[HTML][HTML] Composition tracking of natural gas–hydrogen mixtures in pipeline flow using high-resolution schemes

T Bleschke, M Chaczykowski - International Journal of Hydrogen Energy, 2024 - Elsevier
A transient pipeline flow model with gas composition tracking is solved for studying the
operation of a natural gas pipeline under nonisothermal flow conditions in a hydrogen …

A high-order finite difference method for moving immersed domain boundaries and material interfaces

J Gabbard, WM van Rees - Journal of Computational Physics, 2024 - Elsevier
We present a high-order sharp treatment of immersed moving domain boundaries and
material interfaces, and apply it to the advection-diffusion equation in two and three …

Stability analysis of inverse Lax–Wendroff boundary treatment of high order compact difference schemes for parabolic equations

T Li, J Lu, CW Shu - Journal of Computational and Applied Mathematics, 2022 - Elsevier
In this paper, we study the stability of a numerical boundary treatment of high order compact
finite difference methods for parabolic equations. The compact finite difference schemes …

Local compatibility boundary conditions for high-order accurate finite-difference approximations of PDEs

NG Al Hassanieh, JW Banks, WD Henshaw… - SIAM Journal on …, 2022 - SIAM
We describe a new approach to derive numerical approximations of boundary conditions for
high-order accurate finite-difference approximations. The approach, called the local …

High-resolution ILW outflow boundary treatment for the Navier–Stokes equations

LK Araki, RBR Borges, NDP da Silva, CW Shu - Computers & Fluids, 2022 - Elsevier
WENO schemes have high-resolution and great capability of capturing unsteady and non-
linear phenomena. These phenomena occur in elaborated flows, such as cascade and …

One-and multi-dimensional CWENOZ reconstructions for implementing boundary conditions without ghost cells

M Semplice, E Travaglia, G Puppo - Communications on Applied …, 2021 - Springer
We address the issue of point value reconstructions from cell averages in the context of third-
order finite volume schemes, focusing in particular on the cells close to the boundaries of the …

A high order moving boundary treatment for convection-diffusion equations

S Liu, Y Jiang, CW Shu, M Zhang, S Zhang - Journal of Computational …, 2023 - Elsevier
In this paper, a new type of inverse Lax-Wendroff boundary treatment is designed for high
order finite difference schemes for solving general convection-diffusion equations on time …

Numerical simulation of a complex moving rigid body under the impingement of a shock wave in 3D

S Liu, Z Cheng, Y Jiang, J Lu, M Zhang… - Advances in …, 2022 - Springer
In this paper, we take a numerical simulation of a complex moving rigid body under the
impingement of a shock wave in three-dimensional space. Both compressible inviscid fluid …

A new type of simplified inverse Lax-Wendroff boundary treatment I: hyperbolic conservation laws

S Liu, T Li, Z Cheng, Y Jiang, CW Shu… - arXiv preprint arXiv …, 2024 - arxiv.org
In this paper, we design a new kind of high order inverse Lax-Wendroff (ILW) boundary
treatment for solving hyperbolic conservation laws with finite difference method on a …

High order accurate Hermite schemes on curvilinear grids with compatibility boundary conditions

AA Loya, D Appelö, WD Henshaw - Journal of Computational Physics, 2025 - Elsevier
High order accurate Hermite methods for the wave equation on curvilinear domains are
presented. Boundaries are treated using centered compatibility conditions rather than more …