[Gmsh] Symetry : when it is become explicit ?

[Adrien Girard]

Ok, so I do keep my model like I have for now : 1/8

Thank you very much


2013/2/6 Rui Maciel <rui.maciel at gmail.com>

> On 02/06/2013 08:34 AM, Adrien Girard wrote:
>
>> Thank you very much for your answer.
>>
>> So I have to make the simulation on the whole model (8/8) ? But then the
>> cost of the simulation will be 8 times more ?
>> And thus, I do not take benefit of the symmetry of the problem, or
>> I misunderstood something ?
>>
>
> It's the other way around.  If you analyze a model without taking
> advantage of any symmetry condition then you will have to pay the full
> computational price to get a solution.  This is the baseline case.
>
> If, OTOH, you are able to take advantage of a model's symmetry then you
> will be able to get essentially the same solution by analyzing an
> equivalent model which is a fraction of the size of the original one. In
> the case you've described, this model will be about 1/8th of the original
> model's size.  As a consequence, you might get the FEM solution in about 1%
> of the time it would otherwise take to run the analysis.
>
>
>
> Hope this helps,
> Rui Maciel
>
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-- 
Adrien Girard

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