News

Pathfinder 2014.3.1016

October 16, 2014
This version includes FDS slice output visualization and bug fixes. 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...

Pathfinder 2014.2.0818

August 18, 2014
This is a maintenance release of Pathfinder. This version includes bug fixes and additional input validation. 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...

PyroSim 2014.2.0807

August 7, 2014

This is a maintenance release of PyroSim. The release includes updates for FDS and Smokeview as well as a fix for a bug with the Front and Left camera modes in the 2D View. Read More...

Pathfinder 2014.2.0806

August 6, 2014

This is a maintenance release of Pathfinder. This version includes bug fixes for non-English versions of Pathfinder. Read More...

Pathfinder 2014.2.0801

August 1, 2014

This is a maintenance release of Pathfinder. This version includes performance improvements, bug fixes, and features to create fly-throughs and security cameras. Read More...

PyroSim 2014.2.0731

July 31, 2014
This is a maintenance release of PyroSim. This release includes updates for FDS and Smokeview, an improvement to the cluster execution feature, and bug fixes. Read More...

PetraSim Training and Upcoming Release

June 18, 2014
Two PetraSim training courses will be offered concurrent with the upcoming TOUGH Short Courses (September 15-19, 2014 at LBNL).  One PetraSim course will be offered on Tuesday and Wednesday morning and the second starting Wednesday afternoon and Thursday. This will allow attendees to participate in a PetraSim course either before or after a TOUGH short course. Details will be posted on the RockWare and PetraSim web sites by June 25. We are also nearing release of a major upgrade to PetraSim.  Read More...

Radiation and Convection on Surfaces

April 25, 2014
Every solid surface in an FDS model defines convective and radiative flux thermal boundary conditions. Each of the terms are always being calculated, sometimes using default parameters that may not have been explicitly set. Read More...