The nonlinear eigenvalue problem
Nonlinear eigenvalue problems arise in a variety of science and engineering applications,
and in the past ten years there have been numerous breakthroughs in the development of …
and in the past ten years there have been numerous breakthroughs in the development of …
A rational approximation method for solving acoustic nonlinear eigenvalue problems
We present two approximation methods for computing eigenfrequencies and eigenmodes of
large-scale nonlinear eigenvalue problems resulting from boundary element method (BEM) …
large-scale nonlinear eigenvalue problems resulting from boundary element method (BEM) …
Generalized rational Krylov decompositions with an application to rational approximation
M Berljafa, S Güttel - SIAM Journal on Matrix Analysis and Applications, 2015 - SIAM
Generalized rational Krylov decompositions are matrix relations which, under certain
conditions, are associated with rational Krylov spaces. We study the algebraic properties of …
conditions, are associated with rational Krylov spaces. We study the algebraic properties of …
Automatic rational approximation and linearization of nonlinear eigenvalue problems
P Lietaert, K Meerbergen, J Pérez… - IMA Journal of …, 2022 - academic.oup.com
We present a method for solving nonlinear eigenvalue problems (NEPs) using rational
approximation. The method uses the Antoulas–Anderson algorithm (AAA) of Nakatsukasa …
approximation. The method uses the Antoulas–Anderson algorithm (AAA) of Nakatsukasa …
Compact rational Krylov methods for nonlinear eigenvalue problems
We propose a new uniform framework of compact rational Krylov (CORK) methods for
solving large-scale nonlinear eigenvalue problems A(λ)x=0. For many years, linearizations …
solving large-scale nonlinear eigenvalue problems A(λ)x=0. For many years, linearizations …
FEAST eigensolver for nonlinear eigenvalue problems
The linear FEAST algorithm is a method for solving linear eigenvalue problems. It uses
complex contour integration to calculate the eigenvectors associated with eigenvalues that …
complex contour integration to calculate the eigenvectors associated with eigenvalues that …
[HTML][HTML] Calculating the full leaky Lamb wave spectrum with exact fluid interaction
DA Kiefer, M Ponschab, SJ Rupitsch… - The Journal of the …, 2019 - pubs.aip.org
Lamb waves are elastodynamic guided waves in plates and are used for non-destructive
evaluation, sensors, and material characterization. These applications rely on the …
evaluation, sensors, and material characterization. These applications rely on the …
[HTML][HTML] Rosenbrock's theorem on system matrices over elementary divisor domains
Rosenbrock's theorem on polynomial system matrices is a classical result in linear systems
theory that relates the Smith-McMillan form of a rational matrix G with the Smith form of an …
theory that relates the Smith-McMillan form of a rational matrix G with the Smith form of an …
Coupled BE–FE based vibroacoustic modal analysis and frequency sweep using a generalized resolvent sampling method
T Liang, J Wang, J **ao, L Wen - Computer Methods in Applied Mechanics …, 2019 - Elsevier
For several decades, the coupled boundary element and finite element (BE–FE) approach
has been recognized as a potential tool for modeling sound–structure interaction problems …
has been recognized as a potential tool for modeling sound–structure interaction problems …
Strong linearizations of rational matrices
This paper defines for the first time strong linearizations of arbitrary rational matrices, studies
in depth properties and characterizations of such linear matrix pencils, and develops …
in depth properties and characterizations of such linear matrix pencils, and develops …