Digital twin: Values, challenges and enablers from a modeling perspective

A Rasheed, O San, T Kvamsdal - IEEE access, 2020 - ieeexplore.ieee.org
Digital twin can be defined as a virtual representation of a physical asset enabled through
data and simulators for real-time prediction, optimization, monitoring, controlling, and …

SAFE: Scale-adaptive fitness evaluation method for expensive optimization problems

SH Wu, ZH Zhan, J Zhang - IEEE Transactions on Evolutionary …, 2021 - ieeexplore.ieee.org
The key challenge of expensive optimization problems (EOP) is that evaluating the true
fitness value of the solution is computationally expensive. A common method to deal with …

Digital twin: Values, challenges and enablers

A Rasheed, O San, T Kvamsdal - arXiv preprint arXiv:1910.01719, 2019 - arxiv.org
A digital twin can be defined as an adaptive model of a complex physical system. Recent
advances in computational pipelines, multiphysics solvers, artificial intelligence, big data …

[HTML][HTML] Methods for enabling real-time analysis in digital twins: A literature review

MS Es-haghi, C Anitescu, T Rabczuk - Computers & Structures, 2024 - Elsevier
This paper presents a literature review on methods for enabling real-time analysis in digital
twins, which are virtual models of physical systems. The advantages of digital twins are …

[图书][B] Antenna design by simulation-driven optimization

S Koziel, S Ogurtsov - 2014 - Springer
Design of contemporary antenna structures heavily relies on electromagnetic (EM)
simulations. Accurate reflection and radiation responses of many antenna geometries can …

A multi-fidelity surrogate-model-assisted evolutionary algorithm for computationally expensive optimization problems

B Liu, S Koziel, Q Zhang - Journal of computational science, 2016 - Elsevier
Integrating data-driven surrogate models and simulation models of different accuracies (or
fidelities) in a single algorithm to address computationally expensive global optimization …

Multi-objective design of antennas using variable-fidelity simulations and surrogate models

S Koziel, S Ogurtsov - IEEE Transactions on Antennas and …, 2013 - ieeexplore.ieee.org
A computationally-efficient procedure for multi-objective design of antenna structures is
presented. Our approach exploits the multi-objective evolutionary algorithm (MOEA) working …

Surrogate-assisted quasi-Newton enhanced global optimization of antennas based on a heuristic hypersphere sampling

Z Zhang, HC Chen, QS Cheng - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This communication presents a novel surrogate-assisted quasi-Newton enhanced global
optimization (SA-QNEGO) algorithm. In this proposed method, the heuristic hypersphere …

[图书][B] Multi-objective design of antennas using surrogate models

S Koziel, A Bekasiewicz - 2016 - books.google.com
This book addresses computationally-efficient multi-objective optimization of antenna
structures using variable-fidelity electromagnetic simulations, surrogate modeling …

Efficient multi-objective simulation-driven antenna design using co-kriging

S Koziel, A Bekasiewicz, I Couckuyt… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
A methodology for fast multi-objective antenna optimization is presented. Our approach is
based on response surface approximation (RSA) modeling and variable-fidelity …