Fire Dynamics Simulator

Fire Dynamics Simulator (FDS) is a large-eddy simulation (LES) code for low-speed flows, with an emphasis on smoke and heat transport from fires.

Free software · pages.nist.gov

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What Fire Dynamics Simulator’s own pages say

What it says it doesFire Dynamics Simulator (FDS) is a large-eddy simulation (LES) code for low-speed flows, with an emphasis on smoke and heat transport from fires. pages.nist.gov
Free planYes pages.nist.gov
Open sourceYes pages.nist.gov
Licensethis software is not subject to copyright protection and is in the public domain. pages.nist.gov

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.