yade-dev team mailing list archive

[chiara modenese <c.modenese@xxxxxxxxx>]

On 8 April 2010 15:26, Jerome Duriez <jerome.duriez@xxxxxxxxxxxxxxx> wrote:

>
> jean-françois jerier a écrit :
>
>   If you need an incremental formulation for your contact law (to know if
>> there is load or unload), I advice you to look at the contact law
>> (NormalInelasticityLaw.cpp) written by Jerome Duriez.
>> More precisely this test:  if(un > currentContactPhysics->unMax) .....
>>
>> The different data (as unMax) are saved into this file
>> (NormalInelasticityPhys).
>> I hope that I have helped you.
>>
>>  Thanks for the advertissement Jf ! This law is indeed maybe similar as
> the one you need. The attached figure plots the evolution of the normal
> force with respect to the interpenetration, for a contact between two
> spheres.
> It is indeed controled by the save, in the physics of the interaction, of
> the maximum value of the interpenetration : unMax.
> I'm just trying to write a script which could illustrate this law and I
> think I'll use for that your mindlin_test.py... ;-)
>
> So, feel completely free to ask !
>

Hi all,
thanks for all your answers. Jerome, I will certainly have a look at your
law. My relationship is actually non linear and Bruno is right saying that a
total formulation would not be applicable. Let's see what I can do.
cheers, Chiara

>
> --
> Jérôme Duriez
> ATER Iut 1 Grenoble, département GMP - Laboratoire 3S-R
> 04.56.52.86.49 (ne pas laisser de messages sur le répondeur)
>
>
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