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Re: average stress in particles


Bruno Chareyre said:     (by the date of Thu, 07 Oct 2010 11:44:35 +0200)

> Hi,
> I'd like to get the mean stress tensor in particles using the contour 
> integral of forces (i.e. F_i*L_j/V on one particle, with L_j the contact 
> points), is it already implemented?

I think that a PhD student at my university has it already, in some a
bit older version of yade. I'm not sure if it is exactly what you
want: he cuts a box of volume inside a sample, finds all spheres that
cross this box boundary, gets their interaction forces and calculates
stresses. Also checking if the inside forces equal to outside forces.

This would be a nice exercise for him to commit this to BZR. But
I cannot tell you how long you would need to wait for this.

Łukasz can you just send the code that calculates the stress to Bruno?

Janek Kozicki                               http://janek.kozicki.pl/  |

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