277 citations · 1.6k across the 89 of their papers we have counts for
5 papers · 2 filters
A meshfree arbitrary Lagrangian-Eulerian method for the BGK model of the Boltzmann equation with moving boundaries
Sudarshan Tiwari, Axel Klar, Giovanni Russo
In this paper we present a novel technique for the simulation of moving boundaries and moving rigid bodies immersed in a rarefied gas using an Eulerian-Lagrangian formulation based…
Spectral and norm estimates for matrix sequences arising from a finite difference approximation of elliptic operators
Armando Coco, Sven-Erik Ekström, Giovanni Russo +2
When approximating elliptic problems by using specialized approximation techniques, we obtain large structured matrices whose analysis provides information on the stability of the…
A local velocity grid conservative semi-Lagrangian schemes for BGK model
Sebastiano Boscarino, Seung Yeon Cho, Giovanni Russo
Most numerical schemes proposed for solving BGK models for rarefied gas dynamics are based on the discrete velocity approximation. Since such approach uses fixed velocity grids, on…
High Order Semi-implicit WENO Schemes for All Mach Full Euler System of Gas Dynamics
Sebastiano Boscarino, Jing-Mei Qiu, Giovanni Russo +1
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 a…
A novel spectral method for the semi-classical Schrödinger equation based on the Gaussian wave-packet transform
Borui Miao, Giovanni Russo, Zhennan Zhou
In this article, we develop and analyse a new spectral method to solve the semi-classical Schrödinger equation based on the Gaussian wave-packet transform (GWPT) and Hagedorn's sem…