The new mass-conserving S-DDM scheme for two-dimensional parabolic equations with variable coefficients

Z Zhou, D Liang, Y Wong - Applied Mathematics and Computation, 2018 - Elsevier
In the article, a new and efficient mass-conserving operator splitting domain decomposition
method (S-DDM) is proposed and analyzed for solving two dimensional variable coefficient …

Modified Douglas splitting methods for reaction–diffusion equations

A Arrarás, KJ in't Hout, W Hundsdorfer… - BIT Numerical …, 2017 - Springer
We present modifications of the second-order Douglas stabilizing corrections method, which
is a splitting method based on the implicit trapezoidal rule. Inclusion of an explicit term in a …

Multigrid solvers for multipoint flux approximations of the Darcy problem on rough quadrilateral grids

A Arrarás, FJ Gaspar, L Portero, C Rodrigo - Computational Geosciences, 2021 - Springer
In this work, an efficient blackbox-type multigrid method is proposed for solving multipoint
flux approximations of the Darcy problem on logically rectangular grids. The approach is …

Improved accuracy for time-splitting methods for the numerical solution of parabolic equations

A Arrarás, L Portero - Applied Mathematics and Computation, 2015 - Elsevier
In this work, we study time-splitting strategies for the numerical approximation of
evolutionary reaction–diffusion problems. In particular, we formulate a family of domain …

[HTML][HTML] Multipoint flux mixed finite element methods for slightly compressible flow in porous media

A Arrarás, L Portero - Computers & Mathematics with Applications, 2019 - Elsevier
In this paper, we consider multipoint flux mixed finite element discretizations for slightly
compressible Darcy flow in porous media. The methods are formulated on general meshes …

Modified Douglas Splitting Methods for Reaction-Diffusion Equations

A Arrarás, KJ Hout, W Hundsdorfer… - arXiv preprint arXiv …, 2015 - arxiv.org
We present modifications of the second-order Douglas stabilizing corrections method, which
is a splitting method based on the implicit trapezoidal rule. Inclusion of an explicit term in a …

The mass‐conserving domain decomposition method for convection diffusion equations with variable coefficients

R Dong, Z Zhou, X Chen, H Tang… - … Methods in the Applied …, 2022 - Wiley Online Library
In this paper, a conserved domain decomposition method for solving convection–diffusion
equations with variable coefficients is analyzed. The interface fluxes over the subdomains …

MIXED FINITE ELEMENT DISCRETIZATIONS FOR SLIGHTLY COMPRESSIBLE DARCY FLOW IN POROUS MEDIA

A Arrarás, L Portero - Book of Abstracts Computational Methods in Applied … - academia.edu
Slightly compressible single-phase Darcy flow in porous media is described by the
nonlinear system (cf.[2]) u=− Kρ (p)(∇ p− ρ (p) g) in Ω×(0, T], φρ (p) t+∇· u= f in Ω×(0, T] …

[PDF][PDF] Modified Douglas splitting methods for reaction–diffusion equations

W Hundsdorfer, L Portero - 2016 - ir.cwi.nl
We present modifications of the second-order Douglas stabilizing corrections method, which
is a splitting method based on the implicit trapezoidal rule. Inclusion of an explicit term in a …

[引用][C] Multipoint flux mixed finite element methods for slightly compressible flow in porous media

A Arrarás Ventura, L Portero Egea - … & Mathematics with Applications, 77 (6 …, 2019 - Elsevier