[图书][B] Finite element methods for incompressible flow problems

V John - 2016 - Springer
Incompressible flow problems appear in many models of physical processes and
applications. Their numerical simulation requires in particular a spatial discretization. Finite …

On the role of the Helmholtz decomposition in mixed methods for incompressible flows and a new variational crime

A Linke - Computer methods in applied mechanics and …, 2014 - Elsevier
According to the Helmholtz decomposition, the irrotational parts of the momentum balance
equations of the incompressible Navier–Stokes equations are balanced by the pressure …

A finite volume method for the Laplace equation on almost arbitrary two-dimensional grids

K Domelevo, P Omnes - ESAIM: Mathematical Modelling and …, 2005 - cambridge.org
We present a finite volume method based on the integration of the Laplace equation on both
the cells of a primal almost arbitrary two-dimensional mesh and those of a dual mesh …

An interface-fitted mesh generator and virtual element methods for elliptic interface problems

L Chen, H Wei, M Wen - Journal of Computational Physics, 2017 - Elsevier
A simple and efficient interface-fitted mesh generation algorithm which can produce a semi-
structured interface-fitted mesh in two and three dimensions quickly is developed in this …

Finite elements for scalar convection-dominated equations and incompressible flow problems: a never ending story?

V John, P Knobloch, J Novo - Computing and Visualization in Science, 2018 - Springer
The contents of this paper is twofold. First, important recent results concerning finite element
methods for convection-dominated problems and incompressible flow problems are …

Crouzeix-Raviart type finite elements on anisotropic meshes

T Apel, S Nicaise, J Schöberl - Numerische Mathematik, 2001 - Springer
The paper deals with a non-conforming finite element method on a class of anisotropic
meshes. The Crouzeix-Raviart element is used on triangles and tetrahedra. For rectangles …

A balanced finite element method for singularly perturbed reaction-diffusion problems

R Lin, M Stynes - SIAM Journal on Numerical Analysis, 2012 - SIAM
Consider the singularly perturbed linear reaction-diffusion problem -ε^2Δu+bu=f in Ω⊂R^d,
u=0 on ∂Ω, where d≥1, the domain Ω is bounded with (when d≥2) Lipschitz-continuous …

A virtual finite element method for two-dimensional Maxwell interface problems with a background unfitted mesh

S Cao, L Chen, R Guo - … Models and Methods in Applied Sciences, 2021 - World Scientific
A virtual element method (VEM) with the first-order optimal convergence order is developed
for solving two-dimensional Maxwell interface problems on a special class of polygonal …

[PDF][PDF] Asymptotic lower bounds for eigenvalues by nonconforming finite element methods

MG Armentano, RG Durán - Electron. Trans. Numer. Anal, 2004 - etna.ricam.oeaw.ac.at
We analyze the approximation obtained for the eigenvalues of the Laplace operator by the
nonconforming piecewise linear finite element of Crouzeix-Raviart. For singular …

Immersed virtual element methods for electromagnetic interface problems in three dimensions

S Cao, L Chen, R Guo - … Models and Methods in Applied Sciences, 2023 - World Scientific
Finite element methods for electromagnetic problems modeled by Maxwell-type equations
are highly sensitive to the conformity of approximation spaces, and non-conforming methods …