yade-dev team mailing list archive

[Chiara Modenese <c.modenese@xxxxxxxxx>]

On 23 January 2011 20:19, Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx> wrote:

>  .
>
>  I think it is possible, but in my previous post I missed to say that one
> should also set the new reference size to the current one (at the moment in
> which trsf is set equal to identity). Hence, given what setTrsf() does, this
> should be safe also with the new method. Would you confirm?
>
>
> I didn't think about that. Indeed, it should work (did somebody try?),
>
At least this is what I am doing and it seems to work well.


> but only if everything is axis aligned. For simple shear, it would not
> work.
> Perhaps something similar can be done with Hsize after last changes :
> tempHSize = Hsize
> trsf = identity
> Hsize = tempHSize
>
> This means one has to undo manualy what "trsf=" is doing silently. Not
> really intuitive...
>
Perhaps not so much but can you really uncouple trsf and refSize or Hsize?
The method you introduced is going to be quite flexible and I hope that
using the same method for the new reference state work. I will try it
anyway.

Chiara


> Bruno
>
>
>
>
> Chiara
>
>>
>> > 2) As for the new method which would use hSize, why this would not be
>> > possible? Could you explain me better, please?
>> >
>>  In all cases, setting trsf=Id would undeform the cell back to the
>> initial Hsize, be it an axis-aligned Hsize (old) or non-aligned (new).
>> You can have a look at what Cell::setTrsf is doing.
>>
>> Cheers.
>>
>> Bruno
>>
>>
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>
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> --
> _______________
> Bruno Chareyre
> Associate Professor
> ENSE³ - Grenoble INP
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