yade-users team mailing list archive

[chiara modenese <c.modenese@xxxxxxxxx>]

> Hi Vaclav,
>
> not sure to understand your answer ;( What do you actually mean with
> "interaction" in this regard? Are you talking about the contact point? I
> would appreciate if you could say more. When I will have got it I will add
> documentation (since now to me it is still not clear).
>
> cheers, Chiara
>
>
>
> 2010/3/17 Václav Šmilauer <eudoxos@xxxxxxxx>
>
> > Hi,
>> >
>> > I add a question regarding the computation of the shear force as done
>> > in ScGeom. I remember that Bruno said that this procedure follows
>> > somehow what is explained in pfc manual. I checked that formulation
>> > and I do not understand why do we need to "update" (basically rotate)
>> > the shear force at the current value before adding the new increment.
>> > The force is expressed in the global system, so which is the reason
>> > for that?
>> Because the interaction might rotate in space as well, and shear force
>> should be kept constant relative to the interaction. Did I answer your
>> question?
>>
>> PS. You might write a sentence about this in the docs of ScGeom itself,
>> since your questions are very good :-)
>>
>>
>>
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>
>