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Once the edges are selected, in the Details View Window select Geometry > Apply. Next, select Type > Number of Divisions. Change the Number of Divisions to 40 50. Select Behavior > Hard. We also want the mesh to have a bias, so select the first bias type in : Bais > ----- — - -, and give the edge sizing a Bias Factor of 70. The Edge sizing should now look like this:

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Notice that the element sizes get smaller towards the airfoil. This will give us a better resolution around the airfoil where the flow gets more complicated. Create a new edge sizing with the same parameters, but choose the remaining straight edges (see figure below), and we will choose . The number of divisions will still be 50, but now will be selecting a different biasing type by selecting the second Bias option: Bias > - - — -----.

Finally, create a third edge sizing, and select the rounded edges.

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