Measurement of water surface elevation using Moire techniques

I. Grant, I. Padilla, N. Stewart

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Wave interaction between the components of oil rigs composed of large diameter members is of considerable practical importance. An optical method is described to identify the modification of the incident wave within the well of large diameter blocked structures arising from interaction effects. The paper describes Moire techniques to obtain immediate three dimensional records of the so-called upwelling phenomenon. This optical method combined with image processing techniques can be strobed so that the behaviour of the sea can be described as a series of images of wave elevation to be obtained with a contour interval of some millimeters. Results are presented to demonstrate the efficiency of the method. This method is developed for application to problems involving floating structures design such as tension leg platforms, etc.

    Original languageEnglish
    Title of host publicationProceedings of the International Offshore Mechanics and Arctic Engineering Symposium
    Pages547-552
    Number of pages6
    Volume2
    Publication statusPublished - 1989
    EventEighth International Conference on Offshore Mechanics and Arctic Engineering - Hague, Netherlands
    Duration: 19 Mar 198923 Mar 1989

    Conference

    ConferenceEighth International Conference on Offshore Mechanics and Arctic Engineering
    CountryNetherlands
    CityHague
    Period19/03/8923/03/89

    Fingerprint

    optical method
    surface water
    floating structure
    tension leg platform
    image processing
    upwelling
    oil
    method
    sea
    effect

    Cite this

    Grant, I., Padilla, I., & Stewart, N. (1989). Measurement of water surface elevation using Moire techniques. In Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium (Vol. 2, pp. 547-552)
    Grant, I. ; Padilla, I. ; Stewart, N. / Measurement of water surface elevation using Moire techniques. Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium. Vol. 2 1989. pp. 547-552
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    author = "I. Grant and I. Padilla and N. Stewart",
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    Grant, I, Padilla, I & Stewart, N 1989, Measurement of water surface elevation using Moire techniques. in Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium. vol. 2, pp. 547-552, Eighth International Conference on Offshore Mechanics and Arctic Engineering, Hague, Netherlands, 19/03/89.

    Measurement of water surface elevation using Moire techniques. / Grant, I.; Padilla, I.; Stewart, N.

    Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium. Vol. 2 1989. p. 547-552.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    N2 - Wave interaction between the components of oil rigs composed of large diameter members is of considerable practical importance. An optical method is described to identify the modification of the incident wave within the well of large diameter blocked structures arising from interaction effects. The paper describes Moire techniques to obtain immediate three dimensional records of the so-called upwelling phenomenon. This optical method combined with image processing techniques can be strobed so that the behaviour of the sea can be described as a series of images of wave elevation to be obtained with a contour interval of some millimeters. Results are presented to demonstrate the efficiency of the method. This method is developed for application to problems involving floating structures design such as tension leg platforms, etc.

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    BT - Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium

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    Grant I, Padilla I, Stewart N. Measurement of water surface elevation using Moire techniques. In Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium. Vol. 2. 1989. p. 547-552