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Now, the properties of the fluid that is being modeled will be specified. The properties of the fluid were specified in the Problem Specification section. In order to create a new fluid (Click) Materials > Fluid > Create/Edit... as shown in the image below.
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https://confluence.cornell.edu/download/attachments/118771050/CreateFluid_Full.png |
In the Create/Edit Materials menu set the Density to 1kg/m^3 (constant) and set the Viscosity to 1e-2 kg/(ms) (constant) as shown in the image below.
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https://confluence.cornell.edu/download/attachments/118771050/SetMatProps_Full.png |
Click Change/Create. Close the window.
Problem Setup > Materials
Double click air or select it and click Create/Edit. Make sure air is selected under Fluid Materials. Set Density to 1.00 and Viscosity to 1e-4 so that we can get Re of 1e4.
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Click Change/Create.
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Define Boundary Conditions
At this point the boundary conditions for the four Named Selections will be specified. The boundary condition for the inlet will be specified first.
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Inlet Boundary Condition
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In order to start the process (Click) Boundary Conditions > inlet > Edit... as shown in the following image.
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https://confluence.cornell.edu/download/attachments/118475240/BCInletEdit_Full.png |
Note that the Boundary Condition Type should have been automatically set to velocity-inlet. Now, the velocity at the inlet will be specified. In the Velocity Inlet menu set the Velocity Specification Method to Components, and set the Axial-Velocity (m/s) to 1 m/s, as shown below.
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https://confluence.cornell.edu/download/attachments/118475240/VelMenu_Full.png |
Then, click OK to close the Velocity Inlet menu.
Problem Setup > Boundary Conditions
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