A Comparative Study of the Hydrodynamic Performance of Floating Breakwaters with F-Shaped and Rectangular Cross-Sections
Year: 2025
Type: article
Abstract: With the expanding utilization of marine resources and the growing volume of maritime transportation, floating breakwaters have gained significant attention as efficient alternatives to conventional fixed structures, due to advantages such as mobility, reduced construction and installation costs, and minimized environmental impacts.Hydrodynamic modeling of these structures is typically conducted in both twodimensional and three-dimensional frameworks.While two-dimensional models offer faster computations but are limited in applicability, three-dimensional models-despite their higher computational demand-enable a more comprehensive and accurate assessment of complex wave-structure interactions.In this study, a three-dimensional hydrodynamic model was developed to compare the performance of floating breakwaters with F-shaped and rectangular cross-sections under a range of geometric and hydrodynamic conditions.Simulations were performed in both frequency and time domains, focusing on key parameters including draft depth, structure length, and wave frequency.Fundamental hydrodynamic coefficients, namely added mass and radiation damping, were computed, and their influence on the response amplitude operator (RAO) was examined.The findings reveal that the F-shaped configuration, within specific frequency ranges-particularly for heave and pitch motions-demonstrates superior capability in reducing motion amplitudes and dissipating wave energy, whereas the rectangular configuration delivers more stable and uniform performance over a broader spectrum of wave conditions.Parametric analyses further highlight that cross-sectional geometry not only governs hydrodynamic efficiency but also shapes environmental impacts related to flow patterns and sediment transport.These results provide actionable insights for the design and optimization of high-performance, environmentally sustainable floating breakwaters.
Source: Marine Engineering
Language: Persian
Topic: Coastal and Marine Dynamics
Subfield: Earth-Surface Processes
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W7204123642