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Article Dans Une Revue Computer Methods in Applied Mechanics and Engineering Année : 2013

Moving Kriging reconstruction for high-order finite volume computation of compressible flows

Résumé

This paper describes the development of a high-order finite volume method for the solution of compressible viscous flows on unstructured meshes. The novelty of this approach is based on the use of moving Kriging shape functions for the computation of the derivatives in the numerical flux reconstruction step at the cell faces. For each cell, the successive derivatives of the flow variables are deduced from the interpolation function constructed from a compact stencil support for both Gaussian and quartic spline correlation models. A particular attention is paid for the study of the influence of the correlation parameter onto the accuracy of the numerical scheme. The effect of the size of the moving Kriging stencil is also investigated. Robustness and convergence properties are studied for various inviscid and viscous flows. Results reveal that the moving Kriging shape function can be considered as an interesting alternative for the development of high-order methodology for complex geometries.
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Dates et versions

hal-01459738 , version 1 (03-09-2020)

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Jean-Camille Chassaing, Xesús Nogueira, Sofiane Khelladi. Moving Kriging reconstruction for high-order finite volume computation of compressible flows. Computer Methods in Applied Mechanics and Engineering, 2013, 253, pp.463-478. ⟨10.1016/j.cma.2012.08.016⟩. ⟨hal-01459738⟩
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