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Old   March 4, 2021, 06:11
Unhappy Learning/Using fireFoam
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Hello, I'm new to using OpenFOAM. It's been around 2 weeks since I started working on my project, which is fire modelling and simulation (for a building exposed to fire).
The aim of my project is to learn how to use OpenFOAM and specifcally the fireFoam solver.

I'm already got a good idea about the equations that fireFoam uses and the major steps to run your simulations on OpenFOAM. The thing is I can't find enough guides on how to use fireFoam, and I'm trying to learn as much as I can about the parameters necessary for simulating some cases (I'm focusing on pyrolysis ones) and how they choose boundary conditions and so on. Still, the theses are my only reference and they don't provide a guide to use that solver.

Is there any useful guides that I can use? Or is it possible to train on turbulent simulations using other solvers (because there are enough guides regarding that), then find similarities in fireFoam?

Thanks in advance
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Old   March 4, 2021, 18:31
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Certainly, publications are your friend (e.g., some references below, if you've not already seen them, as well as various dissertations floating around). In terms of using fireFoam, the tutorials are your friend. Between those available with OpenFOAM (.com or .org), and the fireFoam-dev repository (https://github.com/fireFoam-dev/fireFoam-dev/) there should be enough to get you started.

Ref 1 : Li, Ying Zhen, et al. "Verification, validation and evaluation of FireFOAM as a tool for performance design." (2017).
Ref 2 : Vinayak, Ashish. Mathematical Modeling & Simulation of Pyrolysis & Flame Spread in OpenFOAM. No. FZJ-2018-00797. Jülich Supercomputing Center, 2017.

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Old   March 5, 2021, 05:40
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Quote:
Originally Posted by clapointe View Post
Certainly, publications are your friend (e.g., some references below, if you've not already seen them, as well as various dissertations floating around). In terms of using fireFoam, the tutorials are your friend. Between those available with OpenFOAM (.com or .org), and the fireFoam-dev repository (https://github.com/fireFoam-dev/fireFoam-dev/) there should be enough to get you started.

Ref 1 : Li, Ying Zhen, et al. "Verification, validation and evaluation of FireFOAM as a tool for performance design." (2017).
Ref 2 : Vinayak, Ashish. Mathematical Modeling & Simulation of Pyrolysis & Flame Spread in OpenFOAM. No. FZJ-2018-00797. Jülich Supercomputing Center, 2017.

Caelan
Thank you so much for the reply!
I already read those references and they're really helpful, but about your public git repository, I've been trying to use the AMR with fireFoam and I found out about the diffusionFireFoam library. I've been trying to install it and run an example but I get an error stating that it can't find the solver diffusionFireFoam, as well as an old command in one of the files (it says I should use "scale" to convert to meters or something).

I'm sorry if I'm bothering, but is there a guide on how to install a library properly on openfoam? Maybe the diffusionFireFoam requires an older version of OpenFOAM, because I have the latest one. Is it the problem that I can't use this library?
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Old   March 5, 2021, 10:15
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Without knowing which version of OpenFOAM you're using it is hard to say, but to hazard a guess it would be an openfoam.com variant. To use the fireFoam variants in my repository, you should install OpenFOAM-7. Then, the Allwmake script in the "of7" folder will compile everything for you. If you have any troubles, this may be better suited to the thread in the C&C section of the site (AMR version of fireFoam).



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Old   March 5, 2021, 10:20
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Thank you so much!
I'm currently using v2012. I'll try installing OpenFOAM-7 and see how it goes.

Thanks for the help again.
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