[PDF][PDF] Time-dependent problems with the boundary integral equation method

M Costabel, FJ Sayas - Encyclopedia of computational …, 2004 - perso.univ-rennes1.fr
Time-dependent problems that are modeled by initial-boundary value problems for
parabolic or hyperbolic partial differential equations can be treated with the boundary …

Adaptive quadrature rules for Galerkin BEM

J Tausch - Computers & Mathematics with Applications, 2022 - Elsevier
The singular integrals in the Galerkin Boundary Element Method are usually treated using
singularity removing transformations. The regularized integrals are approximated by tensor …

Space-time boundary element methods for the heat equation

S Dohr, K Niino, O Steinbach - Space-Time Methods, 2019 - degruyter.com
In this chapter, we describe a space-time boundary element method for the numerical
solution of the time-dependent heat equation. As model problem, we consider the initial …

An efficient Galerkin boundary element method for the transient heat equation

M Messner, M Schanz, J Tausch - SIAM Journal on Scientific Computing, 2015 - SIAM
We present boundary integral representations of several initial boundary value problems
related to the heat equation. A Galerkin discretization with piecewise constant functions in …

A parallel fast multipole method for a space-time boundary element method for the heat equation

R Watschinger, M Merta, G Of, J Zapletal - SIAM Journal on Scientific …, 2022 - SIAM
We present a novel approach to the parallelization of the parabolic fast multipole method for
a space-time boundary element method for the heat equation. We exploit the special …

[HTML][HTML] A parallel space–time boundary element method for the heat equation

S Dohr, J Zapletal, G Of, M Merta… - Computers & Mathematics …, 2019 - Elsevier
In this paper we introduce a new parallel solver for the weakly singular space–time
boundary integral equation for the heat equation. The space–time boundary mesh is …

Boundary integral solvers for an evolutionary exterior Stokes problem

C Bacuta, ME Hassell, GC Hsiao, FJ Sayas - SIAM Journal on Numerical …, 2015 - SIAM
This paper proposes and analyzes a full discretization of the exterior transient Stokes
problem with Dirichlet boundary conditions. The method is based on a single layer boundary …

Fast integral equation methods for linear and semilinear heat equations in moving domains

J Wang, L Greengard, S Jiang… - arXiv preprint arXiv …, 2019 - arxiv.org
We present a family of integral equation-based solvers for the linear or semilinear heat
equation in complicated moving (or stationary) geometries. This approach has significant …

Quadrature for parabolic Galerkin BEM with moving surfaces

N Manson, J Tausch - Computers & Mathematics with Applications, 2019 - Elsevier
The successful implementation of the Galerkin Boundary Element Method hinges on the
accurate and effective quadrature of the influence coefficients. For parabolic boundary …

A fast sparse grid based space–time boundary element method for the nonstationary heat equation

H Harbrecht, J Tausch - Numerische Mathematik, 2018 - Springer
This article presents a fast sparse grid based space–time boundary element method for the
solution of the nonstationary heat equation. We make an indirect ansatz based on the …