[Getdp] 2D axisym. coil

[Peter Kis]

Dear Frederic,

thanks for your reply. There must be something else here, because VolAxiSqu
hasn't helped.

I think the time function in my code might be okay, because it seems to
work fine for Jacobi Vol.

Cheers,

Peter

On Sat, Aug 8, 2015 at 5:51 PM, Frederic Trillaud <
ftrillaudp at pumas.ii.unam.mx> wrote:

> Dear Peter,
>
> I had a similar problem, you should try VolAxiSqu. It solves my issue on
> the axis of symmetry.
>
> Jacobian
> {
>  {// Dimension ND regions in plane
>   Name AxiJacobian;
>   Case
>   {
>    {
>     Region infiniteBoundaryRegion;
>     Jacobian VolAxiSquSphShell{0.95*infiniteBoundaryInnerRadius,
> 1.05*infiniteBoundaryOuterRadius};
>    }
>    {
>     Region All;
>     Jacobian VolAxiSqu;
>    }
>   }
>  }
> }
>
> To apply the current density, you need to use time function that will be
> multiply to your current density. You have to implement it in the
> Constraint.
>
> Constraint
> {
> {
>   Name currentDensityCondition;
>   Case
>   {
>    {
>     Region inductorRegion;
>     Value currentDensity[];
>     TimeFunction timeFunction[];
>    }
>   }
>  }
> }
>
> I use the conditional operators to create the time function:
>
> "timeFunction[] = If condition Then statement Else statement;" is then
> in conditional operators:
> timeFunction[] = (condition) ? statement : statement;
>
> http://www.c4learn.com/c-programming/c-conditional-operators/
>
> Good luck,
>
> Frederic
>
> -----Original Message-----
> From: Peter Kis <md2z34 at gmail.com>
> To: getdp at geuz.org
> Subject: [Getdp] 2D axisym. coil
> Date: Sat, 8 Aug 2015 16:57:49 +0200
>
> Dear getDP list members,
>
>
> I am still struggling with my first model in getDP, which would be a
> single turn coil on 2D axisymmetric plane.
>
>
> Now, at least I get something, but I don't like what I get. I am not
> sure how to apply the time dependent excitation current density to the
> coil. Therefore I took something over from CoreMassive model (found on
> the Internet).
>
>
> As you can see in the attached pictures the magnetic vector potential
> for the pure 2D model (with Jac Vol) looks good but for the axisym model
> (with Jac VolAxi) it looks terrible.
>
>
> Definitely there is still something here what I miss.
>
>
> Any comment is highly appreciated.
>
>
> Thanks in advance,
>
>
> Peter
>
> _______________________________________________
> getdp mailing list
> getdp at geuz.org
> http://www.geuz.org/mailman/listinfo/getdp
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.geuz.org/pipermail/getdp/attachments/20150808/9622e3ef/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Aphi_Jac_VolAxiSqu.png
Type: image/png
Size: 125824 bytes
Desc: not available
URL: <http://www.geuz.org/pipermail/getdp/attachments/20150808/9622e3ef/attachment-0001.png>