PyroSim was designed to complement the Fire Dynamics Simulator (FDS) developed by NIST in the US. With state-of-the-art fire research facilities and personnel, they understand the calculations of fire simulation better than anyone.
FDS is the engine powering fire simulations all over the world. PyroSim empowers more engineers to use this technology and elevates its capabilities.
Available versions: 2025.x, 2024.x , 2023.x ,…
Thunderhead PyroSim 2025.1 Tested Picture
PyroSim 2025.1 introduces Mesh Refinement Zones as an easier path to increase or decrease the cell resolution of your model. Although adjusting these zones has always been a feature of our 3D user interface, Mesh Refinement Zones make in model changes as easy as drawing an object in your model.
Learn more about PyroSim 2025.1 on the latest PyroSim 2025.1 Release Note. If you’d like to hop straight into how Monte Carlo variations work, look no further than the PyroSim User Manual
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