Yade

calculate porosity

Asked by fengjingyu

Hi,

I'm studying porosity.Using voxelPorosity is convenient,but how can i calculate by hands.I have seen i.geom.penetrationVolume in others script.Can this function be used to calculate porosity？For example,sum Volume - (sum i.geom.penetrationVolume)/2.

Thanks,

Feng

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fengjingyu (fengjing) said : 		#1

I forgot to say.I calculate porosity of the PeriTriaxController.So i can obtain the box volume.

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Jérôme Duriez (jduriez) said : 		#2

Hi,

Did you try just porosity() [*] ?

As for penetrationVolume, note that this attribute is defined for some shapes only (not for interacting spheres, for instance).

Jérôme

[*] https://yade-dem.org/doc/yade.utils.html#yade._utils.porosity

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fengjingyu (fengjing) said : 		#3

Thanks Jérôme,

I am using voxelPorosity.But it is not absolutely accurate.So I wonder if there is a way to get the exact amount of overlap.

Feng

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