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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. Geometry Figure 1 shows normal stairs. Each end of the stairs must connect to boundary edges of the rooms. If the stairs connect the interiors of the rooms, cutouts at the top and bottom must ... 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...

PyroSim 2020.1.0324

March 24, 2020

This release includes updated support for FDS 6.7.4, support for RAMP_T and TAU_T for Fixed Temperature surfaces, support for RAMP_Q and TAU_Q for Net Heat Flux surfaces, and bug fixes.


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...
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