Published in Computational Mechanics, Vol. 60 (2), pp. 219-233, 2017
doi: 10.1007/s00466-017-1402-7

Abstract

An a-posteriori error estimate with application to inviscid compressible flow problems is presented. The estimate is a surrogate measure of the discretization error, obtained from an approximation to the truncation terms of the governing equations. This approximation is calculated from the discrete nodal differential residuals using a reconstructed solution field on a modified stencil of points. Both the error estimation methodology and the flow solution scheme are implemented using the Finite Point Method, a meshless technique enabling higher-order approximations and reconstruction procedures on general unstructured discretizations. The performance of the proposed error indicator is studied and applications to adaptive grid refinement are presented.

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Published on 03/01/19
Submitted on 03/01/19

DOI: 10.1007/s00466-017-1402-7
Licence: CC BY-NC-SA license

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