A high-order upwind control-volume method based on integrated RBFs for fluid-flow problems
Article
Article Title | A high-order upwind control-volume method based on integrated RBFs for fluid-flow problems |
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ERA Journal ID | 188 |
Article Category | Article |
Authors | Mai-Duy, N. (Author) and Tran-Cong, T. (Author) |
Journal Title | International Journal for Numerical Methods in Fluids |
Journal Citation | 67 (12), pp. 1973-1992 |
Number of Pages | 20 |
Year | 2011 |
Place of Publication | Bognor Regis, UK |
ISSN | 0271-2091 |
1097-0363 | |
Digital Object Identifier (DOI) | https://doi.org/10.1002/fld.2477 |
Web Address (URL) | http://onlinelibrary.wiley.com/doi/10.1002/fld.2477/pdf |
Abstract | This paper is concerned with the development of a high-order upwind conservative discretization method for the simulation of flows of a Newtonian fluid in two dimensions. The fluid-flow domain is discretized using a Cartesian grid from which non-overlapping rectangular control volumes are formed. Line integrals arising from the integration of the diffusion and convection terms over control volumes are evaluated using the middle-point rule. One-dimensional integrated radial basis function schemes using the multiquadric basis function are employed to represent the variations of the field variables along the grid lines. The convection term is effectively treated using an upwind scheme with the deferred-correction strategy. Several highly non-linear test problems governed by the Burgers and the Navier–Stokes equations are simulated, which show that the proposed technique is stable, accurate and converges well. |
Keywords | integrated RBF; Cartesian grid; control volume; upwind scheme; deferred-correction technique; high-order approximation |
ANZSRC Field of Research 2020 | 490199. Applied mathematics not elsewhere classified |
401204. Computational methods in fluid flow, heat and mass transfer (incl. computational fluid dynamics) | |
401706. Numerical modelling and mechanical characterisation | |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Computational Engineering and Science Research Centre |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q1118/a-high-order-upwind-control-volume-method-based-on-integrated-rbfs-for-fluid-flow-problems
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