A Petrov-Galerkin method for flows in cavities: enclosure of aspect ratio 8

Suslov, Sergey A. and Paolucci, Samuel (2002) A Petrov-Galerkin method for flows in cavities: enclosure of aspect ratio 8. International Journal for Numerical Methods in Fluids, 40 (8). pp. 999-1007. ISSN 0271-2091

[img]
Preview
PDF (Author Version)
Suslov_Paolucci_Petrov-Galerkin_method_Author's_version.pdf

Download (154Kb)

Abstract

A Petrov-Galerkin method for computations of fully enclosed flows is developed. It makes use of divergence-free basis functions which also satisfy the boundary conditions for the velocity field. This allows the elimination of the unknown pressure. The computational procedure reduces to the solution of a system of nonlinear first order ordinary differential equations for the spectral expansion coefficients. We illustrate the effectiveness and accuracy of the method by solving the problem of the two-dimensional thermoconvective flow in a rectangular cavity of aspect ratio 8 at Rayleigh number 3.4 x 10^5.


Statistics for USQ ePrint 1590
Statistics for this ePrint Item
Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Deposited in accordance with the copyright policy of the publisher. Pre-print version of article, as made available here, differs in title from the Published version. Pre-print title: A Petrov-Galerkin method for flows in cavities.
Depositing User: Dr Sergey Suslov
Faculty / Department / School: Historic - Faculty of Sciences - Department of Maths and Computing
Date Deposited: 11 Oct 2007 00:47
Last Modified: 02 Jul 2013 22:38
Uncontrolled Keywords: convection; spectral methods; Petrov-Galerkin method; differentially-heated cavity
Fields of Research (FOR2008): 02 Physical Sciences > 0203 Classical Physics > 020303 Fluid Physics
01 Mathematical Sciences > 0103 Numerical and Computational Mathematics > 010301 Numerical Analysis
03 Chemical Sciences > 0301 Analytical Chemistry > 030103 Flow Analysis
Socio-Economic Objective (SEO2008): E Expanding Knowledge > 97 Expanding Knowledge > 970102 Expanding Knowledge in the Physical Sciences
Identification Number or DOI: doi: 10.1002/fld.386
URI: http://eprints.usq.edu.au/id/eprint/1590

Actions (login required)

View Item Archive Repository Staff Only