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 …

An efficient framework for fast computer aided design of microwave circuits based on the higher-order 3D finite-element method

A Lamęcki, Ł Balewski, M Mrozowski - Radioengineering, 2014 - mostwiedzy.pl
In this paper, an efficient computational framework for the full-wave design by optimization of
complex microwave passive devices, such as antennas, filters, and multiplexers, is …

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 …

Dimensional synthesis of coupled-resonator pseudoelliptic microwave bandpass filters with constant and dispersive couplings

L Szydlowski, N Leszczynska… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we propose a novel technique for the dimensional synthesis of coupled-
resonator pseudoelliptic microwave filters with constant and dispersive couplings. The …

Parametrized local reduced-order models with compressed projection basis for fast parameter-dependent finite-element analysis

M Czarniewska, G Fotyga, A Lamecki… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper proposes an automated parametric local model-order reduction scheme for the
expedited design of microwave devices using the full-wave finite-element method (FEM) …

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 …

Reliable reduced-order model for fast frequency sweep in microwave circuits

V De La Rubia - Electromagnetics, 2014 - Taylor & Francis
In this work, a reduced-order model for a fast and reliable frequency sweep in microwave
circuits is proposed. A finite-element method approach is carried out for the circuit analysis …

Wideband macromodels in finite element method

G Fotyga, M Rewienski… - IEEE Microwave and …, 2015 - ieeexplore.ieee.org
This letter proposes a novel projection technique for accelerating Finite Element Method
simulations. The algorithm is based on the Second-order Arnoldi Method for Passive Order …

Automated reduced model order selection

M Rewieński, G Fotyga, A Lamecki… - IEEE Antennas and …, 2014 - ieeexplore.ieee.org
This letter proposes to automate generation of reduced-order models used for accelerated S-
parameter computation by applying a posteriori model error estimators. So far, a posteriori …

Regularized local multivariate reduced-order models with nonaffine parameter dependence

M Mul, V de la Rubia, G Fotyga… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This paper addresses a singular problem, not yet discussed in the literature, which occurs
when parametric reduced-order models are created using a subspace projection approach …