Dynamic Modeling, Simulation and Control of Energy Generation by Ranjan Vepa

Author:Ranjan Vepa
Language: eng
Format: epub
Publisher: Springer London, London

(4.13.2)

where is the constant frequency interval between discrete frequencies at which the spectrum is sampled.

A typical example of the sea-state spectrum is the Bretschneider (1963) (one-sided) ocean wave spectrum given by:

(4.13.3)

where is the frequency in radians per second, is the modal (most likely) frequency of any given wave, g is the local acceleration due to gravity, and is the significant wave height. Another typical example is the JONSWAP spectrum was developed to define the wave by Hasselman et al. (1973) for the Joint North Sea Wave Project. The formula is to be derived from the modified Pierson–Moskowitz spectrum formula. The Pierson–Moskowitz (1964) spectrum formula is

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