Recent advances in surrogate modeling methods for uncertainty quantification and propagation
C Wang, X Qiang, M Xu, T Wu - Symmetry, 2022 - mdpi.com
Surrogate-model-assisted uncertainty treatment practices have been the subject of
increasing attention and investigations in recent decades for many symmetrical engineering …
increasing attention and investigations in recent decades for many symmetrical engineering …
A novel load-dependent sensor placement method for model updating based on time-dependent reliability optimization considering multi-source uncertainties
An effective sensor network with an appropriate sensor configuration is the first step of
model updating to obtain the actual structural response. However, sensor placements based …
model updating to obtain the actual structural response. However, sensor placements based …
Homotopy based stochastic finite element model updating with correlated static measurement data
This paper focuses on studying the impaction of the correlation between the measurement
data on structural model updating. A new homotopy based stochastic finite element model …
data on structural model updating. A new homotopy based stochastic finite element model …
Uncertainties in the attenuation performance of a multi-frequency metastructure from additive manufacturing
Additive manufacturing has been used to propose several designs of phononic crystals and
metamaterials due to the low cost to produce complex geometrical features. However, like …
metamaterials due to the low cost to produce complex geometrical features. However, like …
Simulation of cross-correlated random field samples from sparse measurements using Bayesian compressive sensing
Cross-correlated random field samples (RFSs) of engineering quantities (eg, mechanical
properties of materials) are often needed for stochastic analysis of structures when cross …
properties of materials) are often needed for stochastic analysis of structures when cross …
Wave and vibration analysis of elastic metamaterial and phononic crystal beams with slowly varying properties
Periodic structures can be designed to exhibit elastic wave propagation band gap behaviour
by varying material or geometrical properties, ie phononic crystals, or by periodically …
by varying material or geometrical properties, ie phononic crystals, or by periodically …
A two-stage approach to stochastic finite element model updating using FRF data
AK Panda, SV Modak - Journal of Sound and Vibration, 2023 - Elsevier
Stochastic model updating techniques are used to update an FE model of a structure so that
the updated model can predict the mean as well as the variability of the structure's dynamic …
the updated model can predict the mean as well as the variability of the structure's dynamic …
Effect and identification of parametric distributed uncertainties in longitudinal wave propagation
MR Machado, JMC Dos Santos - Applied Mathematical Modelling, 2021 - Elsevier
Uncertainties play an important role in dynamic systems regarding their vibration and wave
propagation behaviour. Stochastic methods have been used to address the randomness …
propagation behaviour. Stochastic methods have been used to address the randomness …
Efficient model updating of shaft-raft-hull system using multi-stage convolutional neural network combined with sensitivity analysis
M Lu, S Jiao, J Deng, C Wang, Z Zhang - Ocean Engineering, 2024 - Elsevier
Abstract Model updating for marine shaft-raft-hull systems presents significant challenges
due to the numerous components and the resulting inaccessible parameters. This study …
due to the numerous components and the resulting inaccessible parameters. This study …
Robust optimization of attenuation bands of three-dimensional periodic frame structures
Vibration may lead to several problems and, therefore, must be considered in structural
design. Periodic structures may present wave propagation phenomena capable of …
design. Periodic structures may present wave propagation phenomena capable of …