Re: [Yade-users] [Question #703836]: How desiredPorosity works?

2022-12-07 Thread Launchpad Janitor
Question #703836 on Yade changed:
https://answers.launchpad.net/yade/+question/703836

Status: Open => Expired

Launchpad Janitor expired the question:
This question was expired because it remained in the 'Open' state
without activity for the last 15 days.

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Re: [Yade-users] [Question #703836]: How desiredPorosity works?

2022-11-21 Thread Jiannan Wang
Question #703836 on Yade changed:
https://answers.launchpad.net/yade/+question/703836

Status: Answered => Open

Jiannan Wang is still having a problem:
Hello Robert,

Thank you again for the answer, forgive my slow comprehensiveness: so
what happen to the volume that are volume * (actualPorosity
-desiredPorosity)? Do they have the physical properties of pore fluid
only do not flow? Or something else? Thank you.

Best regards
Jiannan

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Re: [Yade-users] [Question #703836]: How desiredPorosity works?

2022-11-19 Thread Robert Caulk
Question #703836 on Yade changed:
https://answers.launchpad.net/yade/+question/703836

Status: Open => Answered

Robert Caulk proposed the following answer:
Hello,

>In short, am I correct to assume that the particles got manually swelled up to 
>meet the desiredPorosity?
>are their thermal and mechanical properties replaced as particles'? 

No, the structural packing is not changed by desiredPorosity. Particle
count remains unchanged.

Cheers,

Robert

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Re: [Yade-users] [Question #703836]: How desiredPorosity works?

2022-11-18 Thread Jiannan Wang
Question #703836 on Yade changed:
https://answers.launchpad.net/yade/+question/703836

Status: Answered => Open

Jiannan Wang is still having a problem:
Thank you Robert,

So, for the parts that got "corrected" (actualPorosity -
desiredPorosity), are their thermal and mechanical properties replaced
as particles'? In the THM process, are these portion act like solid or
pore fluid?

In short, am I correct to assume that the particles got manually swelled
up to meet the desiredPorosity?

Thank you again.

Best 
Jiannan

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Re: [Yade-users] [Question #703836]: How desiredPorosity works?

2022-11-16 Thread Robert Caulk
Question #703836 on Yade changed:
https://answers.launchpad.net/yade/+question/703836

Status: Open => Answered

Robert Caulk proposed the following answer:
Hello,

By default, `FlowEngine` computes the volume of water in a cell to be
equivalent to the full tetrahedron less the sphere fractions.
`desiredPorosity` allows the user to reduce the total volume of water in
the specimen by multiplying the default cell volumes by a
volumeCorrection factor:

volumeCorrection = desiredPorosity/actualPorosity
cell_volume = volume * volumeCorrection

This has an effect on compressible fluid simulations and heat diffusion.

It does not change the structural sphere packing.

Cheers,

Robert

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[Yade-users] [Question #703836]: How desiredPorosity works?

2022-11-16 Thread Jiannan Wang
New question #703836 on Yade:
https://answers.launchpad.net/yade/+question/703836

Hello,

So how dose desiredPorosity in the flow engine work? The description only says 
"Correct the cell volumes to reflect this desired porosity". 

Does that means even if I pack the particles loosely, I can just change the 
desiredPorosity into a low value and get a tight rock? It would be great if 
there is some sort of paper you can direct me to look up. Thanks.

Best 
Jiannan

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