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closure-challenge-v2-cfd-cases

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closure-challenge-v2-cfd-cases / data /README_2D_cases.md
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Extended 2D Dataset — NeurIPS Closure Challenge additions

Three new 2D cases added to the closure challenge from the NASA TMR Collaborative Testing Challenge 2022 (turb-prs2022):

Folder Case Required metrics
NASA_2DZP/ 2D Zero-Pressure-Gradient flat plate Cf(x); u⁺(log y⁺) at x=0.97 — vs theory
NASA_ASJ/ Axisymmetric Subsonic Jet (M_jet ≈ 0.5) u/Uj along axis; u/Uj and u'v'/Uj² at 5 stations — vs Bridges & Wernet PIV
NASA_2DN00/ NACA 0012 airfoil, α = 10/15/17/18° CL(α), CD vs CL, Cp(x/c), Cf(x/c upper) — vs Ladson + Gregory

Per-case layout 

NASA_<CASE>/
├── README.md                  Case description, refs, submission format
├── baseline_komegasst/        k-ω SST RANS baseline (.dat NASA Tecplot + .csv flat)
│   └── README.md
├── highfidelity/              Theory / experiment / CFD-cross-check references
│   └── README.md
└── plots/
    ├── plot_profiles.py       Adapt: set MODEL_DIR env var to overlay your model
    └── *.pdf                  Pre-rendered baseline-vs-experiment plots

Tools at this level

  • dat_to_csv.py — converts NASA Tecplot zone-format .dat files to flat CSV (single zone column to preserve zone identity). Re-run after editing data:
    python dat_to_csv.py NASA_2DZP/baseline_komegasst NASA_2DZP/highfidelity \
                      NASA_ASJ/baseline_komegasst NASA_ASJ/highfidelity \
                      NASA_2DN00/baseline_komegasst NASA_2DN00/highfidelity

Provenance

All .dat files copied from OLD_NASA_CHALLENGE_SUBMISSION/finalModel/ (a baseline RANS submission to the 2022 NASA TMR Collaborative Testing Challenge), folders baselineResults/ (k-ω SST baseline) and NASAResults/ (theory / experiment) — see plotFinal.py:10-14 for the original mapping. The corresponding OpenFOAM cases live under OLD_SETUPS/{00_2DZP, 02_ASJ, 04_2DN00}/00Baseline/.

TODO — full OpenFOAM 00Baseline_Data/ per case

The integral profiles + plots are complete. To match the structure of the existing 4 challenge cases (ML4Fluids_2D_Dataset/{CBFS, NASA_2DWMH, PH_Breuer, Parm_PH_29}/00Baseline_Data/), each new case still needs the converged k-ω SST OpenFOAM run packaged. Candidate sources:

Case OpenFOAM source Notes
2DZP OLD_SETUPS/00_2DZP/00Baseline/simpleFoam/ kOmegaSST, converged at t=10000
ASJ OLD_SETUPS/02_ASJ/BaselineRenzhi/Case/ or 00Baseline/CFDDomain/compressibleTransient/ both kOmegaSST; pick one
2DN00 OLD_SETUPS/04_2DN00/00Baseline/rhoSimpleFoam_Final/Case2/{10,15,17,18}_deg/ only initial state — needs to be run, OR use the per-AoA cases under OLD_NASA_CHALLENGE_SUBMISSION/finalModel/04_2DN00/ (latter were run with propagationClassifierkOmegaSST augmented model, not pure baseline)