An introduction to operator preconditioning for the fast iterative integral equation solution of time-harmonic scattering problems
X Antoine, M Darbas - Multiscale Science and Engineering, 2021 - Springer
The aim of this paper is to provide an introduction to the improved iterative Krylov solution of
boundary integral equations for time-harmonic scattering problems arising in acoustics …
boundary integral equations for time-harmonic scattering problems arising in acoustics …
An application of the boundary element method (BEM) to the calculation of the single-scattering properties of very complex ice crystals in the microwave and sub …
To improve the prediction of weather and climate models there is a need for the accurate
computation of the single-scattering properties of randomly oriented complex atmospheric …
computation of the single-scattering properties of randomly oriented complex atmospheric …
[HTML][HTML] Retrieval of terahertz ice cloud properties from airborne measurements based on the irregularly shaped Voronoi ice scattering models
Currently, terahertz remote sensing technology is one of the best ways to detect the
microphysical properties of ice clouds. Influenced by the representativeness of the ice crystal …
microphysical properties of ice clouds. Influenced by the representativeness of the ice crystal …
A fast converging resonance-free global multi-trace method for scattering by partially coated composite structures
S Lasisi, TM Benson, G Gradoni… - … on Antennas and …, 2022 - ieeexplore.ieee.org
Global and local multitrace formulations (MTFs) provide a flexible and efficient method for
the modeling of scattering and transmission of time harmonic electromagnetic (EM) waves …
the modeling of scattering and transmission of time harmonic electromagnetic (EM) waves …
Toward better constrained scattering models for natural ice crystals in the visible region
G Xu, F Waitz, S Wagner, F Nehlert… - Journal of …, 2023 - Wiley Online Library
In this work, we introduce a method for constraining the optical scattering models of natural
ice crystals based on in‐situ measurements. Specifically the measured angular scattering …
ice crystals based on in‐situ measurements. Specifically the measured angular scattering …
[HTML][HTML] The first microwave and submillimetre closure study using particle models of oriented ice hydrometeors to simulate polarimetric measurements of ice clouds
K McCusker, AJ Baran, C Westbrook… - Atmospheric …, 2024 - amt.copernicus.org
The first closure study involving passive microwave and submillimetre measurements of ice
clouds with the consideration of oriented particles is presented, using a unique combination …
clouds with the consideration of oriented particles is presented, using a unique combination …
Shape Uncertainty Quantification for Electromagnetic Wave Scattering via First-Order Sparse Boundary Element Approximation
P Escapil-Inchauspé… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Quantifying the effects on electromagnetic waves scattered by objects of uncertain shape is
key for robust design, particularly in high-precision applications. Assuming small random …
key for robust design, particularly in high-precision applications. Assuming small random …
Bi-parametric operator preconditioning
P Escapil-Inchauspé, C Jerez-Hanckes - Computers & Mathematics with …, 2021 - Elsevier
We extend the operator preconditioning framework Hiptmair (2006)[10] to Petrov-Galerkin
methods while accounting for parameter-dependent perturbations of both variational forms …
methods while accounting for parameter-dependent perturbations of both variational forms …
Local multiple traces formulation for electromagnetics: Stability and preconditioning for smooth geometries
We consider the time-harmonic electromagnetic transmission problem for the unit sphere.
Appealing to a vector spherical harmonics analysis, we prove the first stability result of the …
Appealing to a vector spherical harmonics analysis, we prove the first stability result of the …
Accelerated Calderón preconditioning for electromagnetic scattering by multiple absorbing dielectric objects
A Kleanthous - 2021 - discovery.ucl.ac.uk
We consider electromagnetic scattering by multiple absorbing dielectric objects using the
PMCHWT boundary integral equation formulation. Galerkin discretisation of this formulation …
PMCHWT boundary integral equation formulation. Galerkin discretisation of this formulation …