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Differentiating between Boundary and Interface Faces

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Old   May 31, 2012, 05:07
Default Differentiating between Boundary and Interface Faces
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Rory Monaghan
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I am working with a UDF over a domain containing interfaces between different mesh structures. I need to distinguish between (a) interior cell faces, (b) boundary faces (i.e. at the edge of the domain) and (c) cell faces at INTERFACE boundaries (i.e. within the domain).
I am using the BOUNDARY_FACE_THREAD_P macro to pick out boundary faces but this also picks out interface faces.
Is there a unique macro to identify interface faces or can anyone suggest a way to distinguish between them?
Thanks very much!
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