Coupling and reduction of the HAWC equations

E. Nim

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    Abstract

    This report contains a description of a general method for coupling and reduction of the so-called HAWC equations, which constitute the basis equations of motion of the aeroelastic model HAWC used widely by research institutes and industrial companies formore than the ten years. The principal aim of the work has been to enable the modelling wind turbines with large displacements of the blades in order to predict phenomena caused by geometric non-linear effects. However, the method can also be applied tomodel the nacelle/shaft structure of a turbine more detailed than the present HAWC model. In addition, the method enables the reduction of the number of degrees of freedom of the structure in order to increase the calculation efficiency and improve thecondition of the system.
    Original languageEnglish
    Number of pages58
    ISBN (Print)87-550-2944-2
    Publication statusPublished - 2001
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number1294(EN)
    ISSN0106-2840

    Keywords

    • Risø-R-1294
    • Risø-R-1294(EN)

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