Results 11 to 20 of about 2,433 (265)

Implicit scheme for meshless compressible Euler solver [PDF]

open access: goldEngineering Applications of Computational Fluid Mechanics, 2015
In this paper, an implicit scheme is presented for a meshless compressible Euler solver based on the Least Square Kinetic Upwind Method (LSKUM). The Jameson and Yoon's split flux Jacobians formulation is very popular in finite volume methodology, which leads to a scalar diagonal dominant matrix for an efficient implicit procedure (Jameson & Yoon, 1987).

exaly   +4 more sources

High order semi-implicit weighted compact nonlinear scheme for the all-Mach isentropic Euler system [PDF]

open access: greenAdvances in Aerodynamics, 2020
The computation of compressible flows at all Mach numbers is a very challenging problem. An efficient numerical method for solving this problem needs to have shock-capturing capability in the high Mach number regime, while it can deal with stiffness and ...
Yanqun Jiang   +4 more
doaj   +6 more sources

Implicit flux-split schemes for the Euler equations [PDF]

open access: green18th Fluid Dynamics and Plasmadynamics and Lasers Conference, 1985
Recent progress in the development of implicit algorithms for the Euler equations using the flux-vector splitting method is described. Comparisons of the relative efficiency of relaxation and spatially-split approximately factored methods on a vector processor for two-dimensional flows are made.
Thomas, James L.   +2 more
openaire   +3 more sources

Drift-implicit Euler scheme for sandwiched processes driven by Hölder noises [PDF]

open access: hybridNumerical Algorithms, 2022
AbstractIn this paper, we analyze the drift-implicit (or backward) Euler numerical scheme for a class of stochastic differential equations with unbounded drift driven by an arbitrary λ-Hölder continuous process, λ ∈ (0,1). We prove that, under some mild moment assumptions on the Hölder constant of the noise, the $L^{r}({\Omega };L^{\infty }([0,T]))$
Giulia Di Nunno   +2 more
  +8 more sources

Convergence of an implicit Euler Galerkin scheme for Poisson–Maxwell–Stefan systems [PDF]

open access: greenAdvances in Computational Mathematics, 2019
A fully discrete Galerkin scheme for a thermodynamically consistent transient Max-well-Stefan system for the mass particle densities, coupled to the Poisson equation for the electric potential, is investigated. The system models the diffusive dynamics of an isothermal ionized fluid mixture with vanishing barycentric velocity.
Ansgar Jüngel, Oliver Leingang
openaire   +4 more sources

The Euler implicit/explicit scheme for the Boussinesq equations [PDF]

open access: goldBoundary Value Problems, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhang, Tong, Jin, Jiaojiao, Xu, Shunwei
openaire   +2 more sources

An Efficient Implicit Scheme for the Multimaterial Euler Equations in Lagrangian Coordinates

open access: greenJournal of Computational Physics
Stratified fluids composed of a sequence of alternate layers show interesting macroscopic properties, which may be quite different from those of the individual constituent fluids. On a macroscopic scale, such systems can be considered a sort of fluid metamaterial.
Chiocchetti S., Russo G.
  +6 more sources

Semi-implicit Euler–Maruyama scheme for polynomial diffusions on the unit ball

open access: yesJournal of Mathematical Analysis and Applications, 2023
19 pages, 10 ...
Dai Taguchi, Takuya Nakagawa
exaly   +4 more sources

An implicit, conservative, zonal-boundary scheme for Euler equation calculations [PDF]

open access: greenComputers & Fluids, 1985
A ``zonal,'' or ``patched-grid,'' approach is one in which the flow region of interest is divided into subregions which are then discretized independently, using existing grid generators. The equations of motion are integrated in each subregion in conjunction with zonal-boundary schemes which allow proper information transfer across interfaces that ...
M. RAI
openaire   +3 more sources

Numerical analysis of a semi-implicit Euler scheme for the Keller-Segel model [PDF]

open access: hybridESAIM: Mathematical Modelling and Numerical Analysis
We study the properties of a semi-implicit Euler scheme widely used for time discretization of Keller-Segel equations in both parabolic-elliptic and parabolic-parabolic forms. We assume the initial mass of the cell density is sufficiently small to ensure that solutions of the continuous Keller-Segel equations exist globally in time.
Xueling Huang   +2 more
  +5 more sources

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