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Laminar Jet Setup 

To make sure that the mesh imported correctly, go to Solution Setup-General and under Mesh, click "Display" and the dialogue box as shown below will open. Display the mesh by selecting and displaying the appropriate surfaces (fluid) in the General-Mesh-Display dialogue below.

Back to the solution setup optionsClosing the mesh display dialogue and going back to the Solution Setup-General, make sure that the axisymmetric solution is selected under 'General', viscous-laminar is selected under 'Models', and that the appropriate boundary conditions and materials for the laminar case were are selected based on the Problem Specification. 

Initialize the solution by going to 'Solution-Solution Initialization ' and using Inlet 1 with axial velocity 1m/s to initialize the domain. Check your initialization by going to  ResultsResults-Graphics and Animations, and displaying the stream function (constant values along streamlines, which are tangent to flow velocity)  for the fluid surface as shown in the dialogue box below.  Click the Display button.

Your initial velocity stream function should look like this:

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