High order asymptotic preserving finite difference WENO schemes with constrained transport for MHD equations in all sonic Mach numbers

W Chen, K Wu, T Xiong - Journal of Computational Physics, 2023 - Elsevier
In this paper, a high-order semi-implicit (SI) asymptotic preserving (AP) and divergence-free
finite difference weighted essentially nonoscillatory (WENO) scheme is proposed for …

Very high-order method on immersed curved domains for finite difference schemes with regular Cartesian grids

J Fernández-Fidalgo, S Clain, L Ramírez… - Computer Methods in …, 2020 - Elsevier
A new very high-order technique for solving conservation laws with curved boundary
domains is proposed. A Finite Difference scheme on Cartesian grids is coupled with an …

High-order targeted essentially non-oscillatory scheme for two-fluid plasma model

Y Hou, K Jin, Y Feng, X Zheng - Applied Mathematics and Mechanics, 2023 - Springer
The weakly ionized plasma flows in aerospace are commonly simulated by the single-fluid
model, which cannot describe certain nonequilibrium phenomena by finite collisions of …

High-order low-dissipation targeted ENO schemes for ideal magnetohydrodynamics

L Fu, Q Tang - Journal of Scientific Computing, 2019 - Springer
The recently proposed targeted ENO (TENO) schemes (Fu et al. J Comput Phys 305: 333–
359, 2016) are demonstrated to feature the controllable low numerical dissipation and sharp …

Globally divergence-free DG scheme for ideal compressible MHD

DS Balsara, R Kumar, P Chandrashekar - Communications in Applied …, 2021 - msp.org
The high-accuracy solution of the MHD equations is of great interest in various fields of
physics, mathematics, and engineering. Higher-order DG schemes offer low dissipation and …

Computation of three-dimensional incompressible flows using high-order weighted essentially non-oscillatory finite-difference lattice Boltzmann method

K Hejranfar, M Abotalebi - Physics of Fluids, 2024 - pubs.aip.org
In the present work, an accurate and robust solution methodology based on the high-order
weighted essentially non-oscillatory (WENO) finite-difference lattice Boltzmann method …

An arbitrarily high-order spectral difference method with divergence cleaning (SDDC) for compressible magnetohydrodynamic simulations on unstructured grids

K Chen, C Liang - The Astrophysical Journal, 2022 - iopscience.iop.org
This paper reports a recent development of the high-order spectral difference method with
divergence cleaning (SDDC) for accurate simulations of both ideal and resistive …

Numerical simulation of 3-D seismic wave based on alternative flux finite-difference WENO scheme

T Xu, Z Zhang - Geophysical Journal International, 2024 - academic.oup.com
High-frequency non-physical oscillations may occur due to shock waves in seismic
wavefield and dynamic rupture simulation. In this study, we introduced the alternative flux …

High Order Structure-Preserving Finite Difference WENO Schemes for MHD Equations with Gravitation in all Sonic Mach Numbers

W Chen, K Wu, T Xiong - Journal of Scientific Computing, 2024 - Springer
In this paper, we develop a high-order semi-implicit (SI) structure-preserving finite difference
weighted essentially nonoscillatory (WENO) scheme for magnetohydrodynamic (MHD) …

[HTML][HTML] A fast dynamic smooth adaptive meshing scheme with applications to compressible flow

R Ramani, S Shkoller - Journal of Computational Physics, 2023 - Elsevier
We develop a fast-running smooth adaptive meshing (SAM) algorithm for dynamic
curvilinear mesh generation, which is based on a fast solution strategy of the time …