Simulated Fire –
Walkthru Design
uWalkthru adds properties and objects not found in the basic CFAST simulation.  These include:
1.Wall Specifications such as thickness and material
2.Furniture characteristics such as mass, materials, chemistry, and combustion details.
3.
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The Walkthru model contains detailed material information about the building area and is a good feeder system to the CFAST model.  Where CFAST contains the chemistry, burn properties, and ignition times, Walkthru provides the detailed geometric and material specifications that architects would need to evaluate strength of building supports and the like.

The most important piece of information that Walthru provides to CFAST is the geometry of objects contained in a room. This information is fed into CFAST to provide obstacles to the flow of the fire.

The role of Walkthru is as the visualizer for the fire in progress.  It is designed to show the progress of the fire and smoke and give a visual representation of what can and cannot be seen.  Pictures of how Walkthru views appear can be found at:

http://www.cs.berkeley.edu/~bukowski/wkfire/