Space–time finite element approximation of the Biot poroelasticity system with iterative coupling

M Bause, FA Radu, U Köcher - Computer Methods in Applied Mechanics …, 2017 - Elsevier
We analyze an optimized artificial fixed-stress iterative scheme for a space–time finite
element approximation of the Biot system modeling fluid flow in deformable porous media …

[HTML][HTML] On the convergence order of the finite element error in the kinetic energy for high Reynolds number incompressible flows

B García-Archilla, V John, J Novo - Computer Methods in Applied …, 2021 - Elsevier
The kinetic energy of a flow is proportional to the square of the L 2 (Ω) norm of the velocity.
Given a sufficient regular velocity field and a velocity finite element space with polynomials …

Convergence analysis of weak Galerkin finite element method for semilinear parabolic convection dominated diffusion equations on polygonal meshes

N Kumar, J Singh, R Jiwari - Computers & Mathematics with Applications, 2023 - Elsevier
In this paper, we present a convergence analysis of a weak Galerkin finite element method
(WG-FEM) using polygonal meshes for the semilinear singularly perturbed time-dependent …

Robust numerical methods for singularly perturbed differential equations: a survey covering 2008–2012

HG Roos - International Scholarly Research Notices, 2012 - Wiley Online Library
We present new results in the numerical analysis of singularly perturbed convection‐
diffusion‐reaction problems that have appeared in the last five years. Mainly discussing …

Analysis of a full space–time discretization of the Navier–Stokes equations by a local projection stabilization method

N Ahmed, TC Rebollo, V John… - IMA Journal of Numerical …, 2017 - academic.oup.com
A finite element error analysis of a local projection stabilization (LPS) method for the time-
dependent Navier–Stokes equations is presented. The focus is on the high-order term-by …

A three-field local projection stabilized formulation for computations of Oldroyd-B viscoelastic fluid flows

J Venkatesan, S Ganesan - Journal of Non-Newtonian Fluid Mechanics, 2017 - Elsevier
A new three-field formulation based on the Local Projection Stabilization (LPS) is developed
for computations of the coupled Navier–Stokes and Oldroyd-B viscoelastic constitutive …

Quantitative comparison of Taylor flow simulations based on sharp‐interface and diffuse‐interface models

S Aland, S Boden, A Hahn, F Klingbeil… - … Methods in Fluids, 2013 - Wiley Online Library
SUMMARY A pressure‐driven flow of elongated bullet‐shaped bubbles in a narrow channel
is known as Taylor flow or bubble‐train flow. This process is of relevance in various …

Finite difference approximations of multidimensional unsteady convection–diffusion–reaction equations

A Kaya - Journal of Computational Physics, 2015 - Elsevier
In this paper, the numerical approximation of unsteady convection–diffusion–reaction
equations with finite difference method on a special grid is studied in the convection or …

Spectral analysis of continuous FEM for hyperbolic PDEs: influence of approximation, stabilization, and time-stepping

S Michel, D Torlo, M Ricchiuto, R Abgrall - Journal of Scientific Computing, 2021 - Springer
We study continuous finite element dicretizations for one dimensional hyperbolic partial
differential equations. The main contribution of the paper is to provide a fully discrete …

[PDF][PDF] On a space-time extended finite element method for the solution of a class of two-phase mass transport problems

C Lehrenfeld - 2015 - publications.rwth-aachen.de
In the present thesis a new numerical method for the simulation of mass transport in an
incompressible immiscible two-phase flow system is presented. The mathematical model …