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This page is under construction. Check back for updates. For now, please download the file below to continue working on this simulation
Skip Creating the Geometry and Meshing
If you wish to skip creating the geometry and mesh, then you can download the meshed geometry here shortly. Download the compressed folder, then extract the files to your working directory. If you download the geometry you may skip steps 2 and 3 of this tutorial.
Geometry
Download the Airfoil Coordinates
In this step, we will import the coordinates of the airfoil and create the geometry we will use for the simulation. Begin by downloading this file here and saving it somewhere convenient. This file contains the points of a NACA 0012 airfoil.
Launch Design Modeler
Before we launch the design modeler, we need to specify the problem as a 2D problem. Right click 
and select Properties. In the Properties of Schematic A2: Geometry Window, select Analysis Type > 2D. Now, double click to launch the Design Modeler. When prompted, select Meters as the unit of measurement.
Airfoil
First, we will create the geometry of the airfoil. In the menu bar, go to Concept > 3D Curve. In the Details View window, click Geometry File and select the ellipsis 
to browse to a file. Browse to and select the geometry file you downloaded earlier. Once you have selected the desired geometry file, click 
to create the curve. Click 
to get a better look at the curve.
Next, we need to create a surface from the curve we just generated. Go to Concepts > Surfaces from Edges. Click anywhere on the curve you just created, and select Edges > Apply in the Details View Window. Click to create the surface.
Create C-Mesh
Now that the airfoil has been generated, we need to create the meshable surface we will use once we begin to specify boundary conditions. We will begin by creating a coordinate system at the tail of the airfoil - this will help us create the geometry for the C-mesh. Click 
to create a new coordinate system. In the Details View window, select Type > From Coordinates. For FD11, Point X, enter 1.
Click to generate the new coordinate system. In the Tree Outline Window, select the new coordinate system you created (defaulted to Plane 4), then click 
to create a new sketch. This will create a sketching plane on the XY plane with the tail of the airfoil as the origin. At the bottom of the Tree Outline Window, click the Sketching tab to bring up the sketching window.
The first action we will take is create the arc of the C-Mesh. Click 
. The first click selects the center of the arc, and the next two clicks determine the end points of the arc. We want the center of the arc to be at the tail of the airfoil. Click on the origin of the sketch, making sure the P symbol is showing
For the end points of the arc, first select a point on the vertical axis above the origin (a C symbol will show), then select a point on the vertical axis below the origin. You should end up with the following:
