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A h-Adaptive Algorithm Using Residual Error Estimates for Fluid Flows

Ganesh, N and Balakrishnan, N (2013) A h-Adaptive Algorithm Using Residual Error Estimates for Fluid Flows. In: COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 13 (2). pp. 461-478.

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Official URL: http://dx.doi.org/10.4208/cicp.170811.210212a

Abstract

Algorithms for adaptive mesh refinement using a residual error estimator are proposed for fluid flow problems in a finite volume framework. The residual error estimator, referred to as the R-parameter is used to derive refinement and coarsening criteria for the adaptive algorithms. An adaptive strategy based on the R-parameter is proposed for continuous flows, while a hybrid adaptive algorithm employing a combination of error indicators and the R-parameter is developed for discontinuous flows. Numerical experiments for inviscid and viscous flows on different grid topologies demonstrate the effectiveness of the proposed algorithms on arbitrary polygonal grids.

Item Type: Journal Article
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Additional Information: Copyright for this article belongs to the GLOBAL SCIENCE PRESS, CHINA.
Keywords: Adaptive refinement; error estimator; residual; error indicator
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 15 Apr 2013 11:51
Last Modified: 15 Apr 2013 11:51
URI: http://eprints.iisc.ernet.in/id/eprint/46399

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