News

Announcement Nov. 11, 2013

November 11, 2013
Pathfinder 2013 New Release Thunderhead Engineering is pleased to announce the release of Pathfinder 2013, our agent-based movement simulator for evacuation and crowd modeling. This major release adds wayfinding improvements, detailed occupant results, new 3D occupant models, and more. More than 25 new 3D occupant models One-way doors and door selection based on flow rate Optional door flow rate ... Read More...

PyroSim 2013.1.0911 (Alpha)

September 11, 2013
This is an alpha release for PyroSim 2013. It includes changes to the way extra species are handled and several fixes for legacy data loading. Read More...

PyroSim 2013.1.0827 (Alpha)

August 27, 2013
This is the second alpha release for PyroSim 2013. It includes fixes for bugs that prevented PyroSim from opening legacy PSM files and prevented import of some FDS input files. Read More...

PyroSim 2013.1.0807 (Alpha)

August 7, 2013
This is an alpha release for PyroSim 2013. It offers an incomplete preview of FDS 6 features that will be available in subsequent releases. New features include HVAC modeling support, an improved soot deposition model, and changes to FDS which improve the accuracy of gas flow modeling for a broad range of conditions. Read More...

Model a Long Tunnel

June 14, 2013
This video covers topics such as importing 3D dxf files, mesh strategies, and gravity vector ramps for a long tunnel in PyroSim. Read More...

PyroSim 2012.1.1221

December 21, 2012

This is a maintenance release of PyroSim 2012. This version adds support for AutoCAD 2013 and Revit 2013 DWG files and also includes bug fixes. Read More...

PyroSim 2012.1.1101

November 1, 2012

This is a maintenance release of PyroSim 2012. This version includes a bug fix that makes PyroSim more reliable when working with FDS+EVAC. Read More...

PyroSim 2012.1.1011

October 11, 2012

This is a maintenance release of PyroSim 2012. This version includes bug fixes that make PyroSim more reliable. Read More...

PyroSim: ATF engineering analysis of a fire scenario resulting in a firefighter fatality.

July 20, 2012

The video below presents the ATF Fire Research Laboratory's Engineering Analysis of the fire that occurred at 30 Dowling Circle on January 19th, 2011. ATF Fire Protection Engineers were asked to utilize engineering analysis methods, including computer fire modeling, to assist with determining the route of fire spread and the events that led to the firefighter MAYDAY and subsequent Line of Duty Death of Firefighter Mark Falkenhan.

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PyroSim 2012.1.0605

June 5, 2012
This is a maintenance release of PyroSim 2012. This version includes several bug fixes that make PyroSim more reliable. Read More...