COCOANet
A high-fidelity CFD dataset of parametric (CCA) Aircraft geometries and flight condition for aerodynamic surrogate modelling and Aerodynamic Shape Optimization, created as part of ShapeBench.
Dataset Summary
| Geometries | 401 |
| CFD runs | 3,570 |
| Design parameters | 16 geometric |
| Flight parameters | 3 (angle of attack, velocity, altitude) |
| CAD Kernal | nTop |
| Solver | Flow360 |
| Sampling | Latin Hypercube Sampling (LHS), seed 42 |
Files
| File | Description |
|---|---|
dataset_samples.csv | 3,570 rows — 16 design params + flight conditions + corrected CL, CD, CFx, CFy, CFz, CMx, CMy, CMz |
sampling_metadata.json | LHS seed, library, and sample counts |
COCOANet_croissant.json | Croissant 1.0 metadata |
cca_drone_Transolver.pt | Pretrained Transolver surrogate model checkpoint |
norm_stats.pt | Normalisation statistics for the surrogate model |
case_*/ | Full CFD data per geometry: STL mesh (nTop), Flow360 solution fields, surface/volume data |
Design Parameters
Dihedral angle, Max Wing Blend, Inlet Angle 1 & 2, Wing Position, Rear Point X, Inlet Location, NACA 4-digit code, Fore/Aft Top Angle, Top/Bottom Height Aft, Wing span, Rear tail offset, Root Chord, Tail Root chord.
Outputs
Corrected force and moment coefficients: CL, CD, CFx, CFy, CFz, CMx, CMy, CMz.
Notes
Some cases excluded due to CFD divergence or HPC node restarts. Full raw CFD data (3.65 TB).