An augmented Lagrangian preconditioner for the magnetohydrodynamics equations at high Reynolds and coupling numbers

F Laakmann, PE Farrell, L Mitchell - SIAM Journal on Scientific Computing, 2022 - SIAM
The magnetohydrodynamics (MHD) equations are generally known to be difficult to solve
numerically, due to their highly nonlinear structure and the strong coupling between the …

A class of finite element methods with averaging techniques for solving the three-dimensional drift-diffusion model in semiconductor device simulations

Q Zhang, Q Wang, L Zhang, B Lu - Journal of Computational Physics, 2022 - Elsevier
Obtaining a satisfactory numerical solution of the classical three-dimensional drift-diffusion
(DD) model, widely used in semiconductor device simulations, is still challenging nowadays …

Finite element systems for vector bundles: elasticity and curvature

SH Christiansen, K Hu - Foundations of Computational Mathematics, 2023 - Springer
We develop a theory of finite element systems, for the purpose of discretizing sections of
vector bundles, in particular those arising in the theory of elasticity. In the presence of …

A stable mimetic finite-difference method for convection-dominated diffusion equations

JH Adler, C Cavanaugh, X Hu, A Huang… - SIAM Journal on Scientific …, 2023 - SIAM
Convection-diffusion equations arise in a variety of applications such as particle transport,
electromagnetics, and magnetohydrodynamics. Simulation of the convection-dominated …

A Comprehensive Review of Recent Advances in Scalar Convection-Diffusion Studies

A Abdullah, SNMM Yunos… - Journal of Advanced …, 2024 - semarakilmu.com.my
Scalar convection-diffusion has been drawing attention in fluid mechanics since more than
half a century due to its relevance in various applications, its impact on transport properties …

New stabilized P1× P0 finite element methods for nearly inviscid and incompressible flows

Y Li, LT Zikatanov - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This work proposes a new stabilized P 1× P 0 finite element method for solving the
incompressible Navier–Stokes equations. The numerical scheme is based on a reduced …

A Hybridizable Discontinuous Galerkin Method for Magnetic Advection–Diffusion Problems

J Wang, S Wu - Journal of Scientific Computing, 2024 - Springer
We propose and analyze a hybridizable discontinuous Galerkin (HDG) method for solving a
mixed magnetic advection–diffusion problem within a more general Friedrichs system …

A flux-based moving mesh method applied to solving the Poisson-Nernst-Planck equations

M Lv, B Lu - Journal of Computational Physics, 2024 - Elsevier
The moving mesh method is one of the important adaptive mesh methods which is
practically useful when the mesh size and overall resolution are provided and fixed as seen …

Discontinuous Galerkin methods for magnetic advection-diffusion problems

J Wang, S Wu - Computers & Mathematics with Applications, 2024 - Elsevier
We devise and analyze a class of the primal discontinuous Galerkin methods for magnetic
advection-diffusion problems based on the weighted-residual approach. In addition to the …

Structure preserving transport stabilized compatible finite element methods for magnetohydrodynamics

GA Wimmer, XZ Tang - Journal of Computational Physics, 2024 - Elsevier
We present compatible finite element space discretizations for the ideal compressible
magnetohydrodynamic equations. The magnetic field is considered both in div-and curl …