[KNYGA][B] Finite Elements

A Ern, JL Guermond - 2021 - Springer
Although the roots of the “Finite Element Method” can be found in the work of Courant [84],
the method really took off in the 1950's when engineers started to solve numerically …

Continuous interior penalty finite element method for the time-dependent Navier–Stokes equations: space discretization and convergence

E Burman, MA Fernández - Numerische Mathematik, 2007 - Springer
This paper focuses on the numerical analysis of a finite element method with stabilization for
the unsteady incompressible Navier–Stokes equations. Incompressibility and convective …

[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 …

Stabilized finite element methods for nonsymmetric, noncoercive, and ill-posed problems. Part I: Elliptic equations

E Burman - SIAM Journal on Scientific Computing, 2013 - SIAM
In this paper we propose a new method to stabilize nonsymmetric indefinite problems. The
idea is to solve a forward and an adjoint problem simultaneously using a suitable stabilized …

The q-derivative and applications to q-Szász Mirakyan operators

A Aral, V Gupta - Calcolo, 2006 - Springer
By using the properties of the q-derivative, we show that q-Szász Mirakyan operators are
convex, if the function involved is convex, generalizing well-known results for q= 1. We also …

Error analysis of non inf-sup stable discretizations of the time-dependent Navier–Stokes equations with local projection stabilization

J de Frutos, B García-Archilla, V John… - IMA Journal of …, 2019 - academic.oup.com
This paper studies non inf-sup stable finite element approximations to the evolutionary
Navier–Stokes equations. Several local projection stabilization (LPS) methods …

Local error estimates of the finite element method for an elliptic problem with a Dirac source term

S Bertoluzza, A Decoene, L Lacouture… - Numerical Methods for …, 2018 - Wiley Online Library
The solutions of elliptic problems with a Dirac measure right‐hand side are not in dimension
and therefore the convergence of the finite element solutions is suboptimal in the‐norm. In …

From suitable weak solutions to entropy viscosity

JL Guermond, R Pasquetti, B Popov - Quality and Reliability of Large-Eddy …, 2011 - Springer
This paper focuses on the notion of suitable weak solutions for the three-dimensional
incompressible Navier–Stokes equations and discusses the relevance of this notion to …

Analysis of the fully discrete fat boundary method

S Bertoluzza, M Ismail, B Maury - Numerische Mathematik, 2011 - Springer
Abstract The Fat Boundary Method is a method of the Fictitious Domain class, which was
proposed to solve elliptic problems in complex geometries with non-conforming meshes. It …

Parametric Finite Element Discretization of the Surface Stokes Equations

H Hardering, S Praetorius - arxiv preprint arxiv:2309.00931, 2023 - arxiv.org
We study a higher-order surface finite element (SFEM) penalty-based discretization of the
tangential surface Stokes problem. Several discrete formulations are investigated which are …