Development of Detached Breakwater Design Criteria Using a Shoreline Response Model

by Julie Dean Rosati, Coastal Engineering Research Cent, Vicksburg, United States,
Mark B. Gravens, Coastal Engineering Research Cent, Vicksburg, United States,
Monica A. Chasten, Coastal Engineering Research Cent, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Coastal Engineering Practice

Abstract:

An evaluation of beach response to detached breakwaters was conducted using the numerical shoreline response model GENESIS. Functional design parameters such as structure length, gap distance, wave breaker height, wave period, depth at structure, and structure transmission were varied to develop a series of design nomographs for predicting morphological response. This type of design tool is intended for determining preliminary, feasibility-level project specifications. More detailed evaluations of candidate designs using a prototype test, and/or numerical/physical models with site-specific parameters are required to determine final project specifications. This paper discusses the study methodology and presents preliminary breakwater design nomographs.

Subject Headings: Numerical models | Coastal protection structures | Breakwaters | Mathematical models | Shoreline protection | Hydrologic models | Wave height

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