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# Re: [femm] Femm and Helmotz equation

- To: femm@yahoogroups.com
- Subject: Re: [femm] Femm and Helmotz equation
- From: David Meeker <dmeeker@foster-miller.com>
- Date: Tue, 03 Jul 2001 15:44:10 -0400
- Organization: Foster-Miller, Inc.
- References: <9hs6jp+s4m1@eGroups.com>

    emiliano.menghi@inwind.it wrote:

    > Can i use Femm to solve the Helmotz equation? If not, how can i
    > modify (if i can) FEMM to solve this equation?
    >
    > Thanks
    >
    > Menghi Emiliano

    No, femm doesn't solve the Helmholtz equation. The program solves
    magnetostatic problems (Poisson equation) and low frequency eddy current
    problem (diffusion equation). Some parts of femm could be used in a
    high-frequency code (complex symmetric matrix solver, triangle, etc.), but
    the program would have to be modified pretty extensively (i.e. a
    different formuation in the solver for these problems, different kinds of
    results are of interest in the postprocessor) to be able to solve
    high-frequency problems.

    Dave.

    begin:vcard
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    tel;work:781-684-4070
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    org:Foster-Miller, Inc.;Electrical and Electronic Systems Group
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    title:Senior Engineer
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    fn:David Meeker, Ph.D.
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- References:
  - Femm and Helmotz equation
    - From: emiliano.menghi@inwind.it

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