Symmetry-preserving enforcement of low-dissipation method based on boundary variation diminishing principle

H Wakimura, S Takagi, F Xiao - Computers & Fluids, 2022 - Elsevier
A class of high-order shock-capturing schemes, P n T m-BVD (Deng et al., 2019; Deng et al.,
2020) schemes, have been devised to solve the Euler equations with substantially reduced …

Study on secondary motions in supersonic boundary layers of a bent pipe

H Chen, C Liang, Y Yang, M Sun, W Long, W Li… - Physics of …, 2024 - pubs.aip.org
The present study employed direct numerical simulation to investigate the supersonic flow of
Mach 3 in a bent pipe with a curvature of 0.0825, elucidating the dynamic mechanism of …

[HTML][HTML] Large eddy simulation of supersonic flow in ducts with complex cross-sections

H Chen, M Sun, D Xiong, Y Yang, T Wang… - Theoretical and Applied …, 2023 - Elsevier
Abstract Large Eddy Simulation (LES) has been employed for the investigation of
supersonic flow characteristics in five ducts with varying cross-sectional geometries. The …

[HTML][HTML] Mechanism of development of turbulent boundary layer in a curved circular pipe under supersonic conditions

CH Liang, MB Sun, Y Huang, DP Xiong, J Yu… - AIP Advances, 2022 - pubs.aip.org
This study investigates the characteristics of a turbulent boundary layer in a curved circular
pipe under an inflow of Ma= 3.0. The pipe consisted of a straight part and a curved part with …

Comparison between sonic jets with one jet orifice and two opposite orifices into a Ma-3.0 supersonic crossflow through circular ducts

CH Liang, MB Sun, DP Xiong - Physics of Fluids, 2022 - pubs.aip.org
Large-eddy simulations and nanoparticle-based planar laser scattering experiments are
conducted to investigate various physical aspects of transverse sonic jets injected into a Ma …

[HTML][HTML] Strongly consistent low-dissipation WENO schemes for finite elements

J Vedral, A Rupp, D Kuzmin - Applied Numerical Mathematics, 2024 - Elsevier
We propose a way to maintain strong consistency and perform error analysis in the context
of dissipation-based WENO stabilization for continuous and discontinuous Galerkin …

Generation of inflow turbulence using an improved synthetic eddy method

W Long, D Xiong, H Wang, M Sun, H Chen, W Li… - Physics of …, 2024 - pubs.aip.org
The generation of turbulent inflow conditions is a key issue in large eddy simulation (LES) or
direct numerical simulation (DNS). In this paper, an improved synthetic eddy method (SEM) …

Analysis of influencing factors on numerical simulation of transverse jet in supersonic flow

JF Yu, T Tang, JC Zhang, DP Xiong… - Advances in …, 2023 - journals.sagepub.com
Numerical simulation is becoming an important research method in the field of supersonic
flow. Its accuracy and reliability have always been the key to its further application and the …

Dissipative WENO stabilization of high-order discontinuous Galerkin methods for hyperbolic problems

J Vedral - arXiv preprint arXiv:2309.12019, 2023 - arxiv.org
We present a new approach to stabilizing high-order Runge-Kutta discontinuous Galerkin
(RKDG) schemes using weighted essentially non-oscillatory (WENO) reconstructions in the …

Hybrid conservative central/WENO finite difference scheme for two-dimensional detonation problems

N Bouguellab, S Khalfallah, B Zebiri… - International Journal for …, 2024 - Taylor & Francis
In the present work, a hybrid finite difference scheme is proposed and tested for the study of
two-dimensional detonation problems. The hybrid scheme consists of a fifth-order weighted …