Effect of lossy thin-walled cylindrical food containers on microwave heating performance

H Zhu, J Su, F Yang, Y Wu, J Ye, K Huang… - Journal of Food …, 2023 - Elsevier
Cylindrical containers are commonly used in microwave food processing applications.
However, due to the shape effect, microwave energy mainly focuses in the center of the …

Low-cost modeling of microwave components by means of two-stage inverse/forward surrogates and domain confinement

S Koziel, A Pietrenko-Dabrowska… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Full-wave electromagnetic (EM) analysis is one of the most important tools in the design of
modern microwave components and systems. EM simulation permits reliable evaluation of …

Improved-efficacy EM-driven optimization of antenna structures using adaptive design specifications and variable-resolution models

S Koziel, A Pietrenko-Dabrowska - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Optimization-driven parameter tuning is an essential step in the design of antenna systems.
Although in many cases, it is still conducted through parametric studies, rigorous numerical …

Two-stage variable-fidelity modeling of antennas with domain confinement

A Pietrenko-Dabrowska, S Koziel, L Golunski - Scientific Reports, 2022 - nature.com
Surrogate modeling has become the method of choice in solving an increasing number of
antenna design tasks, especially those involving expensive full-wave electromagnetic (EM) …

Recent advances in high frequency modeling by means of domain confinement and nested kriging

S Koziel, A Pietrenko-Dabrowska - IEEE Access, 2020 - ieeexplore.ieee.org
Development of modern high-frequency components and circuits is heavily based on full-
wave electromagnetic (EM) simulation tools. Some phenomena, although important from the …

Parallel gradient-based EM optimization for microwave components using adjoint-sensitivity-based neuro-transfer function surrogate

F Feng, W Na, W Liu, S Yan, L Zhu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article proposes a novel parallel gradient-based electromagnetic (EM) optimization
approach to microwave components using adjoint-sensitivity-based neuro-transfer function …

Improved modeling of microwave structures using performance-driven fully-connected regression surrogate

S Koziel, P Mahouti, N Calik, MA Belen… - Ieee …, 2021 - ieeexplore.ieee.org
Fast replacement models (or surrogates) have been widely applied in the recent years to
accelerate simulation-driven design procedures in microwave engineering. The …

A novel training approach for parametric modeling of microwave passive components using Padé via Lanczos and EM sensitivities

J Zhang, F Feng, W Zhang, J **, J Ma… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article proposes a novel training approach for parametric modeling of microwave
passive components with respect to changes in geometrical parameters using matrix Padé …

Rapid antenna optimization with restricted sensitivity updates by automated dominant direction identification

A Pietrenko-Dabrowska, S Koziel - Knowledge-Based Systems, 2023 - Elsevier
Meticulous tuning of geometry parameters turns pivotal in improving performance of antenna
systems. It is more and more often realized using formal optimization methods, which is …

Expedited variable-resolution surrogate modeling of miniaturized microwave passives in confined domains

S Koziel, A Pietrenko-Dabrowska - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The design of miniaturized microwave components is largely based on computational
models, primarily, full-wave electromagnetic (EM) simulations. The EM analysis is capable of …