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# Re: [femm] How is 5 Tesla possible?

- To: femm@yahoogroups.com
- Subject: Re: [femm] How is 5 Tesla possible?
- From: Keith Gregory <k.gregory@lboro.ac.uk>
- Date: Mon, 13 Jan 2003 14:11:50 +0000
- In-reply-to: <004501c2bad4$8e866280$6c7b5142@robertmacy>
- References: <avn680+1sbr@eGroups.com> <3E1F3465.4050201@ieee.org>

`Robert,`
`Harmonic problems (i.e. where frequency is not zero) are solved linearly by FEMM, it doesn't include saturation so any value of B can be achieved. Dave has recently produced a development version which can deal with non-linear problems, which is (I think) currently version 3.3alpha2.`

    http://femm.berlios.de/femm33src.zip
    http://femm.berlios.de/femm33bin.exe

`Try that.`
`Keith.`
`At 23:22 12/01/2003 -0800, you wrote:`

> `Apologize for the stupidity here, but...`
> `How is 5 Tesla possible? in mumetal that saturates at 0.6T?`

>     While doing a simple analysis using mumetal I found that at 100KHz the
>     material displayed the expected skin depth effects, but the |B| magnitude
>     fields were more than 5 teslas.

> `How is this possible?`
> `- Robert -`
> ``
> ``
> ``
> `Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/`

    Dr. Keith Gregory
    Senior Lecturer
    Department of Electronic & Electrical Engineering
    Loughborough University
    Loughborough
    Leicestershire
    LE11 3TU
    UK

    Phone: +44 (0) 1509 227025 Fax: +44 (0) 1509 227014
    Department web: http://www.lboro.ac.uk/departments/el/

``

- Follow-Ups:
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- References:
  - Alnico 8 relative permeability
    - From: "sloothrog <salvarsan@std.com>" <salvarsan@std.com>
  - Re: [femm] Alnico 8 relative permeability
    - From: David Meeker <dmeeker@ieee.org>
  - How is 5 Tesla possible?
    - From: "Robert Macy" <macy@california.com>

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