News

Modeling Fire, Part 3 – Combustion using HRR

February 23, 2014
FDS can be a useful tool for both a fire protection engineer and a fire researcher. The challenge is that this can result in a bewildering array of options with respect to modeling the combustion process. Read More...

Modeling Fire, Part 2 – Heat Release Rate

February 14, 2014
When we specify a Heat Release Rate, we are really specifying the rate at which fuel is released into the fire simulation. The fuel mass flow rate is calculated so that combustion will release heat at the desired rate. Read More...

Modeling Fire, Part 1 – Reactions

February 14, 2014
All PyroSim (FDS) models that include combustion must define a gas phase reaction that converts fuel to combustion products. We review the "simple chemistry" approach in FDS. Read More...

Using PyroSim for Parallel Processing of Multiple Meshes

January 27, 2014
This video shows reasons to use multiple meshes, rules and guidelines for defining multiple meshes, how to use the multiple mesh tools, and how to run a parallel processor solution. Read More...

PyroSim 2014.1.0110

January 10, 2014

This is a maintenance release of PyroSim. This version fixes bugs related to support for FDS6 and HVAC. Read More...

HVAC Pressure Drop Verification

January 7, 2014
In this model, there are three HVAC nodes and two HVAC ducts. The calculation for the expected pressure loss in the duct without a fan was done in a spreadsheet that you can download. Read More...

Create CO Sampling Device

December 28, 2013
This video demonstrates how to add a carbon monoxide detector and view its output. Read More...

PyroSim 2013.1.1220

December 20, 2013

This is a major release of PyroSim. This version adds support for FDS6 and HVAC. Read More...

PyroSim 2013.1.1126 (Beta)

November 26, 2013

This is a beta release for PyroSim 2013. This release includes bug fixes. Read More...

PyroSim 2013.1.1122 (Beta)

November 22, 2013

This is a beta release for PyroSim 2013. This release improves FDS6 integration, adds support for textures in DWG import, and adds graphical support for HVAC elements. Read More...