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[WIP] add axisymmetric jet case #2335

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[WIP] add axisymmetric jet case #2335

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bigfooted
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Proposed Changes

V & V testcase for axisymmetric jet (SST and SA)
Reproducing the self-similar jet properties reported in Wygnanski & Fiedler (1969) and Hussein, Capp & George (1994).

Related Work

Related to #2197

PR Checklist

  • I am submitting my contribution to the develop branch.
  • My contribution generates no new compiler warnings (try with --warnlevel=3 when using meson).
  • My contribution is commented and consistent with SU2 style (https://su2code.github.io/docs_v7/Style-Guide/).
  • I used the pre-commit hook to prevent dirty commits and used pre-commit run --all to format old commits.
  • I have added a test case that demonstrates my contribution, if necessary.
  • I have updated appropriate documentation (Tutorials, Docs Page, config_template.cpp), if necessary.

pcarruscag
pcarruscag reviewed Aug 25, 2025
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What's missing on this one?

@bigfooted
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SST works fine, but for SA we need to introduce a new model for axisymmetric flow:
https://www.researchgate.net/publication/349801309_A_New_l2_Term_for_the_Spalart-Allmaras_Turbulence_Model_Active_in_Axisymmetric_Flows

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Ah yes, well maybe merge the SA version?

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@bigfooted @pcarruscag @Cristopher-Morales