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# Re: [femm] Eddy currents in a planar shield

- To: femm@yahoogroups.com
- Subject: Re: [femm] Eddy currents in a planar shield
- From: David Meeker <dmeeker@foster-miller.com>
- Date: Mon, 19 Nov 2001 09:19:20 -0500
- Organization: Foster-Miller, Inc.
- References: <GMU3HY$Ivl5Oes90gdA8bMhXNPIiRybuHPgaw8SGpHcoG5d0AlR2nPVc5V92@inwind.it>

    "emiliano.menghi@inwind.it" wrote:

    > Hi everybody.
    > I've to calculate the eddy currents induced in an alluminium planar shield.
    > The excitation is a three-phase current system.
    > The problem is the condition on the shield: Should i set the total current in the shield equal to zero or not (with the circuit property)?
    > I attach my femm file.
    >
    > Thanks

    In your geometry, it seems like current ought to be conserved within the plate, so I'd set the current to zero via a circuit property.

    Dave.

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    org:Foster-Miller, Inc.;Electrical and Electronic Systems Group
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- References:
  - Eddy currents in a planar shield
    - From: "emiliano.menghi@inwind.it"<emiliano.menghi@inwind.it>

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