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Add native boundary polygon area sidecars

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Publish one native polygon area per raw boundary VTP CellData tuple for all 500 AhmedML runs, together with concise reproducibility metadata.

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  1. README.md +7 -0
  2. run_1/boundary_cell_area_1.npy +3 -0
  3. run_10/boundary_cell_area_10.npy +3 -0
  4. run_100/boundary_cell_area_100.npy +3 -0
  5. run_101/boundary_cell_area_101.npy +3 -0
  6. run_102/boundary_cell_area_102.npy +3 -0
  7. run_103/boundary_cell_area_103.npy +3 -0
  8. run_104/boundary_cell_area_104.npy +3 -0
  9. run_105/boundary_cell_area_105.npy +3 -0
  10. run_106/boundary_cell_area_106.npy +3 -0
  11. run_107/boundary_cell_area_107.npy +3 -0
  12. run_108/boundary_cell_area_108.npy +3 -0
  13. run_109/boundary_cell_area_109.npy +3 -0
  14. run_11/boundary_cell_area_11.npy +3 -0
  15. run_110/boundary_cell_area_110.npy +3 -0
  16. run_111/boundary_cell_area_111.npy +3 -0
  17. run_112/boundary_cell_area_112.npy +3 -0
  18. run_113/boundary_cell_area_113.npy +3 -0
  19. run_114/boundary_cell_area_114.npy +3 -0
  20. run_115/boundary_cell_area_115.npy +3 -0
  21. run_116/boundary_cell_area_116.npy +3 -0
  22. run_117/boundary_cell_area_117.npy +3 -0
  23. run_118/boundary_cell_area_118.npy +3 -0
  24. run_119/boundary_cell_area_119.npy +3 -0
  25. run_12/boundary_cell_area_12.npy +3 -0
  26. run_120/boundary_cell_area_120.npy +3 -0
  27. run_121/boundary_cell_area_121.npy +3 -0
  28. run_122/boundary_cell_area_122.npy +3 -0
  29. run_123/boundary_cell_area_123.npy +3 -0
  30. run_124/boundary_cell_area_124.npy +3 -0
  31. run_125/boundary_cell_area_125.npy +3 -0
  32. run_126/boundary_cell_area_126.npy +3 -0
  33. run_127/boundary_cell_area_127.npy +3 -0
  34. run_128/boundary_cell_area_128.npy +3 -0
  35. run_129/boundary_cell_area_129.npy +3 -0
  36. run_13/boundary_cell_area_13.npy +3 -0
  37. run_130/boundary_cell_area_130.npy +3 -0
  38. run_131/boundary_cell_area_131.npy +3 -0
  39. run_132/boundary_cell_area_132.npy +3 -0
  40. run_133/boundary_cell_area_133.npy +3 -0
  41. run_134/boundary_cell_area_134.npy +3 -0
  42. run_135/boundary_cell_area_135.npy +3 -0
  43. run_136/boundary_cell_area_136.npy +3 -0
  44. run_137/boundary_cell_area_137.npy +3 -0
  45. run_138/boundary_cell_area_138.npy +3 -0
  46. run_139/boundary_cell_area_139.npy +3 -0
  47. run_14/boundary_cell_area_14.npy +3 -0
  48. run_140/boundary_cell_area_140.npy +3 -0
  49. run_141/boundary_cell_area_141.npy +3 -0
  50. run_142/boundary_cell_area_142.npy +3 -0
README.md CHANGED
@@ -39,6 +39,7 @@ Each folder (e.g run_1,run_2...run_"i" etc) corresponds to a different geometry
39
  * ahmed_i.stl : geometry stl (~5mb):
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  * geo_parameters_1.csv (missing run 500): parameters that define the geometry
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  * boundary_i.vtp : Boundary VTP (~500mb)
 
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  * volume_i.vtu : Volume field VTU (~5GB)
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  * force_mom_i.csv : forces (Cd,Cl) time-averaged with constant reference area
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  * force_mom_varref_i.csv : forces (Cd,Cl) time-averaged with varying reference area
@@ -90,6 +91,10 @@ Complete definitions, construction methods, missing-data treatment,
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  diagnostic figures, and reproducibility instructions are provided in
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  [`splits/README.md`](splits/README.md).
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  Downloads
94
  --------------
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@@ -150,6 +155,8 @@ This dataset is provided under the CC BY SA 4.0 license, please see LICENSE.txt
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  version history:
152
  ---------------
 
 
153
  * 17/08/2026 - Added deterministic benchmark train/validation/test splits, including nested data-efficiency and out-of-distribution evaluation protocols.
154
  * 15/02/2025 - files uploaded to HuggingFace
155
  * 12/11/2024 - added validation folder that contains the full output from all four mesh levels that were used to validate the methodology used.
 
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  * ahmed_i.stl : geometry stl (~5mb):
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  * geo_parameters_1.csv (missing run 500): parameters that define the geometry
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  * boundary_i.vtp : Boundary VTP (~500mb)
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+ * `boundary_cell_area_i.npy`: Native polygon areas (`m^2`) for `boundary_i.vtp`, in exact `CellData` tuple order.
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  * volume_i.vtu : Volume field VTU (~5GB)
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  * force_mom_i.csv : forces (Cd,Cl) time-averaged with constant reference area
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  * force_mom_varref_i.csv : forces (Cd,Cl) time-averaged with varying reference area
 
91
  diagnostic figures, and reproducibility instructions are provided in
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  [`splits/README.md`](splits/README.md).
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+ ## Native boundary polygon areas
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+
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+ Each `run_N/boundary_cell_area_N.npy` is a one-dimensional little-endian float32 array containing one area in `m^2` per native polygon—and therefore per `CellData` tuple—of `run_N/boundary_N.vtp`, in its original cell order. The array is valid only for that exact raw VTP. The definition, generator, hashes, and complete 500-run manifest are in [`surface_cell_areas/`](surface_cell_areas/).
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+
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  Downloads
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  --------------
100
 
 
155
 
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  version history:
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  ---------------
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+
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+ * 17/08/2026 - Added native boundary polygon-area arrays for all 500 runs, with reproducibility metadata.
160
  * 17/08/2026 - Added deterministic benchmark train/validation/test splits, including nested data-efficiency and out-of-distribution evaluation protocols.
161
  * 15/02/2025 - files uploaded to HuggingFace
162
  * 12/11/2024 - added validation folder that contains the full output from all four mesh levels that were used to validate the methodology used.
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