yade-users team mailing list archive

[chiara modenese <c.modenese@xxxxxxxxx>]

Btw, I am not saying that the algorithm does not work. It does, under a
certain choice of the involved parameters. Simply, it is not clear to me how
the cell mass is supposed to affect the problem and to which extent. Hence,
I am looking for your suggestions to somehow replace it.

Chiara


On 13 November 2010 01:13, chiara modenese <c.modenese@xxxxxxxxx> wrote:

> Hi Bruno,
>
> since as you say it is a mass density, that would not work. I mean, I have
> tried different cell dimensions (I guess that is what you mean with size of
> the period) and have employed different size distributions. In all the
> cases, the same problem was shown. This mass value influences very much the
> stability, and one has only to guess about it (I mean, it is a random
> number, depending also on the micromechanical parameters chosen). Besides
> this, it does not have a proper physical meaning for the purpose of the
> simulation. That is why I do not understand its role. I think we could write
> the algorithm in a simpler way, if you have any ideas how to do it
> differently do let me know.
>
> Cheers. Chiara
>
>
>
>
> On 12 November 2010 18:37, Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>wrote:
>
>> Hi Chiara,
>>
>> "mass" can be seen as a mass density. What happens if you keep it constant
>> and you change the size of the period or the size of particles?
>> Can it trigger instabilities?
>> Bruno
>>
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