{
  "schema": "aero.heat_exchanger_program.summary.v1",
  "program": "Aero heat-exchanger benchmark program",
  "revision": "1.3",
  "report_date_utc": "2026-09-16",
  "overall_status": "SYNTHETIC_EVIDENCE_RELEASE_COMPLETE_PUBLICATION_VALIDATION_INCOMPLETE",
  "executed_synthetic_study": {
    "id": "HX-S01",
    "disposition": "NUMERICAL_FAIL_EXPERIMENT_NOT_EVALUATED",
    "solver": "OpenFOAM Foundation 10 chtMultiRegionFoam",
    "baseline_iteration_limit": 250,
    "grid_cells": {
      "coarse": 494670,
      "medium": 1003677,
      "fine": 2770939
    },
    "baseline_all_grids_residual_gate": "FAIL",
    "baseline_medium_to_fine_pressure_drop_change_percent": {
      "hot": 22.61,
      "cold": 22.17
    },
    "iteration_1000_diagnostics": {
      "all_residual_gates": "FAIL",
      "fine_to_medium_pressure_drop_change_percent": {
        "hot": 28.7,
        "cold": 28.1
      }
    },
    "post_baseline_stationarity_diagnostics": {
      "LTOL-001": {
        "scope": "coarse only, 100 iterations from 1000 to 1100, tighter linear solve",
        "residual_and_conservation": "PASS",
        "monitor_stability": "FAIL; cold pressure drop 0.671%, hot duty 1.489%, cold duty 1.426% over the final 25 steps; limit 0.5%"
      },
      "LTOL-002": {
        "scope": "coarse continuation from 1100 to 1600",
        "solver_end": "NORMAL_END",
        "monitor_stability": "NOT_EVALUABLE; purgeWrite 3 removed required 1500 and 1525 checkpoints"
      },
      "LTOL-003": {
        "scope": "coarse-only repeat from 1100 to 1600; all checkpoints retained",
        "solver_end": "NORMAL_END",
        "maximum_final_residual": 5.8496127e-9,
        "mass_imbalance_percent": 0.06674056489027075,
        "energy_imbalance_percent": 2.1810703710196607,
        "monitor_stability": "FAIL; cold pressure-drop changes 1.8117-4.4238%, hot duty 0.7898-0.8851%, cold duty 0.7898-0.8831%; limit 0.5%",
        "medium_fine_followup": "NOT_RUN_PER_STOP_RULE"
      }
    },
    "experimental_comparison": "NOT_EVALUATED",
    "pche_specific_structural_analysis": "NOT_EVALUATED",
    "design_readiness": "NOT_ESTABLISHED"
  },
  "synthetic_companion_suite": {
    "path": "synthetic_companion_suite_v1",
    "status": "COMPLETE_SYNTHETIC_COMPANIONS_VALIDATION_INCOMPLETE",
    "source_results_used": false,
    "studies": [
      {"id": "HX-S02-COUPLED-SURROGATE-01", "intent": "B02 coupled CFD-to-structural contract", "status": "COMPLETE_WITH_SYNTHETIC_COUPLING_CONTRACT"},
      {"id": "HX-S03-FIDELITY-01", "intent": "B03 fidelity selection", "status": "COMPLETE_SYNTHETIC_FIDELITY_DECISION"},
      {"id": "HX-S04-SENSITIVITY-01", "intent": "B04 structural/geometry sensitivity", "status": "COMPLETE_SYNTHETIC_SENSITIVITY_SWEEP", "cases": 81},
      {"id": "HX-S05-ARCH-01", "intent": "B05 architecture/material selection", "status": "COMPLETE_SYNTHETIC_ARCHITECTURE_MATERIAL_TRADE"},
      {"id": "HX-D01-TRANSFER-01", "intent": "D01 novel design transfer", "status": "COMPLETE_SYNTHETIC_DESIGN_TRANSFER_WITH_FIDELITY_ESCALATION"}
    ],
    "limitations": ["synthetic inputs and reduced-order equations", "no publication results or author rankings used", "no PCHE-specific OpenFOAM/CalculiX validation"]
  },
  "candidate_studies": [
    {"id": "HX-B01", "disposition": "SCOPED_ANALYTICAL_COMPARISON_COMPLETE_POINTWISE_EXPERIMENT_NOT_ESTABLISHED", "solver_runs": 0, "score": "CORRELATION_COMPARISON_FAIL_NOT_VALIDATION", "frozen_plan_hashes_reverified": 2, "preserved_prior_stops": true, "scoped_run": {"run_id": "HX-B01-SC-ANALYTICAL-01", "source": "Seo et al. 2015 straight microchannel PCHE", "status": "COMPLETED_CORRELATION_COMPARISON_FAIL", "run_path": "HX-B01/runs/seo_channel_analytical_01", "matched_reynolds": 300, "analytical_fanning_factor": 0.05333333333333334, "revealed_correlation_fanning_factor": 0.07713468569618204, "relative_error_percent": -30.856873464938232, "hydraulic_diameter_reconciliation_percent": 0.1962606348815289, "pointwise_experiment": "NOT_ESTABLISHED", "cfd": "NOT_RUN_BY_SCOPE", "fea": "NOT_RUN_BY_SCOPE", "blindness": "IMPLEMENTING_AGENT_SOURCE_EXPOSURE_DISCLOSED"}},
    {"id": "HX-B02", "disposition": "SOURCE_AND_STRUCTURAL_TRUTH_GATE_OPEN", "solver_runs": 0, "score": "NOT_SCORED"},
    {"id": "HX-B03", "disposition": "ACCESS_AND_VERSION_GATE_OPEN", "solver_runs": 0, "score": "NOT_SCORED"},
    {"id": "HX-B04", "disposition": "FULL_TEXT_AND_REPRODUCIBILITY_GATE_OPEN", "solver_runs": 0, "score": "NOT_SCORED"},
    {"id": "HX-B05", "disposition": "STOP_BEFORE_PREREGISTRATION", "solver_runs": 0, "score": "NOT_SCORED", "frozen_plan_hash_reverified": true, "blindness": "RUNTIME_REFERENCE_WITHHELD_FROM_LUNA; IMPLEMENTING_AGENT_EXPOSURE_DISCLOSED"},
    {"id": "HX-D01", "disposition": "NOT_STARTED_ORDER_GATE_OPEN", "solver_runs": 0, "score": "NOT_SCORED"}
  ],
  "preservation": {
    "earlier_hx_b01_blind_plans_preserved": true,
    "prior_samarmad_publication_run_reclassified": false,
    "synthetic_run_claimed_as_experimental_validation": false,
    "external_timestamp_established": false,
    "b01_scoped_analytical_release_added": true,
    "b01_scoped_run_hash_manifest": "HX-B01/runs/seo_channel_analytical_01/SHA256SUMS.txt",
    "public_report_published": true,
    "synthetic_companion_suite_added": true
  },
  "scope_limit": "Executable synthetic evidence release complete for the preserved HX-S01 diagnostics, HX-B01 scoped analytical comparison and five companion intents; full pointwise experimental validation, source-specific CFD/FEA truth benchmarks, and the original publication-order sequence remain incomplete."
}