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    Incipient Motion of Breakwater Armor Units

    New search for: Melby, J. A.
    New search for: Kobayashi, N.

    This paper describes observations made of incipient motion on both stone and sphere armor layers. Velocity measurements were made during these experiments both inside and just outside the armor layer. It is shown that the vertical convective acceleration across the armor layer is proportional to the square of the vertical velocity. An incipient lifting motion criterion is derived based on Morison forcing for the dominant mode of motion: vertical lift under the steep breaking-wave face. The experimental observations and measurements are used to validate the incipient motion criterion for breakwater armor.

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    Incipient Motion of Breakwater Armor Units

    New search for: Melby, J. A.
    New search for: Kobayashi, N.

    This paper describes observations made of incipient motion on both stone and sphere armor layers. Velocity measurements were made during these experiments both inside and just outside the armor layer. It is shown that the vertical convective acceleration across the armor layer is proportional to the square of the vertical velocity. An incipient lifting motion criterion is derived based on Morison forcing for the dominant mode of motion: vertical lift under the steep breaking-wave face. The experimental observations and measurements are used to validate the incipient motion criterion for breakwater armor.

    Access

    Check access
    Check availability in my library
    Order at Subito €

    Incipient Motion of Breakwater Armor Units

    New search for: Melby, J. A.
    New search for: Kobayashi, N.

    This paper describes observations made of incipient motion on both stone and sphere armor layers. Velocity measurements were made during these experiments both inside and just outside the armor layer. It is shown that the vertical convective acceleration across the armor layer is proportional to the square of the vertical velocity. An incipient lifting motion criterion is derived based on Morison forcing for the dominant mode of motion: vertical lift under the steep breaking-wave face. The experimental observations and measurements are used to validate the incipient motion criterion for breakwater armor.

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    Title:

    Incipient Motion of Breakwater Armor Units

    Contributors:

    Melby, J. A. (author) / Kobayashi, N. (author)

    Conference:

    25th International Conference on Coastal Engineering ; 1996 ; Orlando, Florida, United States

    Published in:

    Coastal Engineering 1996 ; 1803-1815

    Publication date:

    1997-08-05

    ISBN:

    978-0-7844-7951-3 , 9780784402429

    DOI:

    https://doi.org/10.1061/9780784402429.140

    Type of media:

    Conference paper

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Breaking waves , Stability , Velocity , Coastal engineering , Sediment transport , Breakwaters , Motion , Case studies , Armor units , Coastal structures , Long waves

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