Fix solver initialization and multigrid logic bugs by shbhmexe · Pull Request #2662 · su2code/SU2

@shbhmexe

- CTransLMSolver: Add EdgeFluxesDiff init, VelocityMag protection
- CTurbSSTSolver: Add wall_dist and FrictionVelocity protection
- CSpeciesSolver: Fix multigrid loop using wrong mesh level

Signed-off-by: shbhmexe <shubhushukla586@gmail.com>

pcarruscag

Shubham shukla and others added 7 commits

December 27, 2025 23:54
Co-authored-by: Pedro Gomes <38071223+pcarruscag@users.noreply.github.com>
Co-authored-by: Pedro Gomes <38071223+pcarruscag@users.noreply.github.com>
Co-authored-by: Pedro Gomes <38071223+pcarruscag@users.noreply.github.com>