A Fully Explicit Wave-Vegetation Interaction Model and Its Application in Waves over a Floating Seaweed Farm

Zhilong Wei, Yanlin Shao*, Trygve Kristiansen, David Kristiansen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

A fully explicit coupled wave-vegetation interaction model has been developed to efficiently solve the coupled wave dynamics and flexible vegetation motion with large deflections. The flow model is formulated using the continuity equation and linearized momentum equations of an incompressible flow, with additional terms within the canopy region accounting for the presence of vegetation. A second-order unconditionally stable explicit scheme is developed to solve the linearized flow model. A truss-spring model is proposed to capture the vegetation motion with substantial deflections, allowing for explicit time integration with large time steps when dealing with highly compliant vegetation. The coupled model is first validated against experiments on the reconfiguration of an elastic blade in oscillatory flow and then employed to investigate wave propagation over a floating seaweed farm, demonstrating its efficiency and robustness in addressing wave-vegetation interaction problems.
Original languageEnglish
Title of host publicationProceedings of 39th International Workshop on Water Waves and Floating Bodies
Number of pages4
PublisherIWWWFB
Publication date2024
Publication statusPublished - 2024
EventThe 39th International Workshop on Water Waves and Floating Bodies - St. Andrews, United Kingdom
Duration: 14 Apr 202417 Apr 2024
https://sites.dundee.ac.uk/iwwwfb2024/

Conference

ConferenceThe 39th International Workshop on Water Waves and Floating Bodies
Country/TerritoryUnited Kingdom
CitySt. Andrews
Period14/04/202417/04/2024
Internet address

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