Define a Supersonic Inlet

1. Choose Home tab→Loads and Conditions group→Supersonic Inlet .

2. In the Supersonic Inlet dialog box, select one ore more faces that define the supersonic inlet.

3. In the Mach Number box, type the speed of the fluid as it enters the fluid domain. Mach speed is equivalent to velocity / speed of sound.

4. Select either Ambient or Specify from the list temperature and pressure conditions outside the inlet.When you select Ambient, the flow solver uses the conditions defined on the Ambient Conditions page of the Solution dialog box.When you select Specify, you must define the temperature and pressure by typing values in the Temperature and Pressure boxes.

5. Define the Flow Direction for fluid entering the fluid domain at the supersonic inlet.

6. To define the method which is used for computing turbulence quantities at the inlet selectAutomatic to have the solver use default turbulence characteristics.The Turbulence Characteristics modeling object to define method for calculation of initial turbulence quantities. You can select a previously defined one from the list or click Create Modeling Object to create a new one.

7. Click OK.

8. In the Simulation Navigator, right-click the solution and choose Edit Solution.

9. On the 3D Flow page, select the High Speed Flow check box.

10. Click OK.

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