McBride, Diane, Croft, Nick and Cross, Mark (2003) Combined vertex-based - cell-centred finite volume method for flows in complex geometries. In: The 3rd International Conference on CFD in the Minerals and Process Industries [Proceedings]. CSIRO Publishing, Collingwood, Victoria, Australia, pp. 351-356. ISBN 978064309038X

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Abstract

CFD modelling of 'real-life' processes often requires solutions in complex three dimensional geometries, which can often result in meshes where aspects of it are badly distorted. Cell-centred finite volume methods, typical of most commercial CFD tools, are computationally efficient, but can lead to convergence problems on meshes which feature cells with high non-orthogonal shapes. The vertex-based finite volume method handles distorted meshes with relative ease, but is computationally expensive. A combined vertex-based - cell-centred (VB-CC) technique, detailed in this paper, allows solutions on distorted meshes that defeat purely cell-centred physical models to be employed in the solution of other transported quantities. The VB-CC method is validated with benchmark solutions for thermally driven flow and turbulent flow. An early application of this hybrid technique is to three-dimensional flow over an aircraft wing, although it is planned to use it in a wide variety of processing applications in the future.

Item Type:	Conference Proceedings
Title of Proceedings:	The 3rd International Conference on CFD in the Minerals and Process Industries [Proceedings]
Additional Information:	[1] This paper was first presented at the 3rd International Conference on CFD in the Minerals and Process Industries held from 10-12 December 2003 in Melbourne, Australia. [2] ISBN: 978064309038X (CD-ROM)
Uncontrolled Keywords:	computational fluid dynamics, (CFD), vertex-based - cell-centred, (VB-CC), cell-centred, (CC)
Subjects:	Q Science > QA Mathematics > QA76 Computer software T Technology > TJ Mechanical engineering and machinery
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group
Related URLs:	Publisher Publisher
Last Modified:	14 Oct 2016 09:01
URI:	http://gala.gre.ac.uk/id/eprint/706

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