Review of multi-fidelity models

MG Fernández-Godino - arXiv preprint arXiv:1609.07196, 2016 - arxiv.org
This article provides an overview of multi-fidelity modeling trends. Fidelity in modeling refers
to the level of detail and accuracy provided by a predictive model or simulation. Generally …

Advanced RF and microwave design optimization: A journey and a vision of future trends

JE Rayas-Sánchez, S Koziel… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
In this paper, we outline the historical evolution of RF and microwave design optimization
and envisage imminent and future challenges that will be addressed by the next generation …

Multifeature-assisted neuro-transfer function surrogate-based EM optimization exploiting trust-region algorithms for microwave filter design

F Feng, W Na, W Liu, S Yan, L Zhu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This article proposes a multifeature-assisted neuro-transfer function (neuro-TF) surrogate-
based electromagnetic (EM) optimization technique exploiting trust-region algorithms for …

A sequential multi-fidelity metamodeling approach for data regression

Q Zhou, Y Wang, SK Choi, P Jiang, X Shao… - Knowledge-Based …, 2017 - Elsevier
Multi-fidelity (MF) metamodeling approaches have attracted significant attention recently for
data regression because they can make a trade-off between high accuracy and low …

A generalized hierarchical co-Kriging model for multi-fidelity data fusion

Q Zhou, Y Wu, Z Guo, J Hu, P Jin - Structural and Multidisciplinary …, 2020 - Springer
Multi-fidelity (MF) surrogate models have shown great potential in simulation-based design
since they can make a trade-off between high prediction accuracy and low computational …

[HTML][HTML] On nature-inspired design optimization of antenna structures using variable-resolution EM models

S Koziel, A Pietrenko-Dabrowska - Scientific Reports, 2023 - nature.com
Numerical optimization has been ubiquitous in antenna design for over a decade or so. It is
indispensable in handling of multiple geometry/material parameters, performance goals …

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 …

Polynomial-based surrogate modeling of RF and microwave circuits in frequency domain exploiting the multinomial theorem

JL Chávez-Hurtado… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A general formulation to develop electromagnetic-based polynomial surrogate models in the
frequency domain utilizing the multinomial theorem is presented in this paper. Our approach …

Advanced parallel space-mapping-based multiphysics optimization for high-power microwave filters

W Zhang, F Feng, W Liu, S Yan, J Zhang… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Space mapping is a recognized surrogate-based optimization method to accelerate the
electromagnetic (EM) design. In this article, for the first time, space mapping is elevated from …

Multi-output Gaussian process prediction for computationally expensive problems with multiple levels of fidelity

Q Lin, J Hu, Q Zhou, Y Cheng, Z Hu, I Couckuyt… - Knowledge-Based …, 2021 - Elsevier
The multi-output Gaussian process (MOGP) modeling approach is a promising way to deal
with multiple correlated outputs since it can capture useful information across outputs to …