Convolution quadrature for the wave equation with impedance boundary conditions
SA Sauter, M Schanz - Journal of Computational Physics, 2017 - Elsevier
We consider the numerical solution of the wave equation with impedance boundary
conditions and start from a boundary integral formulation for its discretization. We develop …
conditions and start from a boundary integral formulation for its discretization. We develop …
The domain derivative in inverse obstacle scattering with nonlinear impedance boundary condition
L Fink, F Hettlich - Inverse Problems, 2023 - iopscience.iop.org
In this paper an inverse obstacle scattering problem for the Helmholtz equation with
nonlinear impedance boundary condition is considered. For a certain class of nonlinearities …
nonlinear impedance boundary condition is considered. For a certain class of nonlinearities …
Time domain boundary elements for dynamic contact problems
H Gimperlein, F Meyer, C Özdemir… - Computer Methods in …, 2018 - Elsevier
This article considers a unilateral contact problem for the wave equation. The problem is
reduced to a variational inequality for the Dirichlet-to-Neumann operator for the wave …
reduced to a variational inequality for the Dirichlet-to-Neumann operator for the wave …
An overview on a time discrete convolution—space collocation BEM for 2D exterior wave propagation problems
S Falletta, G Monegato, L Scuderi - ANNALI DELL'UNIVERSITA'DI …, 2022 - Springer
We consider 2D transient linear wave propagation problems defined in the exterior of
bounded domains. In particular, we first consider the problem represented by the classical …
bounded domains. In particular, we first consider the problem represented by the classical …
A probabilistic scheme for semilinear nonlocal diffusion equations with volume constraints
This work presents a probabilistic scheme for solving semilinear nonlocal diffusion
equations with volume constraints and integrable kernels. The nonlocal model of interest is …
equations with volume constraints and integrable kernels. The nonlocal model of interest is …
Time-dependent electromagnetic scattering from dispersive materials
This paper studies time-dependent electromagnetic scattering from obstacles that are
described by dispersive material laws. We consider the numerical treatment of a scattering …
described by dispersive material laws. We consider the numerical treatment of a scattering …
Time-dependent electromagnetic scattering from thin layers
The scattering of electromagnetic waves from obstacles with wave-material interaction in
thin layers on the surface is described by generalized impedance boundary conditions …
thin layers on the surface is described by generalized impedance boundary conditions …
Runge–Kutta convolution coercivity and its use for time-dependent boundary integral equations
A coercivity property of temporal convolution operators is an essential tool in the analysis of
time-dependent boundary integral equations and their space and time discretizations. It is …
time-dependent boundary integral equations and their space and time discretizations. It is …
Numerical analysis for electromagnetic scattering with nonlinear boundary conditions
J Nick - Mathematics of Computation, 2024 - ams.org
This work studies time-dependent electromagnetic scattering from obstacles whose
interaction with the wave is fully determined by a nonlinear boundary condition. In particular …
interaction with the wave is fully determined by a nonlinear boundary condition. In particular …
Time-dependent acoustic scattering from generalized impedance boundary conditions via boundary elements and convolution quadrature
Generalized impedance boundary conditions are effective approximate boundary conditions
that describe scattering of waves in situations where the wave interaction with the material …
that describe scattering of waves in situations where the wave interaction with the material …