[Getdp] example of fixed point iteration in GetDP

Ruth Vazquez Sabariego Ruth.Sabariego at esat.kuleuven.be
Tue Jul 15 11:04:03 CEST 2014


I see. The demo I am talking about is indeed in the GetDP part: http://www.geuz.org/getdp/

I have a svn release and compile myself on a Mac. 
Just checked the precompiled version and it is there. 
In the Mac version, it is in the directory 
share/doc/getdp/demos

Ruth



On 15 Jul 2014, at 10:54, Frederic Trillaud <ftrillaudp at gmail.com> wrote:

> Dear Ruth,
> 
> Thank you for your quick reply. I have the oneLab bundle Gmsh-Getdp
> installed on my linux box. However, it does not come with examples. Is
> the one mentioned can be found on the Getdp website or I should install
> Getdp to access it?
> 
> 
> Best,
> 
> 
> Frederic
> 
> 
> On mar, 2014-07-15 at 07:23 +0000, Ruth Vazquez Sabariego wrote:
>> Hi Frederic,
>> 
>> 
>> You can inspire yourself from the magnetostatic demo you get when
>> downloading GetDP.
>> 
>> 
>> There is a complete Newton-Raphson example, i.e. a term for completing
>> the Jacobian matrix is included (JacNL).
>> You can just remove or comment it for getting a fixed point iteration.
>> The resolution does not change.
>> 
>> 
>> HTH,
>> Ruth
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> On 14 Jul 2014, at 18:29, Frederic Trillaud Pighi
>> <ftrillaudp at pumas.iingen.unam.mx> wrote:
>> 
>>> Dear all,
>>> 
>>> 
>>> 
>>> I have a non-linear magnetodynamics problem that involves a fixed
>>> point iteration. Would someone have an example to share or some
>>> recommendation how to implement the algorithm?
>>> 
>>> 
>>> 
>>> The problem is the following (A formulation, sig: electrical
>>> conductivity, Je: applied current):
>>> 
>>> 
>>> 
>>> Curl[nu*Curl(A)]+sig*dA/dt = Je
>>> 
>>> 
>>> 
>>> with,
>>> 
>>> 
>>> 
>>> sig = f(-dA/dt+Je/sig])
>>> 
>>> 
>>> 
>>> 
>>> Best,
>>> 
>>> 
>>> 
>>> 
>>> Frederic
>>> 
>>> _______________________________________________
>>> getdp mailing list
>>> getdp at geuz.org
>>> http://www.geuz.org/mailman/listinfo/getdp
>> 
>>>> Prof. Ruth V. Sabariego
>> KU Leuven  
>> Dept. Electrical Engineering ESAT/Electa
>> http://www.esat.kuleuven.be/electa
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> _______________________________________________
>> getdp mailing list
>> getdp at geuz.org
>> http://www.geuz.org/mailman/listinfo/getdp
> 

—
Prof. Ruth V. Sabariego
KU Leuven  
Dept. Electrical Engineering ESAT/Electa
http://www.esat.kuleuven.be/electa











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