In this study, a new method is proposed to improve the accuracy of the grid block interface flux reconstruction (IFR) approach, which was proposed by the present authors previously for numerical simulation using high order finite difference scheme. Not only is the flux at the point on the block interface corrected, but the fluxes at the adjacent points of the interface are also reconstructed with a selected correction function. This improves the accuracy of the IFR method although the biased finite difference scheme is used to compute the spatial derivatives in the interior boundary region. Four problems, including both inviscid and viscous flows, are numerically solved with the developed code to validate the accuracy of the improved IFR method. The validations imply that the new correction approach improves the accuracy of the IFR method and is effective for inviscid and viscous problems with complex geometry. Presented as Paper 2013-2217 at the 19th AIAA/CEAS Aeroacoustics Conference, Berlin, Germany, 27 March-29 May 2013
Improved Grid Block Interface Flux Reconstruction Method for High-Order Finite Difference Scheme
AIAA journal ; 53 , 7
2015
Article (Journal)
English
Improved Bidirectional Beam-Propagation Method by a Fourth-Order Finite-Difference Scheme
British Library Online Contents | 2007
|