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In this step, we will open fluent and define the boundary conditions of the problem. If you haven't already, close the meshing window to return to the Project Outline window. Now, Double click Setup. The Fluent Launcher Window should open. Check the box marked Double Precision
Click OK to launch Fluent. The first thing we will do once Fluent launches is define the model we are going to use. We do this by going Problem Setup > Models > (Double click) Viscous-Laminar. This will open the Viscous Model Menu Window. Select Inviscid and press OK.
Now, we will specify characteristics of the fluid. Because we specified the fluid as inviscid, we will only have to define the density of the fluid. To make matters even simpler, we are only looking for non-dimensionalized values like pressure coefficient, so we will define the density of our fluid to be 1 kg/m^3. To define the density, click Materials > (double click) Air. This will launch the Create/Edit Materials window.
Under Properties, ensure that density is set to Constant and enter
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as the density. Click Change/Create to set the density.
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