Summary

This tutorial illustrated the setup and solution of a 2D, axisymmetric disk cavity problem in ANSYS FLUENT. The ability to calculate a swirl velocity permits the use of a 2D mesh, thereby making the calculation simpler and more economical to run than a 3D model. This can be important for problems where the enhanced wall treatment is used, and the near-wall flow field is resolved using a fine mesh (the first mesh point away from the wall being placed at a y+ on the order of 1).

For more information about mesh considerations for turbulence modeling, see this section in the separate User's Guide.