[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 …

Boundary and coupled boundary–finite element methods for transient wave–structure interaction

GC Hsiao, T Sánchez-Vizuet… - IMA Journal of Numerical …, 2017 - academic.oup.com
We propose time-domain boundary integral and coupled boundary integral and variational
formulations for acoustic scattering by linearly elastic obstacles. Well-posedness along with …

Fast convolution quadrature for the wave equation in three dimensions

L Banjai, M Kachanovska - Journal of Computational Physics, 2014 - Elsevier
This work addresses the numerical solution of time-domain boundary integral equations
arising from acoustic and electromagnetic scattering in three dimensions. The …

Convolution quadrature for wave simulations

M Hassell, FJ Sayas - Numerical Simulation in Physics and Engineering …, 2016 - Springer
These notes develop the algorithmic aspects of convolution equations and their
discretization by Convolution Quadrature, with an emphasis on the convolution equations …

Convolution quadrature for the wave equation with a nonlinear impedance boundary condition

L Banjai, A Rieder - Mathematics of Computation, 2018 - ams.org
A rarely exploited advantage of time-domain boundary integral equations compared to their
frequency counterparts is that they can be used to treat certain nonlinear problems. In this …

A fully discrete BEM–FEM scheme for transient acoustic waves

ME Hassell, FJ Sayas - Computer Methods in Applied Mechanics and …, 2016 - Elsevier
We study a symmetric BEM–FEM coupling scheme for the scattering of transient acoustic
waves by bounded inhomogeneous anisotropic obstacles in a homogeneous field. An …

A new and improved analysis of the time domain boundary integral operators for the acoustic wave equation

ME Hassell, T Qiu, T Sánchez-Vizuet, FJ Sayas - 2017 - projecteuclid.org
We present a novel analysis of the boundary integral operators associated to the wave
equation. The analysis is done entirely in the time-domain by employing tools from abstract …

The Costabel-Stephan system of boundary integral equations in the time domain

T Qiu, FJ Sayas - Mathematics of Computation, 2016 - ams.org
In this paper we formulate a transmission problem for the transient acoustic wave equation
as a system of retarded boundary integral equations. We then analyse a fully discrete …

Runge-Kutta convolution quadrature and FEM-BEM coupling for the time-dependent linear Schrödinger equation

JM Melenk, A Rieder - Journal of Integral Equations and …, 2017 - projecteuclid.org
We propose a numerical scheme to solve the time-dependent linear Schr\" odinger
equation. The discretization is carried out by combining a Runge-Kutta time stepping …

Energy estimates for Galerkin semidiscretizations of time domain boundary integral equations

FJ Sayas - Numerische Mathematik, 2013 - Springer
Energy estimates for Galerkin semidiscretizations of time domain boundary integral equations
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