ANSYS FLUENT CFD: Supersonic Flow, Oblique Shocks, and Expansion Waves Tutorial
Dear Engineers,
In most supersonic flows, shock waves occur as the fluid goes past the object. There are two types of phenomena, an oblique shock (when the flow hits a convex corner) and an expansion wave (when the flow goes through a concave corner). This has a resulting effect on the velocity, pressure, and temperature of the fluid and can lead to increased drag if the aircraft is not designed (i.e. streamlined) properly.
Here is a detailed tutorial explaining how to perform a compressible flow CFD (computational fluid dynamic) simulation on a rocket fin, generating oblique shocks and expansion waves. To facilitate this, you will need to use the 'Face Split' feature in the Geometry section to break up your domain into a number of sections.
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VDEngineering
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