A freestream preserving algorithm for the flux reconstruction method implemented on tetrahedral element

W Pan, Z Kang, L Xie - Computers & Fluids, 2025 - Elsevier
In computational fluid dynamics, curvilinear elements are frequently used to fit boundaries.
Metric terms are involved by the map from these curvilinear elements to the standard …

Hybrid spectral difference methods for an elliptic equation

Y Jeon, EJ Park, D Shin - Computational Methods in Applied …, 2017 - degruyter.com
A locally conservative, hybrid spectral difference method (HSD) is presented and analyzed
for the Poisson equation. The HSD is composed of two types of finite difference …

A new high-order spectral difference method for simulating viscous flows on unstructured grids with mixed-element meshes

M Li, Z Qiu, C Liang, M Sprague, M Xu, CA Garris - Computers & Fluids, 2019 - Elsevier
In the present study, a spectral difference (SD) method is developed for viscous flows on
meshes with a mixture of triangular and quadrilateral elements. The standard SD method for …

Spectral volume and spectral difference methods

ZJ Wang, Y Liu, C Lacor, JLF Azevedo - Handbook of Numerical Analysis, 2016 - Elsevier
This chapter describes two related methods, the spectral volume and spectral difference
methods for hyperbolic conservation laws. Similar to the discontinuous Galerkin method …

[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 …

[PDF][PDF] 三维谱差分格式非结构混合网格求解方法

邱滋华, 徐敏 - 西北工业大学学报, 2019 - scholar.archive.org
高精度方法在多种网格单元上的推进是一个难点. 提出了一种基于高精度谱差分格式(SD)
的三维混合网格求解方法, 用于求解三棱柱/四面体混合网格. 通过一阶h⁃ 加密方法对混合网格 …

High-Order Spectral Difference Method on 3D Unstructured Grids via Mixed Elements

Z Qiu, M Xu, B Zhang, C Liang - Xibei Gongye Daxue Xuebao/Journal of …, 2019 - jnwpu.org
The high-order methods is difficultly applied in various elements. The development of a 3D
solver by using the spectral difference method of unstructured grids via mixed elements is …