fds multi-fire setup

[ShiChenglong-0423]

I'm currently trying to simulate a fire in a large scene using fds, but I'm having a problem conceptualizing how I can set up two fires in fds with different materials burning in the same scene. For example, I need a piece of grass and a piece of woodland to burn in the same scene, because there is a difference in material between grass and woodland. I have learned so far that running after designing for REAC parameters can only show the burning of the same material, so I would like to ask for some advice. Thank you!

[rmcdermo]

You can have multiple fuels. See the FDS User Guide section in Combustion >> Complex Stoichiometry >> Multiple Fuels.

[ShiChenglong-0423]

Thank you for your answer, I read the user guide section but I'm not sure I understand it correctly, I defined one burning material as acetone and the other as methane, now the red part is methane burning and the blue part is acetone burning?


Since I'm a beginner, I'm not particularly familiar with fds yet, thanks!

[rmcdermo]

Yep, you got it.