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相关论文: Structure-preserving Finite Element Methods for St…

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We propose a new class of finite element approximations to ideal compressible magnetohydrodynamic equations in smooth regime. Following variational approximations developed for fluid models in the last decade, our discretizations are built…

数值分析 · 数学 2024-02-29 Valentin Carlier , Martin Campos-Pinto

We propose and analyze two convection quasi-robust and pressure robust finite element methods for a fully nonlinear time-dependent magnetohydrodynamics problem. Both methods employ the $H_{\rm div}$ conforming BDM element coupled with an…

数值分析 · 数学 2025-06-12 L. Beirão da Veiga , F. Dassi , G. Vacca

We propose a novel structure preserving discretization for viscous and resistive magnetohydrodynamics. We follow the recent line of work on discrete least action principle for fluid and plasma equation, incorporating the recent advances to…

数值分析 · 数学 2025-04-09 Valentin Carlier

In this paper we study finite element method for three-dimensional incompressible resistive magnetohydrodynamic equations, in which the velocity, the current density, and the magnetic induction are divergence-free. It is desirable that the…

数值分析 · 数学 2021-02-03 Lingxiao Li , Donghang Zhang , Weiying Zheng

We present a stable and convergent mixed finite element method (MFEM) for the linear regularized 13-moment (R13) equations in rarefied gas dynamics. Unlike existing methods that require stabilization via penalty terms, our scheme achieves…

数值分析 · 数学 2026-01-27 Shuang Hu , Huiteng Li , Zhenning Cai

In this paper, we propose a robust solver for the finite element discrete problem of the stationary incompressible magnetohydrodynamic (MHD) equations in three dimensions. By the mixed finite element method, both the velocity and the…

数值分析 · 数学 2017-10-23 Lingxiao Li , Weiying Zheng

In this manuscript we present a novel and efficient numerical method for the compressible viscous and resistive MHD equations for all Mach number regimes. The time-integration strategy is a semi-implicit splitting, combined with a hybrid…

数值分析 · 数学 2024-07-22 Francesco Fambri , Eric Sonnendrücker

A structure-preserving Finite Element Method (FEM) for the transport equation in one- and two-dimensional domains is presented. This Distributed Parameter System (DPS) has non-collocated boundary control and observation, and reveals a…

数值分析 · 数学 2024-02-05 Jesus-Pablo Toledo-Zucco , Denis Matignon , Charles Poussot-Vassal

A new conservative finite element solver for the three-dimensional steady magnetohydrodynamic (MHD) kinematics equations is presented.The solver utilizes magnetic vector potential and current density as solution variables, which are…

数值分析 · 数学 2022-07-20 Xujing Li , Lingxiao Li

This paper develops a charge-conservative mixed finite element method with optimal convergence rates for the stationary incompressible inductionless MHD equations on three-dimensional curved domains. The discretization employs the…

数值分析 · 数学 2026-02-24 Xue Jiang , Lei Li , Lingxiao Li

We consider linear, hyperbolic systems of balance laws in several space dimensions. They possess non-trivial steady states, which result from the equilibrium between derivatives of the unknowns in different directions, and the sources.…

数值分析 · 数学 2025-10-06 Wasilij Barsukow , Mario Ricchiuto , Davide Torlo

In this paper, a high order free-stream preserving finite difference weighted essentially non-oscillatory (WENO) scheme is developed for the ideal magnetohydrodynamic (MHD) equations on curvilinear meshes. Under the constrained transport…

数值分析 · 数学 2020-01-14 Yize Yu , Yan Jiang , Mengping Zhang

In this paper, an energy-consistent finite difference scheme for the compressible hydrodynamic and magnetohydrodynamic (MHD) equations is introduced. For the compressible magnetohydrodynamics, an energy-consistent finite difference…

计算物理 · 物理学 2021-04-07 Haruhisa Iijima

We present a linear, second order fully discrete numerical scheme on a staggered grid for a thermodynamically consistent hydrodynamic phase field model of binary compressible fluid flow mixtures derived from the generalized Onsager…

数值分析 · 数学 2019-07-24 Xueping Zhao , Qi Wang

We present a new algorithm for numerical magnetohydrodynamics on staggered meshes preserving $\nabla \cdot B = 0$. Our algorithm is based on the constrained transport method and supports both cell-based adaptive mesh refinement and temporal…

空间物理 · 物理学 2025-12-15 Ilja Honkonen , Riku Jarvinen , David Phillips

In this paper, we propose a conservative nonconforming virtual element method for the full stationary incompressible magnetohydrodynamics model. We leverage the virtual element satisfactory divergence-free property to ensure mass…

数值分析 · 数学 2024-10-25 Xiaojing Dong , Yunqing Huang , Tianwen Wang

The paper introduces a finite element method for the incompressible Navier--Stokes equations posed on a closed surface $\Gamma\subset\R^3$. The method needs a shape regular tetrahedra mesh in $\mathbb{R}^3$ to discretize equations on the…

数值分析 · 数学 2019-03-27 Maxim A. Olshanskii , Vladimir Yushutin

This paper presents a structure-preserving spatial discretization method for distributed parameter port-Hamiltonian systems. The class of considered systems are hyperbolic systems of two conservation laws in arbitrary spatial dimension and…

数值分析 · 数学 2021-08-11 Flávio Luiz Cardoso-Ribeiro , Denis Matignon , Laurent Lefèvre

The paper focuses on a new error analysis of a class of mixed FEMs for stationary incompressible magnetohydrodynamics with the standard inf-sup stable velocity-pressure space pairs to Navier-Stokes equations and the N\'ed\'elec's edge…

数值分析 · 数学 2023-03-22 Yuchen Huang , Weifeng Qiu , Weiwei Sun

In this paper, we present a novel second order in time mixed finite element scheme for the Cahn-Hilliard-Navier-Stokes equations with matched densities. The scheme combines a standard second order Crank-Nicholson method for the…

数值分析 · 数学 2016-06-09 Amanda E. Diegel , Cheng Wang , Xiaoming Wang , Steven M. Wise