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  • Contact problems of gears using Overhouser splines
    Ulaga, Samo ; Ulbin, Miran ; Flašker, Jože
    This paper presents a new finite element technique which provides more accurate contact stress predictions than other already established methods. A novel contact detection algorithm in the framework ... of the contact problem analysis with the finite element method using Overhouser splines is presented. Using this approach, the contcat area is approximated with Overhouser spline interpolation functions over boundary nodes, which results in smooth and accurate geometrical descriptions that are crucial to the contact stress analysis. The geometry is also completely decoupled from the finite element polynomial shape functions. A single parametric curve is used to model the contacting surface providing the ▫$C^1$▫ boundary continuity and exact boundary condition definition. In addition, the geometrical description using splines provides the data required for actual contact area determination and exact contact size calculation. The implementation of the proposed approach in the developed finite element code is presented. The benefits and the drawbacks of the proposed approach are discussd. The method is successfully used for the simulation of contact problems in gears.
    Vir: International journal of mechanical sciences. - ISSN 0020-7403 (41, št. 4-5, 1999, str. 385-395)
    Vrsta gradiva - članek, sestavni del
    Leto - 1999
    Jezik - angleški
    COBISS.SI-ID - 4211222

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