Article (Scientific journals)
R-adaptive algorithms for supersonic flows with high-order Flux Reconstruction methods
Ben Ameur, Firas; Balis, Joachim; Vandenhoeck, Ray et al.
2022In Computer Physics Communications, 276, p. 108373
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Keywords :
Adaptive mesh refinement; Cartesian meshes; Flux Reconstruction; Hypersonic flows; r-AMR; Spring analogy; Adaptive mesh refinement algorithms; Cartesian mesh; Flux reconstruction; High-order; Higher-order; R-adaptive mesh refinement; Reconstruction method; Spring analogies; Hardware and Architecture; Physics and Astronomy (all); General Physics and Astronomy
Abstract :
[en] The present paper addresses the development and implementation of the first r-adaptive mesh refinement (r-AMR) algorithm for a high-order Flux Reconstruction solver. The r-refinement consists on nodal re-positioning while keeping the number of mesh nodes and their connectivity frozen. The developed algorithm is based on physics-driven spring-analogies, where the mesh can be seen as a network of fictitious springs. While AMR increases the local mesh density, the high-order Flux Reconstruction method potentially provides a more accurate detection of complex flow features over relatively coarser mesh, when compared to low-order methods. In this work, a concise overview of the Flux Reconstruction method and spring-based AMR techniques will be given, followed by some promising results of r-AMR applied to benchmark high-order steady-state supersonic flow simulations.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Ben Ameur, Firas ;  Von Karman Institute for Fluid Dynamics, Sint-Genesius-Rode, Belgium ; Centre for Mathematical Plasma-Astrophysics, KU Leuven, Leuven, Belgium
Balis, Joachim  ;  Université de Liège - ULiège > Unités de recherche interfacultaires > Space sciences, Technologies and Astrophysics Research (STAR) ; Von Karman Institute for Fluid Dynamics, Sint-Genesius-Rode, Belgium
Vandenhoeck, Ray ;  Von Karman Institute for Fluid Dynamics, Sint-Genesius-Rode, Belgium ; Department of Mechanical Engineering, KU Leuven, Leuven, Belgium
Lani, Andrea;  Von Karman Institute for Fluid Dynamics, Sint-Genesius-Rode, Belgium ; Centre for Mathematical Plasma-Astrophysics, KU Leuven, Leuven, Belgium
Poedts, Stefaan;  Centre for Mathematical Plasma-Astrophysics, KU Leuven, Leuven, Belgium ; Institute of Physics, University of Maria Curie-Skłodowska, Lublin, Poland
Language :
English
Title :
R-adaptive algorithms for supersonic flows with high-order Flux Reconstruction methods
Publication date :
2022
Journal title :
Computer Physics Communications
ISSN :
0010-4655
eISSN :
1879-2944
Publisher :
Elsevier B.V.
Volume :
276
Pages :
108373
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FWO - Fonds Wetenschappelijk Onderzoek Vlaanderen [BE]
Funding text :
The research of Firas Ben Ameur and Ray Vandenhoeck is supported by SB PhD fellowship 1SC3519N and 1S19918N , respectively, of the FWO .
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since 20 November 2023

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