PyroSim
Analyze fire control and smoke dissipation in various structures for fire protection and safety or investigation.
Learn more →
Pathfinder
Understand pedestrian egress and congestion hazards for fire protection and safety or urban planning.
PetraSim
Model nonisothermal multiphase flow and transport in fractured and porous media for environmental engineering.
Documentation
Manuals and Reference Documents for all products
Tutorials
Getting Started, Applications and Feature Demos
Release Notes
Detailed changes each product release
Support Portal
Knowledge Base, Discussions, and Support Tickets
Calendar
See upcoming events schedule.
FEMTC
Fire and Evacuation Modeling Technical Conference
Training
Both Online and In-person training options.
About
Learn more about Thunderhead Engineering
News
Announcements for our products and services
Jobs
Become a part of the Thunderhead team
Partners
International reseller and distributor network
Popular Articles
Sorry! nothing found for
Resources to help troubleshoot common issues running PyroSim.
Resources to help troubleshoot common issues running Pathfinder.
Licensing
Information regarding the different license types available, including floating, node locked and academic licenses.
A graphical user interface for the Fire Dynamics Simulator (FDS). Analyze fire control and smoke dissipation in various structures for fire protection and safety or investigation.
Pedestrian movement simulator. Understand pedestrian egress and congestion hazards for fire protection and safety or urban planning.
Ventus
Build 3D pressure zone models for stairwells, atrium spaces, and underground buildings using CONTAM in a modern UI.
Applying for an academic license
Modified on 06 April
What non-commercial license options are available?
Modified on 14 February
What are the system requirements for PyroSim?
Modified on 06 December
What are the system requirements for Pathfinder?
doors open
Created on 27 March by Zhaolong-Shi
Pyrosim parameters
Created on 22 July by Dean Morris
Pathfinder folder location problem
Created on 25 July by Andrea D'Angeli
Unrealistic door selection behaviour - Cost factor suggestions
Created on 04 August by Rumble Jack
