PyroSim supports the “simple chemistry” combustion model in FDS that considers a single fuel species composed of, ,, and that reacts with in one mixing-controlled step to form, ,, , and. This post references that example frequently and readers are encouraged to have both documents available while working through this post. In the FDS User Guide, Section 13.2.2 “Complex Stoichiometry”, an example is given that demonstrates how to accomplish this using FDS directly. To use multiple-fuel reactions in an FDS simulation, it is necessary to specify the gas species and stoichiometry of the reactions. This post demonstrates how to perform a multiple-fuel simulation using PyroSim. For simulations requiring multiple fuel species, a few extra steps are required.
PyroSim’s design assumes that most users want to use FDS with a single-fuel, “simple chemistry” combustion model. The post Complex Stoichiometry in PyroSim updates and replaces the contents of this post. Meanwhile it is possible to link PyroSim results with Pathfinder software which is advanced movement simulation combined with high-quality 3-D animated results, gives reliable answers.PyroSim 2018.2 now supports complex stoichiometry in the user interface. Using PyroSim we could define smoke detectors and sprinklers in 3D model, in order to examine the current design in case of fire with both software. PyroSim and FDS are both using as main software to simulate the fire reaction in different environments like Building, parking lot, Subway, Tunnel, Cinema, Commercial office complex and … PyroSim helps companies to create and manage the details of complex fire models. PyroSim is a graphical user interface for the Fire Dynamics Simulator (FDS).
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