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Fluent defines ghost interiors and walls_HELP!!!

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Old   April 26, 2018, 08:29
Default Fluent defines ghost interiors and walls_HELP!!!
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Hi everyone,

I have quite complicated geometry consists of 17 bodies which are subject to both interface and walls.

This is an internal flow.

The reason for this is that I have to employ zero thickness topology. There are many blades and geometry divided with very this sheet metal parts.

I model this separations with employing zero thickness multibody.

Although I defined the walls and interfaces very in detail (total of 85), Fluent still defines wall-xxx(wall-125) or interface-xxx (interface-52)(total of 40ish) which are ghost in nature. Because when I did display mesh to this fluent defined boundaries it shows nothing.

What do you think?

I have also a continuity blow out to e+15. Do you think it is corrolated?

Ps. Of course I manage interfaces for touching surfaces and delete some interfaces and turned them in to wall for zero thickness topology.
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fluent, ghost, interface, wall, zero thickness

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