Stable spectral difference approach using Raviart-Thomas elements for 3D computations on tetrahedral grids

A Veilleux, G Puigt, H Deniau, G Daviller - Journal of Scientific Computing, 2022 - Springer
In this paper, the Spectral Difference approach using Raviart-Thomas elements (SDRT) is
formulated for the first time on tetrahedral grids. To determine stable formulations, a Fourier …

A stable Spectral Difference approach for computations with triangular and hybrid grids up to the 6th order of accuracy

A Veilleux, G Puigt, H Deniau, G Daviller - Journal of Computational …, 2022 - Elsevier
In the present paper, a stable Spectral Difference formulation on triangles is defined using a
flux polynomial expressed in the Raviart-Thomas basis up to the sixth-order of accuracy …

A corrected Raviart–Thomas Spectral Difference scheme stable for arbitrary order of accuracy on triangular and tetrahedral meshes

NA Messaï, G Daviller - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
A theoretical stability estimate is presented for the Raviart–Thomas Spectral Difference
scheme for triangular and tetrahedral meshes. It reveals the difficulty of guaranteeing the …

Artificial viscosity-based shock capturing scheme for the Spectral Difference method on simplicial elements

NA Messaï, G Daviller, JF Boussuge - Journal of Computational Physics, 2024 - Elsevier
An artificial viscosity-based shock capturing scheme is extended to the context of high-order
triangular Spectral Difference method for solving gas dynamics problems featuring …

Extension of the Spectral Difference method to combustion

T Marchal, H Deniau, JF Boussuge, B Cuenot… - arXiv preprint arXiv …, 2021 - arxiv.org
A Spectral Difference (SD) algorithm on tensor-product elements which solves the reacting
compressible Navier-Stokes equations (NSE) is presented. The classical SD algorithm is …

The Spectral Difference Raviart–Thomas Method for Two and Three-Dimensional Elements and Its Connection with the Flux Reconstruction Formulation

G Sáez-Mischlich, J Sierra-Ausín, J Gressier - Journal of Scientific …, 2022 - Springer
The purpose of this work is to describe in detail the development of the spectral difference
Raviart–Thomas (SDRT) formulation for two and three-dimensional tensor-product elements …

Extension of the Spectral Difference method to simplex cells and hybrid grids

A Veilleux - 2021 - hal.science
This thesis examines the extension of the Spectral Difference (SD) method on unstructured
hybrid grids involving simplex cells (triangles, tetrahedra) and prismatic elements. The …

[PDF][PDF] High-Order Spectral Difference Gas-Kinetic Schemes for Euler and Navier-Stokes Equations

Q Xie, X Ji, Z Qiu, C Liang, K Xu - EAST ASIAN JOURNAL ON …, 2023 - doc.global-sci.org
High-order spectral difference gas-kinetic schemes (SDGKS) are developed for inviscid and
viscous flows on unstructured quadrilateral meshes. Rather than the traditional Riemann …

[引用][C] Extension de la méthode des Différences Spectrales à la combustion

T Marchal - 2023