Re: [blenderfds] gas ingress in a building

[Emanuele Gissi]

Hi Alessio,

This discussion group is dedicated to BlenderFDS.

I suggest to post the same question in the FDS discussion group.

Anyway, before posting there, the HOLE should be enough to let gas entering the building. But how many cells are spanning the hole? What's the goal of your study?

Emanuele 

Il mar 5 mar 2024, 11:11 ale.cl...@gmail.com <ale.cl...@gmail.com> ha scritto:

Good morning,

I'm trying to simulate gas ingress into a building through an HOLE in the wall (obstruction). Is the definition of a HOLE sufficient to let the gas  in or I need to specify something more (VENT?).

Thanks,

Alessio

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[alessio]

Hi Emanele,

ok noted, thanks.

However, I solved it, the HOLE is sufficient. It was a just matter to increase the mesh density. Goal is to monitor the methane buildup up to impairment concentration (60% LEL) and determine the time to impairment.

Thank you,

Alessio

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[Emanuele Gissi]

Great! Thank you for the feedback

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