Digital twin-based structural health monitoring by combining measurement and computational data: An aircraft wing example

X Lai, L Yang, X He, Y Pang, X Song, W Sun - Journal of Manufacturing …, 2023 - Elsevier
Digital twin is a concept that utilizes digital technologies to mirror the real-time states of
physical assets and extract the hidden yet valuable information of physical assets for …

Review of multi-fidelity models

MG Fernández-Godino - arxiv preprint arxiv:1609.07196, 2016 - arxiv.org
Multi-fidelity models provide a framework for integrating computational models of varying
complexity, allowing for accurate predictions while optimizing computational resources …

Issues in deciding whether to use multifidelity surrogates

M Giselle Fernández-Godino, C Park, NH Kim… - Aiaa Journal, 2019 - arc.aiaa.org
Multifidelity surrogates are essential in cases where it is not affordable to have more than a
few high-fidelity samples, but it is affordable to have as many low-fidelity samples as …

Application of deep learning based multi-fidelity surrogate model to robust aerodynamic design optimization

J Tao, G Sun - Aerospace Science and Technology, 2019 - Elsevier
In the present work, a multi-fidelity surrogate-based optimization framework is proposed, and
then applied to the robust optimizations for airfoil and wing under uncertainty of Mach …

A multi-fidelity surrogate model based on extreme support vector regression: Fusing different fidelity data for engineering design

ML Shi, L Lv, L Xu - Engineering Computations, 2023 - emerald.com
Purpose Extreme support vector regression (ESVR) has been widely used in the design,
analysis and optimization of engineering systems of its fast training speed and good …

A radial basis function-based multi-fidelity surrogate model: exploring correlation between high-fidelity and low-fidelity models

X Song, L Lv, W Sun, J Zhang - Structural and Multidisciplinary …, 2019 - Springer
In computational simulation, a high-fidelity (HF) model is generally more accurate than a low-
fidelity (LF) model, while the latter is generally more computationally efficient than the …

A multi-fidelity surrogate model based on support vector regression

M Shi, L Lv, W Sun, X Song - Structural and Multidisciplinary Optimization, 2020 - Springer
Computational simulations with different fidelities have been widely used in engineering
design and optimization. A high-fidelity (HF) model is generally more accurate but also more …

Building a lightweight digital twin of a crane boom for structural safety monitoring based on a multifidelity surrogate model

X Lai, X He, S Wang, X Wang… - Journal of …, 2022 - asmedigitalcollection.asme.org
Undetected fatigue and overload damages at the key locations of the crane boom are
among the biggest threats in construction, leading to structural failure. Thus, the structural …

Multi-fidelity Bayesian optimization in engineering design

B Do, R Zhang - arxiv preprint arxiv:2311.13050, 2023 - arxiv.org
Resided at the intersection of multi-fidelity optimization (MFO) and Bayesian optimization
(BO), MF BO has found a niche in solving expensive engineering design optimization …

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

Q Zhou, Y Wu, Z Guo, J Hu, P ** - 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 …