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Ansys Learning Forum Forums Discuss Simulation Fluids porous media in cylinder (axisymmetric) Reply To: porous media in cylinder (axisymmetric)

Rob
Forum Moderator

The direction vectors are to help assign resistance values for "off axis" systems. So, in your as Direction-1 is along the x-axis you'll be adding the axial resistance to that direction and the radial resistance (y) as the other resistance value. 

Read the Cell Zones section of the Fluent User Guide (click on Help in Fluent) for more details.Â