Advanced HVAC simulation toolkit for OpenFOAM, providing specialized solvers and utilities for humidity modeling, thermal comfort analysis, and indoor climate assessment according to international standards (ISO 7730, ASHRAE-55, UTCI).
- Humidity Transport Modeling: Full integration of humidity physics into OpenFOAM's thermophysical framework
- Thermal Comfort Analysis: Comprehensive comfort metrics (PMV, PPD, UTCI, ASHRAE-55)
- Solar Radiation Integration: Support for EPW weather data and OpenFOAM's native solar models
- Buoyancy-Driven Flows: Specialized solvers for natural and mixed convection with humidity effects
- Building Physics: Advanced boundary conditions for multi-layer walls with thermal mass
- Wind-Driven Rain: Lagrangian particle tracking for rain droplet impingement
- buoyantHumidityPimpleFoam: Transient solver for buoyant, turbulent flow with humidity transport
- buoyantHumiditySimpleFoam: Steady-state solver using SIMPLE algorithm
- buoyantBoussinesqPimpleDyMFoam: Dynamic mesh solver for Boussinesq approximation
- windDrivenRainFoam: Wind-driven rain simulation with multiple droplet phases
- comfortFoam: ISO 7730 thermal comfort (PMV, PPD, Draft Rating)
- UTCIFoam: Universal Thermal Climate Index calculator
- ASHRAE55Foam: ASHRAE Standard 55 compliance analysis
- AoAFoam: Age of Air calculation for ventilation assessment
- buildingElementBC: Advanced thermal boundary condition for building walls with multi-layer support
- humidityRhoThermo: Thermophysical model extension for humidity calculations
- solarCalculator: Solar position and radiation calculations
- buoyantHumidityPimpleFoam - Transient humidity solver
- buoyantHumiditySimpleFoam - Steady-state humidity solver
- humidityRhoThermo - Humidity thermophysical library
- windDrivenRainFoam - Wind-driven rain simulation
- comfortFoam - ISO 7730 comfort metrics
- UTCIFoam - UTCI calculation with weather data support
- ASHRAE55Foam - ASHRAE-55 adaptive comfort model
- buildingElementBC - Multi-layer wall boundary condition with radiation
The humidity transport is integrated into OpenFOAM's thermophysical framework through:
- Extended equation of state with humidity effects
- Humidity-dependent thermophysical properties
- Custom boundary conditions (e.g.,
fixedHumidity) - Fields: relative humidity, specific humidity, water vapor partial pressure
All comfort tools follow established standards:
- ISO 7730: Fanger's PMV/PPD model with local draft rating
- UTCI: 6th-order polynomial approximation with radiation effects
- ASHRAE-55: Adaptive comfort model for naturally ventilated spaces
- HVAC system design and optimization
- Indoor air quality assessment
- Natural ventilation design
- Building energy simulation with dynamic thermal mass
- Urban microclimate studies
- Thermal comfort evaluation
- Compliance checking with international standards
- Building facade performance analysis
- Rain penetration and moisture risk assessment
This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.