Simplifying high-order mesh generation for computational scientists

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Title: Simplifying high-order mesh generation for computational scientists
Authors: Cohen, J
Marcon, J
Turner, M
Cantwell, C
Sherwin, SJ
Peiro, J
Moxey, D
Item Type: Conference Paper
Abstract: Computational modelling is now tightly integrated into many fields of research in science and industry. Computational fluid dynamics software, for example, gives engineers the ability to model fluid flow around complex geometries defined in Computer-Aided Design (CAD) packages, without the expense of constructing large wind tunnel experiments. However, such modelling requires translation from an initial CAD geometry to a mesh of many small elements that modelling software uses to represent the approximate solution in the numerical method. Generating sufficiently high-quality meshes for simulation is a time-consuming, iterative and error-prone process that is often complicated by the need to interact with multiple command-line tools to generate and visualise the mesh data. In this paper we describe our approach to overcoming this complexity through the addition of a meshing console to Nekkloud, a science gateway for simplifying access to the functionality of the Nektar++ spectral/hp element framework. The meshing console makes use of the NekMesh tool in Nektar++ to help reduce the complexity of the mesh generation process. It offers a web-based interface for specifying parameters, undertaking meshing and visualising results. The meshing console enables Nekkloud to offer support for a full, end-to-end simulation pipeline from initial CAD geometry to simulation results.
Issue Date: 13-Jun-2018
Date of Acceptance: 18-Apr-2018
URI: http://hdl.handle.net/10044/1/66084
ISSN: 1613-0073
Publisher: CEUR Workshop Proceedings
Journal / Book Title: CEUR Workshop Proceedings
Copyright Statement: © 2018 The Author(s)
Sponsor/Funder: Commission of the European Communities
Funder's Grant Number: 675585
Conference Name: 10th International Workshop on Science Gateways
Keywords: science gateway
high-order
mesh generation
finite element method
reproducibility
Publication Status: Accepted
Start Date: 2018-06-13
Finish Date: 2018-06-15
Conference Place: Edinburgh, Scotland
Appears in Collections:Faculty of Engineering
Aeronautics



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