CHEMSI / VFEP Simulation

Current Project Phase: Phase 7 - ✅ IN PROGRESS (Sensitivity Analysis & UQ)

Quick Navigation

📋 Start Here

• New to project? → VFEP_SIMULATION_OVERVIEW.md
• Run quickly? → QUICKSTART.md
• Phase 7 status? → PHASE7_INTEGRITY_REPORT.md

🎯 Current Status

• Validation Rate: 100% (4/4 scenarios passing)
• Numeric Tests: 57/57 passing (including Phase 7 tests)
• Build Status: ✅ Clean, no warnings
• Phase 7 Modules: SensitivityAnalysis, UncertaintyQuantification

📊 Phase 7 Progress

• ✅ SensitivityAnalysis module (parameter sweeps)
• ✅ UncertaintyQuantification module (Monte Carlo + LHS)
• ✅ 6 numeric integrity tests (7A1-7A3, 7B1-7B3)
• ✅ SweepTool CLI utility
• ⏳ New scenarios (Ship Fire, Tunnel Fire, Industrial)
• ⏳ Three-zone model implementation
• ⏳ CFD coupling interface (mock)

📊 Validation Results

Scenario	Predicted	Target	Error	Status
ISO 9705	981K	1023K ±50K	4.11%	✅ PASS
NIST Data Center	71.4 kW	75 kW	4.85%	✅ PASS
Suppression	79.77%	60-80%	13.95%	✅ PASS
Stratification	272K ΔT	200-400K	9.26%	✅ PASS

Key Paths

• Core simulation: cpp_engine/src
• Public API: cpp_engine/include
• Visualization: cpp_engine/vis/main_vis.cpp
• Build scripts: launch_all.sh and cpp_engine/launch_all.bat
• Protos: proto

Phase History

• Phase 1-2: Foundation (combustion, thermodynamics)
• Phase 3-4: Integration (suppression, ventilation)
• Phase 5: Initial calibration (NIST baseline)
• Phase 6: Multi-scenario validation (✅ COMPLETE)
• Phase 7: Advanced validation & UQ (✅ WEEK 1 COMPLETE)

Historical logs and verification notes are archived to keep documentation concise.