提示错误信息是:
Command> export fluent5 "E:\temp\MF\mg.msh" nozval
A default (unspecified) boundary entity was created.
WARN: Boundary Entity interface.7 does not contain any valid entity and is not written.
WARN: Boundary Entity periodic.6_shadow does not contain any valid entity and is not written.
ERROR: Periodic Boundary Entity periodic.6 is not specified correctly. The two periodic
entities must be link meshed and specified on the same Boundary Entity.