Recent advances in the DtN FE method

D Givoli - Archives of Computational Methods in Engineering, 1999 - Springer
Summary The Dirichlet-to-Neumann (DtN) Finite Element Method is a general technique for
the solution of problems in unbounded domains, which arise in many fields of application. Its …

Exact representations on artificial interfaces and applications in mechanics

D Givoli - 1999 - asmedigitalcollection.asme.org
In various areas of applied mechanics, there are instances where it is necessary or
beneficial to represent the behavior of a mechanical system on an artificial boundary, or …

[图书][B] Combined methods for elliptic equations with singularities, interfaces and infinities

ZC Li - 2013 - books.google.com
In this book the author sets out to answer two important questions: 1. Which numerical
methods may be combined together? 2. How can different numerical methods be matched …

Singularities and treatments of elliptic boundary value problems

ZC Li, TT Lu - Mathematical and Computer Modelling, 2000 - Elsevier
This paper provides a survey for treatments for singularity problems of elliptic equations. We
take the Laplace equation on polygons as an example, and choose Motz's problem as a …

Dirichlet-to-Neumann maps for unbounded wave guides

I Harari, I Patlashenko, D Givoli - Journal of Computational Physics, 1998 - Elsevier
Dirichlet-to-Neumann (DtN) boundary conditions for unbounded wave guides in two and
three dimensions are derived and analyzed, defining problems that are suitable for finite …

An augmented mixed-primal finite element method for a coupled flow-transport problem

M Alvarez, GN Gatica, R Ruiz–Baier - ESAIM: Mathematical Modelling …, 2015 - numdam.org
In this paper we analyze the coupling of a scalar nonlinear convection-diffusion problem
with the Stokes equations where the viscosity depends on the distribution of the solution to …

A Banach spaces-based analysis of a new mixed-primal finite element method for a coupled flow-transport problem

GA Benavides, S Caucao, GN Gatica… - Computer Methods in …, 2020 - Elsevier
In this paper we introduce and analyze a new finite element method for a strongly coupled
flow and transport problem in R n, n∈{2, 3}, whose governing equations are given by a …

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 …

[PDF][PDF] Adaptive coupling of boundary elements and finite elements

C Carstensen, EP Stephan - ESAIM: Mathematical Modelling and …, 1995 - numdam.org
In this note we present an h-adaptive procedure for the symmetrie coupling of boundary
element andfinite éléments meîhods for two-dimensional linear and nonlinear interface …

Coupling of mixed finite elements and boundary elements for linear and nonlinear elliptic problems

GN Gatica, GN Gatica, WL Wendland… - Applicable …, 1996 - Taylor & Francis
In this paper we apply the coupling of mixed finite element and boundary integral methods
for solving some class of linear and nonlinear elliptic boundary value problems. As a model …