Simulation Software for Science and Engineering

Coming soon in Pathfinder 2019.3 we will see a new Behavior step that allows occupants to dynamically change their Profile. A similar feature was added previously where occupants could change their behavior. The profile contains the occupant’s characteristics such as speed, door choice, and various settings related to interacting with other occupants in the model.  You ... Read More...

The NFPA 502 Standard for Road Tunnels, Bridges, and Other Limited Access Highways has been updated for 2020 and includes a new Annex D Critical Velocity Calculation. We have updated the Tunnel Critical Velocity Calculator that can be downloaded to make this calculation. A comparison of the 2020 calculation with the 2017 version is shown below ... Read More...

With the most recent release of PyroSim and Pathfinder, the Results tool has a new ability to save the settings and state of the Results Viewer, this newly saved data is known as a Results 'Visualization'. A 'Visualization' is a collection of settings that define which Pathfinder and FDS results are to be loaded and how those results are to be displayed. It also contains information entered by the user, such as views, tours, colorbar settings, time settings, annotations, object visibility, etc. Read More...

Two methods to build a 3D curved ramp model in SketchUp, and then export the geometry for use in PyroSim. Read More...

This release adds visual and usability improvements, bug fixes, and a system to save and restore results settings.  Read More...