The mesh generating code should identify and throw a warning or exception if the panels extend below the z_min or z_max walls. OR a special case could be included to identify those panels which are (now) only composed of 5 sides where the 6th is omitted. So a 2D domain might look like:
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_____________________
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inflow | _____ | outflow
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| | | |
|_______| |_______|
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The mesh generating code should identify and throw a warning or exception if the panels extend below the z_min or z_max walls. OR a special case could be included to identify those panels which are (now) only composed of 5 sides where the 6th is omitted. So a 2D domain might look like: