An -conforming virtual element for Darcy and Brinkman equations

G Vacca - Mathematical Models and Methods in Applied …, 2018 - World Scientific
The focus of this paper is on develo** a virtual element method (VEM) for Darcy and
Brinkman equations. In [L. Beirão da Veiga, C. Lovadina and G. Vacca, ESAIM Math. Model …

A mixed virtual element method for the Brinkman problem

E Cáceres, GN Gatica, FA Sequeira - Mathematical Models and …, 2017 - World Scientific
In this paper, we introduce and analyze a mixed virtual element method (mixed-VEM) for the
two-dimensional Brinkman model of porous media flow with non-homogeneous Dirichlet …

A Hybrid High-Order discretisation of the Brinkman problem robust in the Darcy and Stokes limits

L Botti, DA Di Pietro, J Droniou - Computer Methods in Applied Mechanics …, 2018 - Elsevier
In this work, we develop and analyse a novel Hybrid High-Order discretisation of the
Brinkman problem. The method hinges on hybrid discrete velocity unknowns at faces and …

An Augmented Mixed Finite Element Method for the Navier--Stokes Equations with Variable Viscosity

J Camano, GN Gatica, R Oyarzúa, G Tierra - SIAM Journal on Numerical …, 2016 - SIAM
A new mixed variational formulation for the Navier--Stokes equations with constant density
and variable viscosity depending nonlinearly on the gradient of velocity, is proposed and …

A C1-virtual element method of high order for the Brinkman equations in stream function formulation with pressure recovery

D Mora, C Reales, A Silgado - IMA Journal of Numerical …, 2022 - academic.oup.com
In this paper, we propose and analyze a-virtual element method of high order to solve the
Brinkman problem formulated in terms of the stream function. The velocity is obtained as a …

A new staggered DG method for the Brinkman problem robust in the Darcy and Stokes limits

L Zhao, E Chung, MF Lam - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
In this paper we propose a novel staggered discontinuous Galerkin method for the Brinkman
problem on general polygonal meshes. The proposed method is robust in the Stokes and …

A weak Galerkin pseudostress-based mixed finite element method on polygonal meshes: application to the Brinkman problem appearing in porous media

Z Gharibi - Numerical Algorithms, 2024 - Springer
In this paper, we extend the utilization of pseudostress-based formulation, recently
employed for solving diverse linear and nonlinear problems in continuum mechanics via …

A new optimal error analysis of a mixed finite element method for advection–diffusion–reaction Brinkman flow

H Gao, W **e - Numerical Methods for Partial Differential …, 2024 - Wiley Online Library
This article deals with the error analysis of a Galerkin‐mixed finite element methods for the
advection–reaction–diffusion Brinkman flow in porous media. Numerical methods for …

Analysis and approximation of a vorticity–velocity–pressure formulation for the Oseen equations

V Anaya, A Bouharguane, D Mora, C Reales… - Journal of Scientific …, 2019 - Springer
We introduce a family of mixed methods and discontinuous Galerkin discretisations
designed to numerically solve the Oseen equations written in terms of velocity, vorticity, and …

A vorticity-based fully-mixed formulation for the 3D Brinkman–Darcy problem

M Alvarez, GN Gatica, R Ruiz-Baier - Computer Methods in Applied …, 2016 - Elsevier
We propose and analyze a fully-mixed finite element method to numerically approximate the
flow patterns of a viscous fluid within a highly permeable medium (an array of low …