A structural design of the underwater observation tower constructed at wave breaking zone was studied in this research. Though the under water observation tower seems to be a rotational shell structure from its shape, actually, the rigid frame of beams and ribs exits inside wall, in which the frames are covered with curved plate element firmly against seawater pressure. Assuming that the observation tower was a pseudo-cylindrical shell, two results through our conducted research were applied for a practical structural analysis of the underwater observation tower. One is the unique and simple formula on added mass depending on elastic vibration, the other is transformation of total breaking wave forces into the wave pressure distribution over the surface of the observation tower. Using those results, the structural characteristic concerning displacement of the under water observation tower was examined through our own results.
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25th International Conference on Offshore Mechanics and Arctic Engineering
June 4–9, 2006
Hamburg, Germany
Conference Sponsors:
- Ocean, Offshore, and Arctic Engineering Division
ISBN:
0-7918-4746-2
PROCEEDINGS PAPER
A Structural Analytical Method of Underwater Observation Tower Due to Breaking Wave Forces
Hiroaki Eto
Hiroaki Eto
RIKEN, Saitama, Japan
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Osamu Saijo
Nihon University, Chiba, Japan
Hiroaki Eto
RIKEN, Saitama, Japan
Paper No:
OMAE2006-92219, pp. 227-234; 8 pages
Published Online:
October 2, 2008
Citation
Saijo, O, & Eto, H. "A Structural Analytical Method of Underwater Observation Tower Due to Breaking Wave Forces." Proceedings of the 25th International Conference on Offshore Mechanics and Arctic Engineering. Volume 1: Offshore Technology; Offshore Wind Energy; Ocean Research Technology; LNG Specialty Symposium. Hamburg, Germany. June 4–9, 2006. pp. 227-234. ASME. https://doi.org/10.1115/OMAE2006-92219
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