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# Re: [femm] Force calculation on an axisymmetric model

- To: femm@egroups.com
- Subject: Re: [femm] Force calculation on an axisymmetric model
- From: Agnaldo Souza Pereira <agnaldo@if.ufrj.br>
- Date: Mon, 9 Oct 2000 12:08:30 -0200
- In-reply-to: <39E1CDE2.2B958851@foster-miller.com>
- References: <3.0.5.32.20000929182911.00881400@sun.isec.pt> <3.0.5.32.20001006164352.008e5220@sun.isec.pt> <39DE046F.E1F4051D@foster-miller.com> <200010061834.QAA19402@if.ufrj.br> <39E1CDE2.2B958851@foster-miller.com>
- Reply-to: agnaldo@if.ufrj.br
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    The greater forces arised from femm calculations, with
    a greater number of nodes.

    > Again, I'd guess that the difference arises solely
    from coarser the mesh
    > density in the quickfield solution.
    >
    > At any rate a good way to get an idea of how many
    digits you can believe in
    > either a femm or quickfield force computation is to
    integrate the stress on
    > different contours around the part that you are
    interested in. In an exact
    > solution, the results should be identical. However,
    the results from a
    > finite element solution, which is only approximate,
    will be slightly
    > different. The differences between contours give you
    an idea of the order
    > of the error in the calculations.
    >
    > Dave.
    >
    >
    > -------------------------- eGroups Sponsor
    >
    >
    >

- Follow-Ups:
  - Re: [femm] Force calculation on an axisymmetric model
    - From: Dave Squires <djsquires@plix.com>
  - Re: [femm] Force calculation on an axisymmetric model
    - From: David Meeker <dmeeker@foster-miller.com>

- References:
  - Force calculation on an axisymmetric model
    - From: Paulo José Gameiro Pereirinha <ppereiri@sun.isec.pt>
  - Re: [femm] Re: Force calculation on an axisymmetric model
    - From: Paulo José Gameiro Pereirinha <ppereiri@sun.isec.pt>
  - Re: [femm] Re: Force calculation on an axisymmetric model
    - From: David Meeker <dmeeker@foster-miller.com>
  - Re: [femm] Re: Force calculation on an axisymmetric model
    - From: Agnaldo Souza Pereira <agnaldo@if.ufrj.br>
  - Re: [femm] Force calculation on an axisymmetric model
    - From: David Meeker <dmeeker@foster-miller.com>

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