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# Re: plot contours

- To: femm@yahoogroups.com
- Subject: Re: plot contours
- From: vecerkaj@yahoo.com
- Date: Thu, 22 Nov 2001 07:00:21 -0000
- In-reply-to: <9tha83+10q8u@eGroups.com>
- User-agent: eGroups-EW/0.82

    --- In femm@y..., tborzic@y... wrote:
    > Hello again, I am here with new problem.
    > Remember that two paralel strips problem, inductance?
    > now i consider AC current, so I just put 50Hz instead of 0 in
    > Problem definition dialog box. Also I put "Pure Iron" instead
    > of air but I changed mi0 so it is not pure iron exactly.
    > But, this is irelevant in my problem. The point is that when
    > I put 50 Hz current in copper i get picture of magnetic flux
    > with lines of flux close to copper. it is ok picture for linear B-H
    > curve. now, if I put non-linear B-H curve I should get lines
    > of magnetic flux (contours) that are more spread ower iron.
    > (B=u*H, so if I change B/H ratio in curve I also change u?)
    > u = permeabillity
    > of course "working point" of my model should be behind the "knee"
    > of curve ?
    > with what values in my model can I achieve that?
    > thanx
    > tomislav

    Hi Tomislav
    I just want to remind you, that for harmonic analyses B-H curves are
    not considered and constant mix and miy are used instead of (even
    when BH curves are defined) - It's calculated as linear analysis.
    (Check the manual, page 20)

    Jiri Vecerka

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