News

Vertical Ladders in Pathfinder

April 1, 2020
We recently had a question about modeling vertical ladders in Pathfinder. This post will describe the details of how to accomplish this. This question came from Saqib Mehmood of Aalborg University in Denmark, who was modeling wind turbine evacuation. Saqib Mehmood was joined on this project by a team including Anders S. Kristensen, Francisco Manuel ... Read More...

Spring Burning on the Flint Hills Prairie

March 30, 2020
Thunderhead Engineering is located in the Flint Hills of Kansas in the center of the United States. Eighty-five million years ago, a vast ocean covered Kansas and left deep layers of limestone that make the hills impossible to cultivate. Fires ignited by Native Americans and lightning maintained the grassland, destroying shrubs and trees and letting ... Read More...

FEMTC 2020 COVID-19 Update

March 27, 2020
As of the time of this writing (late March 2020), the 2020 Fire and Evacuation Modeling Technical Conference (FEMTC) is still planned for September 9-11, 2020 in Brno, Czech Republic.  With the event still five months away, it is difficult to anticipate what meeting and travel restrictions will exist in the fall.  However, as the ... Read More...

Thunderhead COVID-19 Update

March 20, 2020
The global outbreak is impacting everyone.  We wanted to provide a brief status update of operations at Thunderhead Engineering and how it will impact our customers One of our corporate values at Thunderhead is flexibility for our workforce.  As such, we have had remote employees for several years, and many of our staff frequently work from ... Read More...

PetraSim 2020.1.0108

February 25, 2020
This release of PetraSim includes bug fixes and general improvements. Read More...

1Point2 Studies Bathrooms and Gender Bias in France

December 5, 2019
1Point2 is the official partner of Thunderhead Engineering in France and has been since 2014. For over 30 years they have specialized in dynamic flow simulation for industry, transport, and construction. As an early pioneer in simulation, 1Point2 provides consultation services through the acquisition, training, implementation, and post-analysis of simulation software tools. Not only do ... Read More...

Price Increase in 2020 for PyroSim and Pathfinder

December 4, 2019
Prices for all license types of PyroSim and Pathfinder are scheduled to increase on January 1, 2020. All quotes issued before this date will retain 2019 pricing throughout their normal 30 day validity period, even if that extends into early 2020. If you are considering a new purchase, or if your annual subscription is expiring ... Read More...

Change Profile Dynamically with New Behavior Step

November 19, 2019
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...

Save Settings for Results Visualizations

October 30, 2019
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...

PyroSim Keyboard Shortcuts

September 30, 2019
A long-awaited feature has finally arrived, you can now assign Keyboard Shortcuts to various actions in PyroSim. Read More...