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Thunderhead Engineering recently hosted the seventh Fire and Evacuation Modeling Technical Conference, where over 35 presentations on the latest research, experiments, and case studies were ...

Pathfinder 2026.1 Docs | Thunderhead Engineering

Pathfinder 2026.1 adds powerful new results visualizations, alongside a flurry of User Experience and Stability Improvements.

Air Flow and Smoke Control Solutions - Thunderhead Eng

Enhance your smoke control design process with Ventus. Request a free trial and explore our intuitive graphical interface and CONTAM integration for accurate and efficient smoke control simulation.

Pathfinder | Crowd Movement Simulation and Egress Software

Test the impact of random initial conditions using our enhanced sensitivity analysis features. Thunderhead Engineering supports you every step of the way. Do crowd modeling with greater efficiency and proficiency with a wide range of documents to help. We believe Pathfinder will quickly win you over. Try a fully featured trial free for 30 days.

Documentation - Thunderhead Eng

Select a version below to see the Documentation. 2026.1

PyroSim, Pathfinder, and Ventus 2024.2 - Available Now | Thunderhead ...

We're proud to announce the arrival of 2024.2 versions of all Thunderhead products. This release enhances modeling capabilities in PyroSim, Pathfinder and Ventus.

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Thunderhead News | Thunderhead Engineering

Thunderhead Engineering recently hosted the seventh Fire and Evacuation Modeling Technical Conference, where over 35 presentations on the latest research, experiments, and case studies were ...

Ventus 2025.1 Docs | Thunderhead Engineering

Ventus 2025.1 adds further support for CONTAM features, alongside a flurry of User Experience Improvements.

PyroSim | Fire Dynamics Simulator (FDS) Graphical ... - Thunderhead Eng

Thunderhead Engineering supports you every step of the way. Whether you want in-depth training or self-taught materials, you can learn performance-based design modeling with greater efficiency and proficiency.