[Getdp] Magnetostatic problem in 3D (non symetrical)

[Pavol Chladny]

Hi Patrick,

I will check your posts for sure. Anyway, do you know (approximately) 
when can Magnetostatic 3D formulation appear there ?

Regards,
Palo

> Palo,
> 
> I have just posted to the getdp wiki a 2D and 3D magnetodynamic 
> formulation in which stranded and massive inductors can be taken into 
> account. A complete example of application is given as well. In the
next 
> future, I will post a 3D magnetostatic formulation with stranded 
> inductors. Such a formulation could be built from the magnetodynamic
one.
> 
> Kind regards,
> 
> Patrick
> 
> 
> 
> Pavol Chladny wrote:
> 
> > Dear Mathias,
> >
> > Thanks a lot for your reply. I welcome everything, because I need to 
> > get familiar with GMSH & GetDP and I don't have lot of time. :(
> >
> > You were assuming right that I need this for real 3D problem, because 
> > it won't be symetric. That definition with Vector looks good, but I 
> > have one question. Is GetDP capable to take such definition in 
> > cylindical coordinates ? If it works, it can make things easier to me 
> > (I hope).
> >
> > Another question I have is about Inf (AirInf) region always used in 
> > examles. Is there an exact rule how this must look ? For example, can 
> > this region be defined like volume between two coaxial valves ?
> >
> > If this has already been discussed in this mailing list, please help 
> > me find it. I am new in mailing list. I was looking for something in 
> > archives, but I wasn't successful yet.
> >
> > Best regards,
> > Palo
> >
> > m.fenner at gmx.net wrote:
> >
> >> Dear Pavol,
> >>
> >> for an axisymmetric problem I could offer you a geometry and a 
> >> problem description file. I shall attach these to this message. From 
> >> your first message I assume that you are interested in a true 3D 
> >> problem, right? I guess one could try the straight forward way and 
> >> define a source current density j[Coil] = Vector[ -Y[],X[],0 ] in 
> >> region coil (be aware I have not tested this, X[] returns the X 
> >> coordinate of an element, see recent mailing list).
> >> But maybe Christophe can show you a way how to utilize global values 
> >> to drive a source current in an arbitrary geometry.
> >>
> >> Best regards
> >>
> >> Matthias
> >>
> >>                         
> >> -------- Original Message --------
> >> Subject: Re: [Getdp] Magnetostatic problem in 3D (non symetrical) 
> >> (17-Jan-2005 21:50)
> >> From:    pchladny at pobox.sk
> >> To:      m.fenner at omicron.de
> >>
> >>  
> >>
> >>> Hi again,
> >>>
> >>> I will try to start with something simpler as I am starting with 
> >>> GMSH and GetDP.
> >>>
> >>> Lets have a problem like in geometry in attatchement. There is one 
> >>> coil placed in air (coaxial).
> >>> How can I define source current density in coil ? What about 
> >>> boundary conditions ?
> >>>
> >>> Regards,
> >>> Pavol Chladny
> >>>
> >>> Faculty of Mathematics, Physics and Informatics
> >>> Comenius University
> >>> Bratislava, Slovakia
> >>>
> >>>
> >>> _______________________________________________
> >>> getdp mailing list
> >>> getdp at geuz.org
> >>> http://www.geuz.org/mailman/listinfo/getdp
> >>>
> >>>   
> >>
> >>
> >>  
> >>
> >
> > _______________________________________________
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> >
> >
> 
> -- 
> Patrick Dular, Dr. Ir., Research associate, F.N.R.S.
> Department of Electrical Engineering and Computer Science
> Unit of Applied Electricity
> University of Liege - Montefiore Institute - B28 - Parking P32
> B-4000 Liege - Belgium - Tel. +32-4 3663710 - Fax +32-4 3662910
> E-mail: Patrick.Dular at ulg.ac.be
> 
> 

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