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# Model for coercive force of magnet

- To: femm@yahoogroups.com
- Subject: Model for coercive force of magnet
- Date: Sun, 12 Aug 2001 14:12:26 EDT

    As there was a few questions recently regarding magnet modeling I hope
    attachment could help people interesting in this area. This approach I have
    found at other fem site. I did not try to model it with David's program but
    acc. to pg. 56 you should be able to simulate coercive force.

    At the end I would like to introduce myself to the Group. My expertise is in
    design of large power transformers. For more than 10 years I am using FEM
    software's in electrostatic problems. In last 3 years I am using FEM in
    simulating leakage field and estimation of hot spot temperatures in
    transformer core frames and other structural parts. Recently I have done
    simulation of 220 MVA, auto transformer with in-house software and with David
    program. I did get very encouraging results with femm3.0.

    I could not have believe that I can now have program like this for free and
    my company spend quit a few millions to develop in-house software.
    Additionally you certainly have the best site to discuss about magnetics.

    Many thanks to David and best regards to all.

    Stephan.

    [Moderator's Note: I changed the attached document from a Word doc to pdf]

    --part1_2b.19ac1bd4.28a8210a_alt_boundary
    Content-Type: text/html; charset="US-ASCII"
    Content-Transfer-Encoding: 7bit

    <HTML><FONT FACE=arial,helvetica><FONT SIZE=2>As there was a few questions recently regarding magnet modeling I hope
    <BR>attachment could help people interesting in this area. This approach I have
    <BR>found at other fem site. I did not try to model it with David's program but
    <BR>acc. to pg. 56 you should be able to simulate coercive force.
    <BR>
    <BR>At the end I would like to introduce myself to the Group. My expertise is in
    <BR>design of large power transformers. For more than 10 years I am using FEM
    <BR>software's in electrostatic problems. In last 3 years I am using FEM in
    <BR>simulating leakage field and estimation of hot spot temperatures in
    <BR>transformer core frames and other structural parts. Recently I have done
    <BR>simulation of 220 MVA, auto transformer with in-house software and with David
    <BR>program. I did get very encouraging results with femm3.0.
    <BR>
    <BR>I could not have believe that I can now have program like this for free and
    <BR>my company spend  quit a few millions to develop in-house software.
    <BR>Additionally you certainly have the best site to discuss about magnetics.
    <BR>
    <BR>Many thanks to David and best regards to all.
    <BR>
    <BR>Stephan.
    <BR>
    [Moderator's Note: I changed the attached document from a Word doc to pdf]
    <BR>
    <BR></FONT></HTML>

    --part1_2b.19ac1bd4.28a8210a_alt_boundary--

Attachment: `magnet1.pdf`
Description: Adobe PDF document

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