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Now that we have grouped each of the edges into the desired groups, we can assign appropriate boundary types to these groups.
Operation Toolpad > Zones Command Button > Specify Boundary Types
Under Entity, select Groups.
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Similarly, create boundary entities corresponding to farfield1, farfield2 and farfield3 groups. Set the Type to Pressure Farfield in each case.
Save Your Work
Main Menu > File > Save
Export Mesh
Main Menu > File > Export > Mesh...
Save the file as airfoil.msh.
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