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Re: compactionFrictionDeg



Chiara Modenese a écrit :
Hi all,

As we have previously pointed out the final porosity of the packing depends on the PSD and on the value of friction we introduce as input values.

In my case I am using the expansion method but I see that whether I type a value of compactionFrictionDeg let's say equal to that one of the spheres or a value equal to zero, the final porosity doesn't modify. Is that correct or I should expect a change?

For different friction angle such as 5 deg and 30 deg for instance, yes you should expect a change.

I don't know why you don't find a change. But first, before looking for a problem in the definition of your simulation, the porosity in sphere assemblies cannot change a lot, thus what is the change of porosity you obtained ? (I imagine you don't find very exactly the same porosity, even if you say that porosity doesn't modify).


Thks, Chiara

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Luc Sibille

Université de Nantes - Laboratoire GeM UMR CNRS

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