yade-users team mailing list archive

[chiara modenese <c.modenese@xxxxxxxxx>]

On 11 May 2010 08:55, Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx> wrote:

>
>>
>>
>>            OTOH, us is exactly (trialFs-prevFs)/ks, by definition of
>>            trialFs,
>>
>> btw, us as you intend here is actually the total plastic displacement, not
>> the incremental one.
>>
>
> No, it is really the increment, including plastic and elastic.

I see.

>
>
>     When I say shearForce is varying I mean the maximum friction
>>    value. Maybe I am a little confused now, perhaps I am wrong. Could
>>    you just tell me if you see any effect due to the variation of the
>>    maximum friction? Because that is why I was making distinction
>>    between loading and unloading and for the same reason I am not
>>    convinced that using Trial force would be the best choice.
>>
>>  Yes, max fs is changing with fn. It is handled by the current equation
> correctly I think. Try computing different scenarii by hand and you will
> see, and let me know if you proove it wrong. :)
>
Ok, I will let you know.

>
> Bruno
>
>
>
>
>
>
>>    thanks, chiara
>>
>>        Chiara
>>
>>
>>
>>            Bruno
>>
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>
>
> --
> _______________
> Bruno Chareyre
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> Grenoble INP
> Lab. 3SR
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