cfd大神帮帮忙啊/(ㄒoㄒ)/~~。。。自己设计的动车外形，正在画网格，打算分析一下，结果就是生成不了边界层网格，救命啊/(ㄒoㄒ)/~~..下面是报错：
整体缩小了一千倍，宽3mm，高4mm，边界层网格0.05mm
求助！！！大神们帮帮忙。。。
报错
No inflation source shells. Can't extrude prisms!
no valid inflation sources.
prism finished
Application is finished.
Error: prism didn't create prism.uns
生成的日志是这么写的：
ANSYS ICEM CFD Prism 16.0 compiled on 12/3/2014 at 3:01 p.m.
running on Windows (64 bit version)
(c) Copyright 1993 - 2014 Ansys Inc.
process PC-20160316IUCY 8884
reading surface model...
reading mesh file...
sizeof mesh_element 24
sizeof element 40
sizeof base_prism 144
sizeof of one prism 152 bytes
sizeof of one tet 176 bytes
max_prism_angle reset to 174.261 because the min_prism_quality is 0.01
WARNING: prism height 0.032 set on surface F_107 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_322 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_526 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_636 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_707 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_786 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_867 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_946 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_1020 overrides
global height 0.002 and part CAR height 0.032
WARNING: prism height 0.032 set on surface F_1143 overrides
global height 0.002 and part CAR height 0.032
……
……（省略掉了）
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……
……
……
……
……
done smoothing
marking shells
No inflation source shells. Can't extrude prisms!
no valid inflation sources.
prism finished
stevezheng 
