错误！还有想问一下如何把桥面板加上去
/title,kongxinban
et,1,solid45
et,2,solid45
mp,dens,1,2400
mp,ex,1,3e10
mp,ex,2,3.3e10
mp,prxy,1,0.1667
mp,dens,2,0.1*g/(kxbarea+jfarea)
mp,prxy,2,0.1667
k,1,0.99,0,0.99*tan(30*3.14/180)
k,2,1,0,1*tan(30*3.14/180)
k,3,1,1.1,1*tan(30*3.14/180)
k,4,0.99,1.1,0.99*tan(30*3.14/180)
a,1,2,3,4
k,5,0,1.1,0
k,6,0,0,0,0
a,1,4,5,6
k,7,0.28,0.12,0.28*tan(30*3.14/180)
k,8,0.18,0.22,0.18*tan(30*3.14/180)
k,9,0.18,0.88,0.18*tan(30*3.14/180)
k,10,0.28,0.98,0.28*tan(30*3.14/180)
k,11,0.71,0.98,0.71*tan(30*3.14/180)
k,12,0.81,0.88,0.81*tan(30*3.14/180)
k,13,0.81,0.22,0.81*tan(30*3.14/180)
k,14,0.71,0.12,0.71*tan(30*3.14/180)
a,7,8,9,10,11,12,13,14
asel,s,,,3,3,0
cm,ar,area
allsel
asba,2,ar
allsel
vext,1,4,3,0,0,24.3
vsel,s,loc,x,0,0.99
vatt,2,2,2
vsel,s,loc,x,0.99,1
vatt,1,1,1
vsel,all
vglue,all
esize,0.3
mshkey,0
mshape,1,3d
vmesh,all
vsel,all
vgen,12,all,,,1,0,12*tan(30*3.14/180)/12,10000
allsel
nummrg,all
numcmp,all
/solu
antype,static
!添加约束
dl,7,,all
dl,58,,all
dl,98,,all
dl,138,,all
dl,178,,all
dl,218,,all
dl,258,,all
dl,298,,all
dl,338,,all
dl,378,,all
dl,418,,all
dl,458,,all  
dl,26,,ux
dl,68,,ux
dl,108,,ux
dl,148,,ux
dl,188,,ux
dl,228,,ux
dl,268,,ux
dl,308,,ux
dl,348,,ux
dl,388,,ux
dl,428,,ux
dl,468,,ux
dl,26,,uy
dl,68,,uy
dl,108,,uy
dl,148,,uy
dl,188,,uy
dl,228,,uy
dl,268,,uy
dl,308,,uy
dl,348,,uy
dl,388,,uy
dl,428,,uy
dl,468,,uy

你的建模方法存在一定的问题，建立带有倒角的空心板或者箱梁的时候一定要将倒角、腹板、顶板、地板等分开建立模型，不能直接的连成一个整体。
分网的时候先分线，再分体，就能得到规则的网格了。