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Non-Gaussian Wave Groups Generated in an Offshore Wave Basin and Their Statistics

[+] Author Affiliations
Zhivelina Cherneva, C. Guedes Soares

Technical University of Lisbon, Lisboa, Portugal

Paper No. OMAE2011-50317, pp. 945-953; 9 pages
  • ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 2: Structures, Safety and Reliability
  • Rotterdam, The Netherlands, June 19–24, 2011
  • ISBN: 978-0-7918-4434-2
  • Copyright © 2011 by ASME


The main goal of this work is to investigate the wave groups using data from a deep water basin. Available data are for unidirectional waves measured at several fixed points situated in different distances from the wave maker. Previous works of many authors show that such series describe a process which differs significantly from the Gaussian one. Omitting the usual envelope definition by the Hilbert transform an upper and lower envelopes are introduced. Then the mean high run, mean group length and their distributions are found and compared with the theoretical results for Gaussian process.

Copyright © 2011 by ASME



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