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# Re: Triangle call unsuccessful

- To: femm@yahoogroups.com
- Subject: Re: Triangle call unsuccessful
- From: "irishmist_ <djtim@worldnet.att.net>" <djtim@worldnet.att.net>
- Date: Thu, 06 Feb 2003 13:29:13 -0000
- In-reply-to: <20030206082324.99344.qmail@web14912.mail.yahoo.com>
- User-agent: eGroups-EW/0.82

    Thanks for the comment Jiri. However, I think you missed my point.
    I am very aware of the angle issue Dave has mentioned. Here is the
    scenario... I am doing a DXF import... the tolerance dialog box
    comes up on the screen and I change it to some number, say E-10 and
    then try and run the mesher. I get the "Triangle can't run" message.

    Take same DXF file and import leaving the tolerance at the default
    value. Triangle runs without a problem.

    Identical geometry on import... one meshes --- one doesn't -- all
    because of the tolerance setting during the file import.

    Dan

    --- In femm@yahoogroups.com, Jiri Vecerka <vecerkaj@y...> wrote:
    > Dave wrote in past, that there is one reason for "mesh
    > is unsuccesful". It hapens when the angle of two lines
    > is too small (sharp angle). I suggest to look for that
    > and try to eliminate it.
    >
    > Jiri Vecerka
    >
    > --- "irishmist_ <djtim@w...>"
    > <djtim@w...> wrote:
    > > David,
    > >
    > > I was having problems meshing an assembly created
    > > from a DXF import.
    > > I have found another situation (unexpected) where
    > > Triangle will not
    > > mesh the geometry. If the tolerance value for the
    > > DXF import is made
    > > too small the resulting geometry will not mesh. (At
    > > least in my case)
    > >
    > > My particular case is a PM motor of unusual
    > > construction. (Very high
    > > pole count and slots) There are many arc segments
    > > and I am making an
    > > assumption that this is related to the problem. If
    > > I left the
    > > tolerance at the default the problem meshed just
    > > fine.
    > >
    > > BTW thanks for making this software available.
    > >
    > > Dan
    > >
    > >
    > >
    > >
    >
    >
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- Follow-Ups:
  - Re: Triangle call unsuccessful
    - From: "David Meeker <dmeeker@ieee.org>" <dmeeker@ieee.org>

- References:
  - Re: [femm] Triangle call unsuccessful
    - From: Jiri Vecerka <vecerkaj@yahoo.com>

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