A local macroscopic conservative (lomac) low rank tensor method with the discontinuous galerkin method for the vlasov dynamics

W Guo, JF Ema, JM Qiu - Communications on Applied Mathematics and …, 2024‏ - Springer
In this paper, we propose a novel Local Macroscopic Conservative (LoMaC) low rank tensor
method with discontinuous Galerkin (DG) discretization for the physical and phase spaces …

A performance comparison of semi-Lagrangian discontinuous Galerkin and spline based Vlasov solvers in four dimensions

L Einkemmer - Journal of Computational Physics, 2019‏ - Elsevier
The purpose of the present paper is to compare two semi-Lagrangian methods in the context
of the four-dimensional Vlasov–Poisson equation. More specifically, our goal is to compare …

High order maximum principle preserving semi-Lagrangian finite difference WENO schemes for the Vlasov equation

T **ong, JM Qiu, Z Xu, A Christlieb - Journal of Computational Physics, 2014‏ - Elsevier
In this paper, we propose the parametrized maximum principle preserving (MPP) flux limiter,
originally developed in [37], to the semi-Lagrangian finite difference weighted essentially …

High order semi-Lagrangian discontinuous Galerkin method coupled with Runge-Kutta exponential integrators for nonlinear Vlasov dynamics

X Cai, S Boscarino, JM Qiu - Journal of Computational Physics, 2021‏ - Elsevier
In this paper, we propose a semi-Lagrangian discontinuous Galerkin method coupled with
Runge-Kutta exponential integrators (SLDG-RKEI) for nonlinear Vlasov dynamics. The …

Conservative multi-dimensional semi-Lagrangian finite difference scheme: stability and applications to the kinetic and fluid simulations

T **ong, G Russo, JM Qiu - Journal of scientific computing, 2019‏ - Springer
In this paper, we propose a mass conservative semi-Lagrangian finite difference scheme for
multi-dimensional problems without dimensional splitting. The semi-Lagrangian scheme …

A high order conservative semi-Lagrangian discontinuous Galerkin method for two-dimensional transport simulations

X Cai, W Guo, JM Qiu - Journal of Scientific Computing, 2017‏ - Springer
In this paper, we develop a class of high order conservative semi-Lagrangian (SL)
discontinuous Galerkin methods for solving multi-dimensional linear transport equations …

Bound-preserving high-order schemes

Z Xu, X Zhang - Handbook of numerical analysis, 2017‏ - Elsevier
For the initial value problem of scalar conservation laws, a bound-preserving property is
desired for numerical schemes in many applications. Traditional methods to enforce a …

Stochastic Lagrangian perturbation of Lie transport and applications to fluids

N Besse - Nonlinear Analysis, 2023‏ - Elsevier
In this paper, we propose a novel stochastic Lagrangian formulation of dissipatively
perturbed Lie transport, which is based on the statistical generalized Cauchy invariants …

A semi-Lagrangian discontinuous Galerkin (DG)–local DG method for solving convection-diffusion equations

M Ding, X Cai, W Guo, JM Qiu - Journal of Computational Physics, 2020‏ - Elsevier
In this paper, we propose an efficient high order semi-Lagrangian (SL) discontinuous
Galerkin (DG) method for solving linear convection-diffusion equations. The method …

A high order semi-Lagrangian discontinuous Galerkin method for Vlasov–Poisson simulations without operator splitting

X Cai, W Guo, JM Qiu - Journal of Computational Physics, 2018‏ - Elsevier
In this paper, we develop a high order semi-Lagrangian (SL) discontinuous Galerkin (DG)
method for nonlinear Vlasov–Poisson (VP) simulations without operator splitting. In …