building-simulation

Dynamic simulation of buildings with differentiable data-driven models and integration with semantic models.

Free, open-source GPU airflow simulation for architects. See how wind moves through your building and how much fresh air each room gets.

Building physics python library

A Julia module for aggregating building stock data into desired synthetic average archetype building lumped-capacitance thermal models.

Enhanced imageless annual daylight-glare calculation for complex fenestration systems

An open-source, physics-based HVAC engine for automated network balancing and energy auditing. Features a high-performance non-linear nodal solver, FastAPI backend, and is ready-to-test via a live production endpoint.

CONTAM Chinese community for building airflow and indoor air quality simulation. CONTAM建筑环境模拟中文社区。

Map-first explorer for city-scale future weather files - 1,013 Madrid sites x 3 climate eras, EPW downloads with full methodology provenance (EURO-CORDEX + UWG).

Google Open-Source Project: Stochastic building simulator and real-world dataset for training and benchmarking reinforcement learning agents in energy-efficient smart control environments. Built with Gym, TensorFlow Agents, and 6+ years of real building data.

GPU (CUDA) port of OpenFOAM v2606 chtMultiRegionFoam: the whole PIMPLE time step on one GPU for transient buoyant conjugate heat transfer in buildings (moist air, RNG k-epsilon, solar shading, HVAC control). Reads and writes standard OpenFOAM cases.

Windows-first, offline-first CONTAM teaching and research workbench with safe AI-assisted simulation workflows

MCP server and Claude skill for AI agents on BIM/IFC: quantity take-off, clash detection, natural-ventilation screening

Jupyter Notebook Docker Container for development with JModelica

Python framework for lifecycle energy, comfort, economic, and emissions analysis of building retrofit scenarios.

A Gymnasium environment built on the co-simulation of EnergyPlus and Radiance via frads (framework for radiance simulation)

Open, predicted EnergyPlus weather file (EPW) for Galala City, Egypt, at 580 m, with validation and source code. 82% confidence.

Archicad Graphisoft is an advanced architectural design software for modeling, BIM, and 3D rendering, empowering architects and designers. 🏢📐

Human-centric lighting as an MCP server: spectral skies from EPW, CIE S 026 alpha-opic metrics, circadian compliance, and Radiance daylight simulation.

Python client, CLI and MCP server for EPW.tools: EnergyPlus weather files (EPW, DDY, STAT) for any location, past years, typical years and future climate

FreeCAD + CfdOF + OpenFOAM experiments: editable house design, window-layout comparison, 3D airflow, validation and animations