Step on it bringing fullwave finite-element microwave filter design up to speed

L Balewski, G Fotyga, M Mrozowski… - IEEE microwave …, 2020 - ieeexplore.ieee.org
There are many steps in the design of a microwave filter: mathematically describing the filter
characteristics, representing the circuit as a network of lumped elements or as a coupling …

Description of microwave circuits via the reduced-basis method giving physical insight

V de la Rubia - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
A description of electromagnetics by means of the reduced-basis method (RBM), which
gives physical insight, is detailed. Contrary to what has been previously done to get further …

A subspace-splitting moment-matching model-order reduction technique for fast wideband FEM simulations of microwave structures

D Szypulski, G Fotyga, V de la Rubia… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article describes a novel model-order reduction (MOR) approach for efficient wide
frequency band finite-element method (FEM) simulations of microwave components. It relies …

Greedy multipoint model-order reduction technique for fast computation of scattering parameters of electromagnetic systems

M Rewieński, A Lamecki… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper attempts to develop a new automated multipoint model-order reduction (MOR)
technique, based on matching moments of the system input-output function, which would be …

A goal-oriented error estimator for reduced basis method modeling of microwave devices

M Rewieński, A Lame… - IEEE Microwave and …, 2015 - ieeexplore.ieee.org
This letter proposes a novel a-posteriori error estimator suitable for the reduced order
modeling of microwave circuits. Unlike the existing error estimators based on impedance …

An MOR algorithm based on the immittance zero and pole eigenvectors for fast FEM simulations of two-port microwave structures

G Fotyga, D Szypulski, A Lamecki… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The aim of this article is to present a novel model-order reduction (MOR) algorithm for fast
finite-element frequency-domain simulations of microwave two-port structures. The …

Spurious modes in model order reduction in variational problems in electromagnetics

V De La Rubia, D Young, G Fotyga… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this work, we address an everlasting issue in model order reduction (MOR) in
electromagnetics that has remained unnoticed until now. Contrary to what has been …

Inf-sup-constant-free state error estimator for model order reduction of parametric systems in electromagnetics

S Chellappa, L Feng, V de la Rubia… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A reliable model order reduction (MOR) process for parametric analysis in electromagnetics
is detailed. Special emphasis is placed on certifying the accuracy of the reduced-order …

Accelerating the BoR-FIT-MoM Method with the Use of the Model Order Reduction Technique

AA Kucharski - IEEE Transactions on Antennas and …, 2024 - ieeexplore.ieee.org
In this communication, the finite-integration technique/method-of-moments (FIT-MoM) hybrid
method, introduced for the analysis of electromagnetic scattering by inhomogeneous bodies …

Physics-based greedy algorithm for reliable fast frequency sweep in electromagnetics via the reduced-basis method

V de la Rubia - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
A reliable fast frequency sweep model order reduction (MOR) process is detailed. A reduced-
basis approximation is taken into account to accurately and efficiently describe the …