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|Type:||Artigo de evento|
|Title:||Assessment Of Weno And Sfv High-order Reconstruction Schemes For Aerodynamic Flows|
|Abstract:||An assessment of two numerical formulations for high-order reconstruction on unstructured triangular grids is performed. TheWeighted Essentially Non-Oscillatory (WENO) and the Spectral Finite Volume (SFV) methods are considered for the spatial discretization of the 2-D Euler equations. Several test cases discussed in the literature are addressed here to assess the resolution properties, effective order of accuracy and performance of the spatial discretization schemes. The study compares, in particular, results for linear and quadratic reconstructions. The test cases include problems with strong shock waves and other discontinuities which provide a comparative assessment of the resolution capability of the tested schemes for typical aerospace flows. In order to perform such comparisons different limiter formulations are considered. One of such formulations include the use of both the WENO and SFV discretization methods for reconstruction, depending on the flow characteristics, to provide a continuous high-order solution field, regardless of discontinuities. It is hoped that the results of the present effort could provide valuable guidelines for future developments regarding high-order methods for unstructured meshes.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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