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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.