[Getdp] Voltage Sourcing in Magnetodynamic problem

Christophe Geuzaine geuzaine at acm.caltech.edu
Fri Apr 9 07:22:24 CEST 2004


John M. Correa wrote:
> Mr. Christoph Geuzaine
> I need to know/confirm how to source the Magentodynamic Coil-Core problem (of 
> the Getdp User Manual).
> 
> The Function Space for the Magnetic Vector Potential and Gradient of Electric 
> Scalar Potential are the following:
> ---------
> 
> FunctionSpace {
> 
>   /* Magnetic vector potential a (2D) */
>   { Name Hcurl_a_Mag_2D ; Type Form1P ;
>     BasisFunction {
>       { Name se ; NameOfCoef ae ; Function BF_PerpendicularEdge ;
>         Support Domain_Mag ; Entity NodesOf[ All ] ; }
>     }
>     Constraint {
>       { NameOfCoef ae ; EntityType NodesOf ;
>         NameOfConstraint MagneticVectorPotential_2D ; }
>     }
>   }
> 
>   /* Gradient of Electric scalar potential (2D) */
>   { Name Hregion_u_Mag_2D ; Type Form1P ;
>     BasisFunction {
>       { Name sr ; NameOfCoef ur ; Function BF_RegionZ ;
>         Support DomainC_Mag ; Entity DomainC_Mag ; }
>     }
>     GlobalQuantity {
>       { Name U ; Type AliasOf        ; NameOfCoef ur ; }
>       { Name I ; Type AssociatedWith ; NameOfCoef ur ; }
>     }
>     Constraint {
>       { NameOfCoef U ; EntityType Region ; NameOfConstraint Voltage_2D ;
> }
>       { NameOfCoef I ; EntityType Region ; NameOfConstraint Current_2D ;
> }
>     }
>   }
> ------------------------
> 
> I need to know if in case of 2D problems the coil (Massive)  is fed by global 
> voltage by simply setting de Voltage_2D constraint to some value?. In case of 
> current fed inductor, the same procedure of setting the constraint Current_2D 
> is sufficient to correctly define the problem. Am I OK??.
> 

Yes, that's it.

Christophe

-- 
Christophe Geuzaine
Applied and Computational Mathematics, Caltech
geuzaine at acm.caltech.edu - http://geuz.org