{
 "tool": "hydraulic-jump",
 "toolVersion": "1.0.0",
 "methods": [
  "dissipator 1.0.0"
 ],
 "commit": "ab22876",
 "date": "2026-11-04",
 "summary": "4 of 4 cases (7 values) within tolerance against Hand calculation of the published equation, FHWA HEC-14.",
 "note": "Generated by _workspace/tools/hh_verification.mjs from the fixtures; commit = code verified.",
 "cases": [
  {
   "id": "BELANGER",
   "what": "Rectangle 7 ft, 400 cfs, 3 ft: Belanger",
   "reference": "Hand calculation of the published equation (published example)",
   "compared": 3,
   "maxDiff": "0.00 %",
   "pass": true
  },
  {
   "id": "HEC14-E6-CU",
   "what": "HEC-14 chapter 6 example: 7-ft span, 400 cfs, y1 3 ft; printed J and L/y1 are read from charts at Fr 1.9, so 5%",
   "reference": "FHWA HEC-14 section 6, example, customary units",
   "compared": 2,
   "maxDiff": "4.25 %",
   "pass": true
  },
  {
   "id": "JUMP-TRAP",
   "what": "Trapezoid b 10, z 2, 600 cfs, y1 1.5 ft: momentum by bisection",
   "reference": "Hand calculation of the published equation (published example)",
   "compared": 1,
   "maxDiff": "0.00 %",
   "pass": true
  },
  {
   "id": "JUMP-SUB",
   "what": "A subcritical depth before the jump (refusal)",
   "reference": "Hand calculation of the published equation (published example)",
   "compared": 1,
   "maxDiff": "both refuse",
   "pass": true
  }
 ]
}