FDS Cluster Free Upgrade for PyroSim

March 28, 2016
PyroSim 2016.1 is set to release in the next two weeks, including support for additional DEVC fields and new CAD file import options similar to those added in Pathfinder 2016.1. In addition, all PyroSim licenses will now include unrestricted use of the cluster simulation option. This is a permanent change which will automatically take effect, saving users 30% of the cost of purchasing PyroSim with the Unlimited Cluster Option. Read More...

Velocity Patch in FDS

March 24, 2016
It is not feasible to simulate full scale parking garages with such a fine mesh, even if multiple meshes are used. This post discusses ways it may be possible to use a larger mesh size and still obtain meaningful results. Read More...

Nokia Arena, Tel Aviv, Israel

January 15, 2016

Submission by: Donna Netanel from S. Netanel Engineers and Consulting Ltd and OffStream Studios.

Nokia Arena, located in the heart of Tel Aviv, has everything you need to allow you to create an international level production: a large auditorium, a magnificent gallery and a huge outdoor plaza.

In the area of the arena there are events, conventions, and product launches for between 300 – 11,000 people. Read More...

Assign FDS Meshes to Specific MPI Processes

December 18, 2015
This feature allows additional MPI and OpenMP parameters to be added to each MESH line in PyroSim, without the need to export and edit the file by hand and run from the command line. Read More...

PyroSim 2015.4.1214

December 14, 2015
This release fixes bugs that could cause corrupted file errors when loading models created by older versions of PyroSim. Download the latest version of PyroSim from the PyroSim download page or by registering for a free 30-day trialRead More...

PyroSim 2015.4.1208

December 8, 2015
This release adds syntax highlighting and line numbers to the record view; adds advanced data entry for the MESH, TIME, and MISC name lists; and updates FDS support to version 6.3.2. Download the latest version of PyroSim from the PyroSim download page or by registering for a free 30-day trial. This version of PyroSim is designed for ... Read More...

Freezing HRR in PyroSim

November 11, 2015
A common strategy when modelling a fire with sprinklers is to assume the fire will be held at a constant heat release rate (HRR) when the first sprinkler activates. This post shows how to do this by automatically "freezing" the HRR at a constant value when a sprinkler activates.  Read More...

Training Events in Singapore, October 2015

October 14, 2015
The event "Best Practices for Fire Simulation: PyroSim and Pathfinder", will be hosted in Singapore at SCDF HQ, 91 Ubi Avenue 4, by our distribution partner Building System & Diagnostics Pte Ltd (BSD). Bryan Klein from Thunderhead Engineering will be presenting. Read More...

Viewpoints and Section Boxes for Better Perspective

September 14, 2015

PyroSim 2015.3 introduced two new tools to help engineers and their clients see the model in new ways. Viewpoints and section boxes, combined together to form a single view item, allow the user to save camera positions and clip geometry.


Updated FDS Combustion and Fuel Composition Calculators

September 2, 2015
This post describes updated combustion product and fuel composition spreadsheet calculators for use with FDS (the Fire Dynamics Simulator from NIST). Read More...