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# PM design - Simulation results far from Prototype results....

- To: femm@yahoogroups.com
- Subject: PM design - Simulation results far from Prototype results....
- From: "tonyrouget" <tonyrouget@yahoo.com>
- Date: Mon, 23 Jun 2003 21:14:17 -0000
- User-agent: eGroups-EW/0.82

    Dear All,

    First of all, thanks David for your great software!!

    I have a quick question:

    Did anybody already experienced any problems to relate Femm
    simulation results with the real world??

    And if Yes, what could be the cause of the simulation error.???

    In other words, I have designed a loudspeaker motor assembly with
    Neodymium 35 and I was expecting 1.2 to 1.4T in the airgap.
    Confident of my design and simulation results I built a prototype and
    could only get 0.8T Maximum in my Airgap with the Gaussmeter..

    I am using 1018 Steel and Neo 35H. I've been inputing the tech specs
    of my magnet and editing a new model in my library..

    If you had already experienced simulation problems, please give me
    your input..

    Regards
    Tony

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