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Forecasting Wave Attenuation Performance for Marinas

by Jack C. Cox, CH2M Hill, Bellevue, United States,
David P. Simpson, CH2M Hill, Bellevue, United States,



Document Type: Proceeding Paper

Part of: Coastal Engineering Considerations in Coastal Zone Management

Abstract:

A methodology is presented for interpreting the performance of a dynamically acting floating attenuator in a field of irregular waves. The analysis explains the physical significance of the mathematics associated with spectral wave phenomena. The performance of the attenuator is defined in terms of a response amplitude operator that determines the actual transmission characteristics of the system for any input spectrum. The resultant transmitted wave spectrum is then reconstituted into a field of waves to illustrate the physical implications of the spectrum in design. Synthetic storm conditions can then be fabricated to test a design under a variety of environments.

Subject Headings: Wave attenuation | Water waves | Wave spectrum | Storms | Forecasting | Ports and harbors | Irregular waves

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