ENCOUNTER PROBABILITY OF INDIVIDUAL WAVE HEIGHT
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Keywords

wave height
encounter probability

How to Cite

Liu, Z., & Burcharth, H. F. (1998). ENCOUNTER PROBABILITY OF INDIVIDUAL WAVE HEIGHT. Coastal Engineering Proceedings, 1(26). https://doi.org/10.9753/icce.v26.%p

Abstract

Some coastal and offshore structures, e.g. offshore platforms and vertical wall breakwaters in deep water, are often designed according to a design individual wave height. The conventional method for the determination of the design individual wave height is first to obtain the design significant wave height corresponding to a certain exceedence probability within a structure lifetime (encounter probability), based on the statistical analysis of long-term extreme significant wave height. Then the design individual wave height is calculated as the expected maximum individual wave height associated with the design significant wave height, with the assumption that the individual wave heights follow the Rayleigh distribution. However, the exceedence probability of such a design individual wave height within the structure lifetime is unknown. The paper presents a method for the determination of the design individual wave height corresponding to an exceedence probability within the structure lifetime, given the long-term extreme significant wave height. The method can also be applied for estimation of the number of relatively large waves for fatigue analysis of constructions.
https://doi.org/10.9753/icce.v26.%25p
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