WAVE FORCES ON VERTICAL PILES CAUSED BY 2- AND 3-DIMENSIONAL BREAKING WAVES | Zendy

Søren Peter Kjeldsen | Zendy; Alf Tørum | Zendy; Robert G. Dean | Zendy

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WAVE FORCES ON VERTICAL PILES CAUSED BY 2- AND 3-DIMENSIONAL BREAKING WAVES

Author(s) -

Søren Peter Kjeldsen,

Alf Tørum,

Robert G. Dean

Publication year - 1986

Publication title -

coastal engineering proceedings

Language(s) - English

Resource type - Journals

eISSN - 2156-1028

pISSN - 0589-087X

DOI - 10.9753/icce.v20.142

Subject(s) - breaking wave , superposition principle , mechanical wave , longitudinal wave , physics , mechanics , surface wave , transient (computer programming) , wave propagation , rogue wave , geology , optics , quantum mechanics , computer science , operating system , nonlinear system

The present study deals with analysis of results from a new experiment in which local wave forces on a vertical pile penetrating the free surface were measured, both in transient breaking waves and in 2- and 3-dimensional irregular seas, regular waves, and waves and uniform currents superposed. The performance of the entire experimental programme showed that extreme wave load intensities are associated with transient 2- or 3-dimensional breaking waves, of relatively short wave periods, and not with the highest waves in the simulated sea states. The total integrated in-line force and the total overturning moment caused by breaking waves exceeded the values measured in monochromatic regular waves by a factor of 3. Inception of wave breaking was caused by phase superposition, and occurred also for very low values of wave steepness s = 0.05.

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