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To account for the rotation of the mesh, we couldn't simply have created one single mesh. Instead, we had to create sub regions, or Zones of meshing.

FIVE ZONES, FIGUREImage Added

The mesh created is "non-conformal", i.e. the nodes does not match across the interface), so we need to tell Fluent that the adjacent cell across that interface share information.

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Highlight "Model" and double click the third item in the list, "Viscous - Laminar". Select "k-epsilon (2 eqn)". Change "k-epsilon Model" to Realizable. Retain the rest as default. Click Ok.

Materials

We will use the default properties for air. Go ahead and check if they are correct.

Highlight "Materials" and double click "air" under "Fluid". 

Density: 1.225 kg/m3

Viscosity: 1.7894e-05 kg/m-s

Image Added

Cell Zone Conditions

Here we specify to fluent the material of each meshed zone (usually correct by default, unless we create a new material).

Also, we set if we're solving a moving mesh problem or moving frame of reference problem (our case!). We can also set here the centroid of each zone and the angular velocity of that zone.

Highlight "Cell Zone Conditions". Note that our problem is made out of 5 zones:

blade_bot: corresponds to the mesh around the bottom blade

blade_right: similar as above, for the right blade

blade_top: again, for the top blade

fluid-surface_body: corresponds to the big circular mesh around the main geometry of the turbine.

inner: corresponds to the zone between the blades, inside the hub.

We will have to edit parameters for each of them

MAYBE it's to big? Video...? 

ADD MATCH CONTROL TO MESH? (see wind blade tutorial) 
Import mesh as a wbpz file instead o msh? 

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To explain a little bit about the MFR method, see Numerical Results part, where I wrote something very short. 

 materials leave default. check density of xxx and visc of...

Cell zone conditions:

name zones, centroid, angular velocity. do for top blade

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