Proposed Changes

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Additional source terms in the SA turbulence model have been added for the axisymmetric formulation.

In the baseline model, the only term that has an impact is:

Rewriting it in cylindrical coordinates, an additional source term is obtained:

In the Negative variant of the model, this source varies slightly due to the presence of $f_n$:

The compressibility correction also requires a new source. Rewriting

in cylindrical coordinates yields the new source

For the other model variants, it looks like the modification of strain magnitude (done for SST) takes care of the differences, but I might be mistaken.

Related Work

Resolve any issues (bug fix or feature request), note any related PRs, or mention interactions with the work of others, if any.
#1565

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