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# problem with convergence

- To: femm@yahoogroups.com
- Subject: problem with convergence
- From: giovanni.bortolan@sogagroup.com
- Date: Thu, 9 May 2002 10:21:55 +0200

    Hi David,

    I have a problem with the attached file: no solution can be found.
    This model tries to solve a highly saturated lamination.
    Note that I have changed the material specifications adding some points up
    to B=3.0T (that should be never reached).
    As far as I know the points that I have added should give a smooth
    monotonic function (verified in femmplot and in excel diagram)
    In case the problem was spline interpolation, why not to add a lower degree
    interpolation as an option? I had the same problem with the function "fit"
    in gnucap and order=3 for interpolating functions. The problem disappeared
    with order 1 or 2.

    Bye

    P.S. did you see my message dated 29 January? I have seen no comment about
    it

    (See attached file: no-convergence.fem)
    _______________________________
    ing. G.Bortolan

    Sincro srl
    via Tezze, 3 loc. Cereda
    36073 Cornedo Vicentino (VI)
    Tel: (++39) 0445 450 500
    Fax: (++39) 0445 446 222
    e-mail: Giovanni.Bortolan@sogagroup.com
    tecnico.sincro@sogagroup.com

    REA 194515/VI
    Reg. Imp. 20968/VI 116
    P.IVA 01925820241

Attachment: `no-convergence.fem`
Description: Binary data

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