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# Re: [femm] boundary conditions

- To: <femm@egroups.com>
- Subject: Re: [femm] boundary conditions
- From: "Eckart Nipp" <eckart.nipp@m-v-l.de>
- Date: Thu, 13 Apr 2000 08:03:20 +0200
- Reply-to: "Eckart Nipp" <Eckart.Nipp@m-v-l.de>

    >I've been trying to model an alnico V slug (.187" dia. by .750" long)
    >for a guitar pickup and keep getting an unlikely field pattern. The
    >missing component could be boundary conditions but I'm at a loss as to
    >how to define them. Any hints would be helpful.

    I guess the easiest and suitable for this situation would be to add a
    closed rectangular frame all around the geometry, with sufficiant distance
    for leakage fields, and set A=0 on this.

    Eckart

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