A new locally conservative numerical method for two-phase flow in heterogeneous poroelastic media

MA Murad, M Borges, JA Obregón, M Correa - Computers and Geotechnics, 2013 - Elsevier
We construct a new class of locally conservative numerical methods for two-phase
immiscible flow in heterogeneous poroelastic media. Within the framework of the so-called …

Design and implementation of a multiscale mixed method based on a nonoverlapping domain decomposition procedure

A Francisco, V Ginting, F Pereira, J Rigelo - Mathematics and Computers in …, 2014 - Elsevier
We use a nonoverlapping iterative domain decomposition procedure based on the Robin
interface condition to develop a new multiscale mixed method to compute the velocity field in …

An extension of Darcy's law incorporating dynamic length scales

Y Wang, SA Aryana, MB Allen - Advances in Water Resources, 2019 - Elsevier
We propose a physics-based, macroscale formulation of multiphase porous-media flows that
both honors the validity of Darcy's law in steady or near-steady flows and accommodates the …

A semi‐discrete central scheme for scalar hyperbolic conservation laws with heterogeneous storage coefficient and its application to porous media flow

MR Correa, MR Borges - International Journal for Numerical …, 2013 - Wiley Online Library
In this paper, we develop a new Godunov‐type semi‐discrete central scheme for a scalar
conservation law on the basis of a generalization of the Kurganov and Tadmor scheme …

Scaling Analysis of Two‐Phase Flow in Fractal Permeability Fields

Y Wang, J Mckinzie, F Furtado… - Water Resources …, 2020 - Wiley Online Library
Fluid mixing in permeable media is essential in many practical applications. The mixing
process is a consequence of velocity fluctuations owing to geological heterogeneities and …

On the linear advection equation subject to random velocity fields

FA Dorini, MCC Cunha - Mathematics and Computers in Simulation, 2011 - Elsevier
This paper deals with the random linear advection equation for which the time-dependent
velocity and the initial condition are independent random functions. Expressions for the …

A space–time multiscale method for computing statistical moments in strongly heterogeneous poroelastic media of evolving scales

JS Azevedo, MA Murad, MR Borges… - … journal for numerical …, 2012 - Wiley Online Library
SUMMARY A new multiscale procedure is proposed to compute flow in compressible
heterogeneous porous media with geology characterized by power‐law covariance …

Numerical modeling of degenerate equations in porous media flow: degenerate multiphase flow equations in porous media

E Abreu, D Conceição - Journal of scientific computing, 2013 - Springer
In this paper is introduced a new numerical formulation for solving degenerate nonlinear
coupled convection dominated parabolic systems in problems of flow and transport in …

An object-oriented framework for multiphysics problems combining different approximation spaces

AM Farias, PRB Devloo, SM Gomes, O Duran - Finite elements in analysis …, 2018 - Elsevier
An object-oriented framework is developed to implement discrete models in a monolithic
solution of coupled systems of partial differential equations by combining different kinds of …

Operator splitting multiscale finite volume element method for two-phase flow with capillary pressure

F Furtado, V Ginting, F Pereira, M Presho - Transport in porous media, 2011 - Springer
A numerical method used for solving a two-phase flow problem as found in typical oil
recovery is investigated in the setting of physics-based two-level operator splitting. The …