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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?

Thks, Chiara

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