Coupling of Finite and Boundary Elements for Transient Eddy Current Problems

Symmetric Coupling for Eddy Current Problems

A coupling procedure for modeling acoustic problems using finite elements and boundary elements

Finite element (FEM) and boundary element (BEM) methods have been used for a long time for the numerical simulation of acoustic problems. The development presented in this paper deals with a general procedure for coupling acoustic finite elements with acoustic boundary elements in order to solve efficiently acoustic problems involving non homogeneous fluids. Emphasis is made on problems where f...

Coupling of Mixed Finite Elements and Boundary Elements

The symmetric coupling of mixed nite element and boundary element methods is analysed for a model interface problem with the Laplacian. The coupling involves a further continuous ansatz function on the interface to link the discontinuous displacement eld to the necessarily continuous boundary ansatz function. Quasi-optimal a priori error estimates and sharp a posteriori error estimates are esta...

Artificial boundary conditions for axisymmetric eddy current probe problems

We study different strategies for the truncation of computational domains in the simulation of eddy current probes of elongated axisymmetric tubes. For axial fictitious boundaries, an exact Dirichlet-to-Neumann (DtN) map is proposed and mathematically justified via the analysis of a nonselfadjoint spectral problem. We rely of results from the spectral theory of compact perturbations of selfadjo...

Coupling of Finite Elements and Boundary Elementsin Electromagnetic