ANSYS网格划分的问题

a1154110826

/prep7
HNT=1
ET,1,SOLID45
MP,EX,HNT,3.45E5$MP,PRXY,HNT,0.2
K,,0,0$K,,100,0$K,,100,100$K,,200,100$K,,200,200
K,,0,200
A,1,2,3,4,5,6
VEXT,ALL,,,,,10
ALLSEL,ALL
VATT,1,,1
ALLSEL,ALL
WPROTA,,270
WPOFF,,,100$VSBW,ALL
ALLSEL,ALL
ESIZE,1
MSHAPE,0,3D
MSHKEY,1
VMESH,ALL
最后系统显示v3不能划分VOLUME3 has invailed topology for mapped briking meshing求原因

file:///D:\常用工具\qq\qq记录\1154110826\Image\9DJU$G05EN8M29V$D4XRKIR.jpg