High order pressure-based semi-implicit IMEX schemes for the 3D Navier-Stokes equations at all Mach numbers

W Boscheri, L Pareschi - Journal of Computational Physics, 2021 - Elsevier
This article aims at developing a high order pressure-based solver for the solution of the 3D
compressible Navier-Stokes system at all Mach numbers. We propose a cell-centered …

High order semi-implicit schemes for viscous compressible flows in 3D

W Boscheri, M Tavelli - Applied Mathematics and Computation, 2022 - Elsevier
In this article we present a high order cell-centered numerical scheme in space and time for
the solution of the compressible Navier-Stokes equations. To deal with multiscale …

Structure preserving schemes for nonlinear Fokker–Planck equations and applications

L Pareschi, M Zanella - Journal of Scientific Computing, 2018 - Springer
In this paper we focus on the construction of numerical schemes for nonlinear Fokker–
Planck equations that preserve the structural properties, like non negativity of the solution …

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 …

All Mach number second order semi-implicit scheme for the Euler equations of gas dynamics

S Boscarino, G Russo, L Scandurra - Journal of Scientific Computing, 2018 - Springer
This paper presents an asymptotic preserving (AP) all Mach number finite volume shock
capturing method for the numerical solution of compressible Euler equations of gas …

Asymptotic preserving methods for quasilinear hyperbolic systems with stiff relaxation: a review

S Boscarino, G Russo - SeMA Journal, 2024 - Springer
Hyperbolic systems with stiff relaxation constitute a wide class of evolutionary partial
differential equations which describe several physical phenomena, ranging from gas …

[HTML][HTML] A new family of semi-implicit Finite Volume/Virtual Element methods for incompressible flows on unstructured meshes

W Boscheri, A Chiozzi, MG Carlino… - Computer Methods in …, 2023 - Elsevier
We introduce a new family of high order accurate semi-implicit schemes for the solution of
nonlinear time-dependent systems of partial differential equations (PDE) on unstructured …

High order semi-implicit WENO schemes for all-Mach full Euler system of gas dynamics

S Boscarino, J Qiu, G Russo, T Xiong - SIAM Journal on Scientific Computing, 2022 - SIAM
In this paper, we propose a new high order semi-implicit scheme for the all-Mach full Euler
equations of gas dynamics. Material waves are treated explicitly, while acoustic waves are …

A well-balanced semi-implicit imex finite volume scheme for ideal magnetohydrodynamics at all mach numbers

C Birke, W Boscheri, C Klingenberg - Journal of Scientific Computing, 2024 - Springer
We propose a second-order accurate semi-implicit and well-balanced finite volume scheme
for the equations of ideal magnetohydrodynamics including gravitational source terms. The …

Asymptotically stable particle-in-cell methods for the Vlasov--Poisson system with a strong external magnetic field

F Filbet, LM Rodrigues - SIAM Journal on Numerical Analysis, 2016 - SIAM
This paper deals with the numerical resolution of the Vlasov--Poisson system with a strong
external magnetic field by particle-in-cell (PIC) methods. In this regime, classical PIC …