Analyze fire control and smoke dissipation in various
structures for fire protection and safety or
Learn more →
Understand pedestrian egress and congestion hazards for fire protection and safety or urban planning.
Model nonisothermal multiphase flow and transport in fractured and porous media for environmental engineering.
Manuals and Reference Documents for all products
Getting Started, Applications and Feature Demos
Detailed changes each product release
Frequently Asked Questions (FAQs) and Answers
See upcoming events schedule.
Fire and Evacuation Modeling Technical Conference
Both Online and In-person training options.
Learn more about Thunderhead Engineering
Announcements for our products and services
Become a part of the Thunderhead team
International reseller and distributor network
See the following links for Pathfinder Documentation resources.
General usage information for Pathfinder
General usage information for the Pathfinder Results Viewer
Technical Reference information for Pathfinder
Verification and Validation for Pathfinder
General usage information for the Pathfinder Monte Carlo Utility
Reference Manual for the Pathfinder Scripting API
Quality Assurance Plan for Pathfinder (SQAP)