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Efficient unstructured mesh generation for marine renewable energy applications

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Title: Efficient unstructured mesh generation for marine renewable energy applications
Authors: Avdis, A
Candy, AS
Hill, J
Kramer, SC
Piggott, MD
Item Type: Journal Article
Abstract: Renewable energy is the cornerstone of preventing dangerous climate change whilst maintaining a robust energy supply. Tidal energy will arguably play a critical role in the renewable energy portfolio as it is both predictable and reliable, and can be put in place across the globe. However, installation may impact the local and regional ecology via changes in tidal dynamics, sediment transport pathways or bathymetric changes. In order to mitigate these effects, tidal energy devices need to be modelled in order to predict hydrodynamic changes. Robust mesh generation is a fundamental component required for developing simulations with high accuracy. However, mesh generation for coastal domains can be an elaborate procedure. Here, we describe an approach combining mesh generators with Geographical Information Systems. We demonstrate robustness and efficiency by constructing a mesh with which to examine the potential environmental impact of a tidal turbine farm installation in the Orkney Islands. The mesh is then used with two well-validated ocean models, to compare their flow predictions with and without a turbine array. The results demonstrate that it is possible to create an easy-to-use tool to generate high-quality meshes for combined coastal engineering, here tidal turbines, and coastal ocean simulations.
Issue Date: 19-Sep-2017
Date of Acceptance: 16-Sep-2017
URI: http://hdl.handle.net/10044/1/50884
DOI: https://dx.doi.org/10.1016/j.renene.2017.09.058
ISSN: 0960-1481
Publisher: Elsevier
Start Page: 842
End Page: 856
Journal / Book Title: Renewable Energy
Volume: 116
Issue: Part A
Copyright Statement: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (EPSRC)
Funder's Grant Number: EP/L000407/1
EP/J010065/1
EP/M011054/1
Keywords: 0906 Electrical And Electronic Engineering
0913 Mechanical Engineering
Energy
Publication Status: Published
Appears in Collections:Faculty of Engineering
Earth Science and Engineering
Centre for Environmental Policy
Faculty of Natural Sciences



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