As the offshore industry moves into deeper waters, the need for a combined use of numerical and experimental tools becomes more acute. This raises the problem of producing relatable, if not identical, wave systems in both tanks. Some results from a French research project on this topic are given. Emphasis is put on the spurious long waves that appear when the wavemaker is switched on and off. A simple theoretical model is proposed and validated through comparisons with results from experiments and from a second-order numerical wavetank. A new type of beach is proposed, consisting in a quasi-horizontal, perforated plate, below the free surface. The performance of such beaches is analyzed through calculations and model testing.


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    Title :

    Numerical and physical wavetanks: Making them fit


    Additional title:

    Das gegenseitige Anpassen von numerischen und eigentlichen Seegangstanks


    Contributors:
    Molin, B. (author)

    Published in:

    Publication date :

    2001


    Size :

    21 Seiten, 15 Bilder, 25 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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