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# Re: [femm] Superconductor model

- To: femm@yahoogroups.com
- Subject: Re: [femm] Superconductor model
- From: Agnaldo Souza Pereira <agnaldo@if.ufrj.br>
- Date: Thu, 10 May 2001 12:46:26 -0300
- In-reply-to: <9d98sk+kn65@eGroups.com>
- References: <9d98sk+kn65@eGroups.com>
- Reply-to: agnaldo@if.ufrj.br
- Sender: agnaldo@if.ufrj.br
- User-agent: IMP/PHP3 Imap webMail Program 2.0.11

    Vencislav,
    I am a brazilian physicist and my MSc and DSc thesis
    deal with the subject of simulating superconductors with
    a finite elemnt program.
    Someone have said that you could simulate a type I
    superconductor by assigning a very low permeability to
    your material. That's true, something round 0.0001 works
    well.
    But you can also simulate a type II superconductor:
    I have developed a technique to calculate the B(H)curve
    for a type II superconductor. If you can read
    portuguese, I can send you a owrk that I have done
    tthree yers ago. If don't I can make a summary in
    english and send it later.
    Anyway, you have below some refernces of papers I have
    published using this technique:
    IEEE Transactions on Magnetics, volume. 36, no 5 , pag
    3693, setembro de 2000.
    "Hybrid Bearing for Induction Machine with Controlled
    Electromagnetic Positioning and Superconducting
    Levitation"
    R. Nicolsky, A. S. Pereira, D. F. B. David, J. A.
    Santisteban, R. M.
    Stephan, A. Ripper, e R. de Andrade Jr.,

    Physica C volume 341-348,pag 2509, dezembro de 2000.
    "Development of hybrid bearing system with thrust
    superconducting magnetic bearing and radial active
    eletromagnetic bearing"
    R. Nicolsky, A. S. Pereira, R. de Andrade Jr., D. F. B.
    David, J. A.
    Santisteban, R. M. Stephan, A. Ripper, W. Gawalek, T.
    Habisreuther, e T. Strasser.

    IEEE Transactions on Applied Superconductivity 9,
    964-967 junho de 1999.
    "Superconducting Axial Bearing for Induction Machines
    with Active Radial Magnetic Bearing"
    R. Nicolsky, Y. Gorelov, A. S. Pereira, D. F. B. David,
    A. Santisteban,
    R. M. Stephan, A. Ripper, R de Andrade Jr., W. Gawalek,
    T. Habisreuther, e T. Strasser.

    > Hello,
    >
    > this is my first question in this group:
    >
    > how do I make a model of superconductor in femm?
    >
    > I'm trying to see how will magnetic field behave
    > when there is superconductor, since we know that
    > superconductors do not let magnetic field lines
    > go through it.
    >
    >
    >
    >
    >
    >
    > Your use of Yahoo! Groups is subject to
    http://docs.yahoo.com/info/terms/
    >
    >

- References:
  - Superconductor model
    - From: "Vencislav" <vencib@yahoo.com>

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