News

Create a t-squared Fire

January 7, 2015
In PyroSim, there is not a direct way to enter the alpha value for a t-squared fire. This short video will show you how you can determine the time to peak HRRPUA. Read More...

Add Slice Output

December 19, 2014
Adding Slice output to a model is quick and easy with the Slice Tool. This video demonstrates how to add a slice and to change the slice output options with the Slice tool properties dialog. Read More...

PyroSim 2014.4.1208

December 8, 2014

This is a maintenance release of PyroSim. This release fixes a critical bug causing PyroSim to crash when when trying to copy or move a sprinkler. Read More...

Modeling a Pressure Relief Vent

November 18, 2014
This post analyzes a pressure relief vent, where air is injected into a room, the pressure in the room is monitored, and a vent is opened when a set pressure is reached. The key is to include at least two pressure zones in your model. Read More...

PyroSim 2014.4.1105

November 5, 2014

This is a maintenance release of PyroSim. This release includes updates for FDS and Smokeview as well as a fix for a bug that could cause PyroSim to crash when when trying to copy or move a sprinkler. Read More...

PyroSim/FDS and Pathfinder Training at International Locations

November 3, 2014

In 2015, Thunderhead Engineering will offer PyroSim/FDS and Pathfinder training at several international locations. Each training session will include a two day PyroSim/FDS workshop, a two day Pathfinder workshop, and a one day introduction to an FDS/PyroSim distance education course offered through Seneca College. Read More...

PyroSim 2014.3.1030

October 30, 2014

This is a maintenance release of PyroSim. This release includes a fix for a bug that could occur when loading a legacy PSM file with an adiabatic surface. Read More...

PyroSim 2014.3.1023

October 23, 2014

This is a maintenance release of PyroSim. This release includes changes to the Edit Surfaces dialog, additional preset views, static particle support, and elliptical sprays. This is the last release planned to include 32-bit support. Read More...

Online Participation – Fire and Evacuation Modeling Technical Conference 2014

September 4, 2014
Thunderhead Engineering is hosting the 2nd Fire and Evacuation Modeling Technical Conference on September 8-10, 2014 in Gaithersburg, Maryland. There will be two days of technical presentations on fire and evacuation modeling (September 8-9), with an optional third day of workshop classes on PyroSim and Pathfinder (September 10). Over 100 participants have registered to attend in ... Read More...

OpenMP Benchmarks

August 18, 2014
FDS now uses OpenMP to run faster on PCs that have multiple cores. This post presents two benchmark simulations that show how much improvement you can expect and how to configure simulations to use OpenMP effectively. Read More...