yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

Václav Šmilauer a écrit :
> > Isn't it just because you used a big dt*velocity?
> > What happens when you reduce dt?
> >     
> > > I would like to have some straightforward way, something like
> > > trsfRate=Matrix3(0,1,0, 0,0,0, 0,0,0), which would progressively apply
> > > just that one shear.
> > >       
> > This is what happens actually, if you consider trsfRate = gradVel. (I think)
> >     
>
> currently:
>
>   _trsfInc=dt*velGrad;
>   trsf+=_trsfInc*trsf;
>
> note that there is _trsfInc*trsf, not just _trsfInc. It there was only
> trsfInc, then it would work that way.
>
>
>   
1 e 0 1 e 0 1 2e 0
0 1 0 * 0 1 0 = 0 1 0
0 0 1 0 0 1 0 0 1

Isn't it beautifull? ;-)

Bruno



> _______________________________________________
> Mailing list: https://launchpad.net/~yade-dev
> Post to     : yade-dev@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~yade-dev
> More help   : https://help.launchpad.net/ListHelp
>
>   


--

_______________
Chareyre Bruno
Maître de Conférences

Grenoble INP
Laboratoire 3SR - bureau E145
BP 53 - 38041, Grenoble cedex 9 - France
Tél : 33 4 56 52 86 21
Fax : 33 4 76 82 70 43
________________