yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

No, CompressionEngine::spheresVolume was hiding 
StressController::spheresVolume. I removed the first one. Older xml's 
won't load.

Bruno

On 07/07/10 20:13, Anton Gladky wrote:
> spheresVolume=1 is in constructor. Maybe it is not updating later?
>
> http://bazaar.launchpad.net/%7Eyade-dev/yade/trunk/annotate/head%3A/pkg/dem/Engine/PartialEngine/TriaxialCompressionEngine.hpp#L109
>
>
> 2010/7/7 Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx 
> <mailto:bruno.chareyre@xxxxxxxxxxx>>
>
>     The data was duplicated in the inheriting CompressionEngine.
>     Commit in a few minutes.
>
>     B.
>
>
>     On 07/07/10 19:54, Bruno Chareyre wrote:
>
>
>                 Why does it return a wrong value? spheresVolume is
>                 internally correct
>                 (it is used to define porosity), wrapping changes the
>                 value?!
>
>             I don't believe that this is even possible.
>
>         It is apparently...
>
>             If I read the code right, then spheresVolume is calculated
>             once, at
>             start. And then it is being modified in that line 210:
>
>                spheresVolume = spheresVolume * std::pow ( multiplier,3 );
>
>         Correct.
>
>             Why are you doing this, btw?
>
>         If all sizes are multiplied by "multiplier", then the volume
>         is multiplied by multiplier^3.
>
>             TriaxialStressController.cpp line 165. How many times that
>             line is called?
>
>         Each time the size of spheres is modified (i.e. probably 0
>         times in your case, since you didn't even realize it could be
>         changed ;-)).
>
>
>             now, question is if I read the code right... And why
>             porosity is
>             correct if spheresVolume is not??
>
>         That is the interesting question. spheresVolume is correct,
>         really. Would python convert it to int for some reason?
>
>         Bruno
>
>
>
>
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