[Gmsh] Trouble meshing one volume

[Robin Cornelius]

Hi,

Hope someone can help with this.. I'm having trouble meshing the 
attached model. One of the volume regions is failing to volume mesh 
without any obvious errors on the console. Its volume 849 in the 
attached geo. Hopefully someone can point out what error i have made as 
I can't for the life of me find it.

Also one final question is there some way to easily create what i refer 
to as an "air box" that is if I define a model then an outer boundary I 
usually then have to create an air volume and set all the surfaces of 
the actual model as part of the hole of that air volume. Is it possible 
to create an outer airbox then just specify the inner volumes to exclude 
as a hole rather than having to set all the inner surfaces as holes 
which can get quite difficult and be very error prone.

Thanks in advance

-- 
Best regards

Robin Cornelius

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