{
  "revision": "1.0",
  "run_date": "2026-09-13",
  "criteria_revision": "1.1",
  "gate_revision_note": "Initial v1.0 diagnostics retained separately. v1.1 permits a velocity-component normalized residual above tolerance only when that component's maximum absolute solved velocity is below 1e-10 of prescribed bulk velocity. Pressure residual remains mandatory. Built-in vector residual stopping is reported separately from these explicit acceptance checks.",
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        "reference": true,
        "declared_fluid": true
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      "terminal": true,
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        "Uz": 3.7257657861e-07,
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        "declared_fluid": true
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    {
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      "terminal": true,
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        "mesh": true,
        "residuals": true,
        "mass_conservation": true,
        "reference": false,
        "declared_fluid": false
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      "failed_checks": [
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      "velocity_bulk_ratios": {
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        "Uz": 5.0599954293e-13
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      "status": "NOT_ESTABLISHED",
      "reason": "No independent nozzle reference; near-wall suitability alone cannot validate the model.",
      "elapsed_seconds": 29.859869241714478
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    {
      "id": "nozzle-low-re",
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      "iterations": 1800.0,
      "terminal": true,
      "mesh_ok": true,
      "converged": false,
      "residuals": {
        "Ux": 2.8136238835e-12,
        "Uy": 1.51692477018e-11,
        "Uz": 0.002999782017,
        "p": 9.66584045549e-11,
        "omega": 7.92373803117e-11,
        "k": 9.69997058358e-11
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      "mass_imbalance_pct": 9.26853513615626e-05,
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      "velocity_bulk_ratios": {
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        "Uz": 5.12483951485e-13
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      "status": "NOT_ESTABLISHED",
      "reason": "No independent nozzle reference; near-wall suitability alone cannot validate the model.",
      "elapsed_seconds": 24.94338083267212
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      "id": "imported-manifold",
      "source": "IMPORTED_STEP",
      "fixture": "Synthetic manifold with intersecting ports and external fillets; defective variant includes a detached sliver.",
      "units": "mm",
      "source_sha256": "416df46e37b5858369e48d99681fa1633ce0bb46488c40cd70a961ee472cebf7",
      "checks": {
        "valid_topology": true,
        "one_connected_solid": true,
        "positive_volume": true
      },
      "solid_count": 1,
      "solid_volumes_mm3": [
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      "reason": "Topology passes; loads, fluid volume, boundary conditions and physics remain unassigned.",
      "solver_submitted": false,
      "automatic_repair": false
    },
    {
      "id": "imported-manifold-sliver",
      "source": "IMPORTED_STEP",
      "fixture": "Synthetic manifold with intersecting ports and external fillets; defective variant includes a detached sliver.",
      "units": "mm",
      "source_sha256": "1ec8586af97093ae05b20d72f0e03d7f6a1f1903c3c786b2d464224cb4dff6dc",
      "checks": {
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        "one_connected_solid": false,
        "positive_volume": true
      },
      "solid_count": 2,
      "solid_volumes_mm3": [
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      "intake_status": "REJECTED",
      "status": "REJECTED",
      "reason": "Multiple disconnected solids: quarantine for geometry review. No automatic repair, meshing or solver execution.",
      "solver_submitted": false,
      "automatic_repair": false
    }
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  "retained_calculix": [
    {
      "family": "tube",
      "level": "coarse",
      "deck_sha256": "5131debee5d57adda69446ee713f45f579a440b52a754255cabc63358c084bd3",
      "run_date": "2026-09-12"
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      "run_date": "2026-09-12"
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    {
      "family": "tube",
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      "run_date": "2026-09-12"
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    {
      "family": "port",
      "level": "fine",
      "deck_sha256": "740f6d46bcb44c96f9d4e23f21b9889489e9bbe92b09ee6c7fe9cdd35b12af71",
      "run_date": "2026-09-12"
    },
    {
      "family": "thermal-gradient",
      "level": "fine",
      "deck_sha256": "77b16964ec851316e54c696023e147dad43226d9bfddc8227cfe290883f2c464",
      "run_date": "2026-09-12"
    }
  ],
  "archive_file_count": 295,
  "reference_url": "https://openstax.org/books/university-physics-volume-1/pages/14-7-viscosity-and-turbulence",
  "runtime": {
    "openfoam": "Foundation 10",
    "openfoam_image_id": "sha256:2965f9e26d1a358e18b5543085adab73927d77e8d16d3995a0c4612e8f430837",
    "cad_fea_image_id": "sha256:b73d70afc297054bf644db852e8d8ed0bbd2423fecbcd5669194dd7460d9a763"
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}