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Experimental and Numerical Investigation of Flow–Structure Interactions in Hydraulic, Coastal, and Ocean Engineering

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Oceans".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 656

Special Issue Editors

College of Civil Engineering, Hunan University, Changsha, China
Interests: fluid mechanics; bridge hydraulics; wave hydrodynamics; sediment scour; CFD modeling; flow field mechanism; computer-vision measurement; intelligent computation; AI for science/engineering; flood hazard
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Guest Editor
School of Civil Engineering, Central South University, Changsha, China
Interests: bridge hydraulics; wave hydrodynamics; sediment transport; scour protection; fluid-structure interaction; CFD modeling

Special Issue Information

Dear Colleagues,

This Special Issue focuses on advancing research into flow–structure interaction (FSI) phenomena in hydraulic, coastal, and ocean environments. The scope spans experimental, numerical, and hybrid methodologies to address challenges in fluid dynamics, structural resilience, and multiphysics modeling. Key topics include (1) wave–structure interactions, (2) sediment transport, (3) offshore/coastal infrastructure performance, and (4) extreme event impacts (e.g., storms, tsunamis). The purpose of this Special Issue is to foster interdisciplinary collaboration, bridge gaps between laboratory-scale experiments and field-scale simulations and promote sustainable engineering solutions for fluid-driven systems. While prior studies have often used experimental or numerical approaches individually, this Issue emphasizes their integration to enhance predictive accuracy and practical applicability. It contributes to the literature by addressing multiscale FSI complexities in real-world scenarios, particularly under climate change stressors. Contributions will supplement existing knowledge by introducing novel sustainability-driven frameworks, such as eco-friendly materials, energy-efficient designs, and adaptive coastal protection strategies. Aligned with global sustainability goals, this Issue prioritizes FSI research that quantifies environmental impacts, optimizes renewable energy systems (e.g., tidal turbines), and enhances climate resilience. By linking hydrodynamic analyses to socio-economic metrics—such as cost–benefit assessments of nature-based solutions or policy-guided coastal management—this Issue advances tools for measuring and monitoring sustainability. It also highlights regulatory and technological innovations to balance ecological preservation with infrastructural demands, supporting integrated approaches to sustainable development in aquatic environments.

Dr. Jinzhao Li
Dr. Yilin Yang
Guest Editors

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Keywords

  • flow-structure interaction
  • bridge hydraulics
  • wave hydrodynamics
  • flow field
  • bridge scour
  • soil mechanics
  • CFD modeling
  • numerical simulation
  • flume experiment
  • flow measurement

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Published Papers (1 paper)

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Research

23 pages, 3326 KB  
Article
Hydrodynamic Numerical Study of Regular Wave and Mooring Hinged Multi-Module Offshore Floating Photovoltaic Platforms
by Ruijia Jin, Bo Liu, Xueqing Gu and Ming He
Sustainability 2025, 17(18), 8501; https://doi.org/10.3390/su17188501 - 22 Sep 2025
Viewed by 502
Abstract
The floating photovoltaic (FPV) power generation technology in water has made up for some of the shortcomings of traditional inland photovoltaics and has developed rapidly in the past decade, enabling truly sustainable solar energy exploitation. Multi-module hinged offshore floating photovoltaics (OFPV) are widely [...] Read more.
The floating photovoltaic (FPV) power generation technology in water has made up for some of the shortcomings of traditional inland photovoltaics and has developed rapidly in the past decade, enabling truly sustainable solar energy exploitation. Multi-module hinged offshore floating photovoltaics (OFPV) are widely used in the sea. However, how to ensure the survival of OFPVs in extreme natural environments is the biggest challenge for the implementation of the project in the future. The focus of this paper is the hydrodynamic problems that multi-module OFPV structures may encounter under regular waves. The effects of column spacing and heave plates were analyzed for a single FPV platform in order to obtain the ideal single module. Furthermore, the motion responses and inter-module forces of each module are calculated within the overall OFPV system under regular waves to investigate the overall hydrodynamic characteristics. Qualitative and quantitative comparisons between single and multi-modules are made for a deep understanding of this structure to ensure its sustainability. The corresponding conclusions can provide scientific references for multi-module OFPVs and the sustainable utilization of energy. Full article
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