Training Guide > Compressible Flow Tutorials > Transonic Flow over an Airfoil > Visualizing and Initializing the Solution
Visualizing and Initializing the Solution
We will view the Mach number profile during the run to monitor the supersonic flow region above the airfoil.
Start by creating a new scalar scene.
- Right-click on the Scenes node, and select .

The Scalar Scene 1 display will appear.
- Right-click on the scalar bar at the bottom of the display and select from the pop-up menu.

- Initialize the run by clicking the Initialize Solution button in the toolbar, then use the middle mouse button to zoom in on the airfoil in the center of the scalar scene.

To change the style of the Mach number contours:
- Select the Scalar Scene 1 > Displayers > Scalar 1 node.
- In the Properties window, change the Contour Style property to .
Save the simulation.
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