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Mechanics of deep water plunging-wave impacts on vertical structures
AbstractThe pressures resulting from a critical case of plunging-wave impact on a vertical wall are examined. A deep-water wave breaking condition, with the crest elevation about a fifth of the mean water depth, has been considered. Two distinct scales of the pressure time histories, a slowly varying (in the range of the wave period) component in the order of stagnation pressure and a transient impact component with much higher pressures, have been identified and correlated to the incident wave kinematics. It is found that impact pressures can be approximately decomposed into a primary component associated with the overall wave evolution and a component influenced by the trapped air dynamics. These characteristics are comparable to those observed in shallow water-wave impact studies. The loads at the zone of impact are also found to be comparable if the span of impact and the local incident wave kinematics are comparable.
Mechanics of deep water plunging-wave impacts on vertical structures
AbstractThe pressures resulting from a critical case of plunging-wave impact on a vertical wall are examined. A deep-water wave breaking condition, with the crest elevation about a fifth of the mean water depth, has been considered. Two distinct scales of the pressure time histories, a slowly varying (in the range of the wave period) component in the order of stagnation pressure and a transient impact component with much higher pressures, have been identified and correlated to the incident wave kinematics. It is found that impact pressures can be approximately decomposed into a primary component associated with the overall wave evolution and a component influenced by the trapped air dynamics. These characteristics are comparable to those observed in shallow water-wave impact studies. The loads at the zone of impact are also found to be comparable if the span of impact and the local incident wave kinematics are comparable.
Mechanics of deep water plunging-wave impacts on vertical structures
Chan, Eng-Soon (author)
Coastal Engineering ; 22 ; 115-133
1993-06-15
19 pages
Article (Journal)
Electronic Resource
English
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