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How to define "empty" boundary type when using Gambit for modeling?

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Old   August 9, 2014, 11:42
Question How to define "empty" boundary type when using Gambit for modeling?
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rana sahebjam
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Hello all,

i'm going to model a 2D channel using the gambit. by which boundary type, i can specify the "empty"?
these are the available options in gambit;

-wall
-axis
-exhaust_fan
-fan
-inlet_vent
-intake_fan
-interface
-interior
-internal
-mass_flow_inlet
-outflow
-outlet_vent
-periodic
-porous_jump
-pressure_far_field
-pressure_inlet
-pressure_outlet
-radiator
-recirculation_inlet
-recirculation_outlet
-symmetry
-velocity_inlet

Thanks
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Old   August 10, 2014, 11:10
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rana sahebjam
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anyone who can help me?!

How should I define the third dimension as an "empty" boundary type in Gambit?
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Old   August 18, 2014, 04:43
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Jens Höpken
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Just import the gambit mesh into OpenFOAM and then open constant/polyMesh/boundary with a text editor and change the type of the patch of interest to empty.
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