HSHTG
HSHTG is an open-source hybrid shading thermal grid simulation software for architects and engineers. It allows fast solar radiation simulations on complex building geometry to optimize energy efficiency.
opensource
hybrid-shading
thermal-grid-simulation
architects
engineers
solar-radiation-simulation
complex-building-geometry
energy-efficiency-optimization
HSHTG: Hybrid Shading Thermal Grid Simulation Software
An open-source hybrid shading thermal grid simulation software for architects and engineers, optimizing energy efficiency with fast solar radiation simulations on complex building geometry.
What is HSHTG?
HSHTG (Hybrid Shading Thermal Grid) is an open-source, Python-based simulation software designed for architects, engineers, and researchers to perform fast and accurate solar radiation simulations on complex building geometry. It implements a hybrid radiosity and ray tracing algorithm to model inter-reflections between buildings and shading elements to provide detailed irradiation data on building facades and within outdoor spaces.
Key features of HSHTG include:
- Fast simulation speeds by utilizing graphics processing unit (GPU) hardware acceleration
- Detailed modeling of complex fenestration systems and shading elements
- Extraction of illuminance, luminance, and irradiation metrics on building surfaces and sensor points
- Integration with climate data to capture seasonal and time-based effects
- Interoperability with common 3D modeling software via industry standard file formats
The hybrid radiosity and ray tracing approach in HSHTG balances accuracy and speed to enable iterative parametric analyses during early building design stages. This allows architects and engineers to optimize building orientation, massing, facade design, and shading elements to minimize heat gain and improve visual comfort. The detailed irradiation results can then be used to size HVAC systems, estimate energy savings from shading, and simulate indoor thermal and daylighting performance.
HSHTG is offered free and open-source to promote sustainable building design practices. It runs on Windows, Linux, and macOS platforms. The active development community welcomes user feedback and collaboration.
HSHTG Features
Features
- Performs solar radiation simulations
- Models complex building geometries
- Optimizes building energy efficiency
- Open-source codebase
Pricing
- Open Source
Pros
Fast performance
Accurate simulations
Free and open source
Allows optimization of designs
Cons
Requires technical expertise
Limited documentation
No official user support
Official Links
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