Computational Methods in Marine Engineering: Fluid-Structure Interaction Problems in Aquaculture

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Ocean Engineering".

Deadline for manuscript submissions: closed (1 December 2021) | Viewed by 2857

Special Issue Editors


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Guest Editor
School of Engineering, Institute for Energy Systems, University of Edinburgh, Edinburgh EH9 3DW, UK
Interests: hull hydrodynamics; hydrodynamics of marine energy harvesters; sail aerodynamics; vortex flow

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Guest Editor
Department of Naval Architecture, Ocean and Marine Engineering, The University of Strathclyde, Glasgow G4 0LZ, UK
Interests: offshore engineering; structural integrity; offshore renewables; fatigue and fracture mechanics; structural reliability
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Special Issue Information

Dear Colleagues,

This Special Issue is one of a series of Special Issues with invited papers from the 9th Conference on Computational Methods in Marine Engineering (Marine 2021), which was held online between the 2nd and 4th June 2021. The previous conferences of these series were held in Oslo (Norway) on 27–29 June, 2005; in Barcelona (Spain) on 5–7 June, 2007; in Trondheim (Norway) on 15–17 June, 2009; in Lisbon (Portugal) on 28–30 September, 2011; in Hamburg (Germany), on 29–31 May, 2013; in Rome (Italy), on 15–17 June, 2015; in Nantes (France) on 15–17 May, 2017; and in Goteborg (Sweden) on 13–15 May, 2019. The marine conference is one of the Thematic Conferences of the European Community on Computational Methods in Applied Sciences (ECCOMAS) and a Special Interest Conference of the International Association for Computational Mechanics (IACM). It is also supported by other scientific organizations in Europe and worldwide. The objective of Marine 2021 is to be a meeting place for researchers developing computational methods and scientists and engineers focusing on challenging applications in marine engineering. By marine engineering, we include applications within the maritime and offshore industry as well as scientific and engineering challenges related to the marine environment. The goal of the conference is to make a step forward in the formulation and computational solution of marine engineering problems accounting for all the complex couplings involved in the physical description of the problems.

This Special Issue focuses on fluid–structure interaction problems applied to the aquaculture industry. This is part of the wide range of conference topics, which include ship hydrodynamics, the structural analysis of marine structures, offshore structures, sea-pipe mechanics, advances in mechanical methods for marine engineering (new finite element, finite difference, finite volume and boundary element methods; particle methods; meshless methods, etc.), computational environmental mechanics in marine problems, algorithms for solving multidisciplinary problems in marine engineering, and marine engineering applications.

Marine 2021 is being co-organized by the Universities of Edinburgh and Strathclyde, together bringing a long heritage of marine and offshore engineering with naval architecture primarily applied to the energy and transport sectors. The marine economy in Scotland generates over GBP 5 billion in GVA, accounting for more than 4% of Scotland’s total economy, and employs more than seventy-five thousand people. The importance of the marine economy is set to increase dramatically with the development of offshore wind and marine renewable energy, not only in Scotland and Northern Europe but right across the world. This, coupled with a desire to reduce the carbon footprint of the marine transport sector as a result of the climate emergency, makes conferences such as Marine 2021 more important than ever.

Dr. Ignazio Maria Viola
Prof. Dr. Fergal Brennan
Guest Editors

Manuscript Submission Information

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Keywords

  • Fluid–structure interaction
  • Waves
  • Computational methods
  • Aquacultures

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Published Papers (1 paper)

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Research

11 pages, 948 KiB  
Article
Modelling Open Ocean Aquaculture Structures Using CFD and a Simulation-Based Screen Force Model
by Tobias Martin, Arun Kamath, Gang Wang and Hans Bihs
J. Mar. Sci. Eng. 2022, 10(3), 332; https://doi.org/10.3390/jmse10030332 - 27 Feb 2022
Cited by 3 | Viewed by 2379
Abstract
The numerical framework of the open source CFD solver REEF3D is utilised to study the fluid–structure interaction of an open ocean aquaculture system and waves. The presence of the net is considered in the momentum equations of the fluid using a forcing term [...] Read more.
The numerical framework of the open source CFD solver REEF3D is utilised to study the fluid–structure interaction of an open ocean aquaculture system and waves. The presence of the net is considered in the momentum equations of the fluid using a forcing term based on Lagrangian–Eulerian coupling and the hydrodynamic loads on the net. They are defined semi-empirically using a screen force model. Here, the hydrodynamic force coefficients are calculated from the net geometry and fluid velocity. The necessary force coefficients are predicted from a new simulation-based screen force model. Here, CFD simulations are performed to obtain the hydrodynamic loads on net panels for varying net geometries, angles of attack and velocities. Then, a Kriging metamodel is applied to fit a polynomial to the data. The proposed net model is validated against measurements for waves and current through rigid net panels and applied to simulate the dynamics of an open ocean aquaculture cage in waves. In current, the model predicts the drag forces and velocity reduction within a 10% error band, whereas it tends to under-predict the lift forces by up to 20%. In waves, the model tends to over-predict the crests with increasing wave height, but the deviations are also within a 10% error band. Full article
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