Multiobjective-clustering-based optimal heterogeneous sensor placement method for thermo-mechanical load identification

Y Liu, L Wang - International Journal of Mechanical Sciences, 2023 - Elsevier
The direct measurement of external loads acting on structures remains a challenge in many
engineering applications. In this context, mechanical load identification has received …

Nonlinear model updating through a hierarchical Bayesian modeling framework

X Jia, O Sedehi, C Papadimitriou… - Computer Methods in …, 2022 - Elsevier
A new time-domain probabilistic technique based on hierarchical Bayesian modeling (HBM)
framework is proposed for calibration and uncertainty quantification of hysteretic type …

A novel sensitivity-based finite element model updating and damage detection using time domain response

S Baybordi, A Esfandiari - Journal of Sound and Vibration, 2022 - Elsevier
This paper presents an innovative explicit sensitivity equation for structural parameters
estimation using the time domain data. The proposed exact sensitivity equation provides a …

Model updating and damage detection of jacket type platform using explicit and exact time domain sensitivity equation

S Baybordi, A Esfandiari - Ocean Engineering, 2023 - Elsevier
In this paper, a new sensitivity equation is formulated for structural parameter estimation
based on the time-history response. There are three methods for calculating the structural …

Modal interactions of a dual-joint cylindrical shell system via Nonlinear Normal Modes

JC Pan, ZQ Guan, Y Zeng, WC Sun - International Journal of Mechanical …, 2022 - Elsevier
Bolted flange joints are commonly encountered in engineering structures. One specific
challenge that is regularly encountered is the modeling of connecting interfaces between …

Finite element explicit dynamics simulation of motion and shedding of jujube fruits under forced vibration

J Zhou, L Xu, A Zhang, X Hang - Computers and Electronics in Agriculture, 2022 - Elsevier
Current fruit motion response simulations during vibration harvesting mainly adopt linear
theoretical calculation methods for the fruit motion patterns analysis, which cannot reflect …

A non-intrusive dynamic sensitivity-based substructure model updating method for nonlinear systems

Z Cao, H Wei, D Liang, Z Jia, J Yao, D Jiang - International Journal of …, 2023 - Elsevier
In nonlinear finite element model updating (FEMU), one of the main challenges is how to
improve the updating efficiency for large-scale structures. The computational time of …

Arclength-based response matching of multivalued frequency responses to update models with strong nonlinearities

T Zhu, G Zhang, C Zang, H Cui, MI Friswell - Mechanical Systems and …, 2023 - Elsevier
Abstract Model updating of strongly nonlinear systems is a vital tool to establish the precise
nonlinear model from the multivalued responses and one major step in the updating process …

Frequency-domain nonlinear model updating based on analytical sensitivity and the Multi-Harmonic balance method

T Zhu, G Zhang, C Zang - Mechanical Systems and Signal Processing, 2022 - Elsevier
The predicted dynamic response of the structure with nonlinearity can be in some difference
from the experimental one due to the discrepancies of nonlinear parameters between the …

Large-scale sandwich structures optimization using Bayesian method

H Liu, J Guo, J Wang, C Wang - International Journal of Mechanical …, 2024 - Elsevier
Benefiting from advanced features like high stiffness-to-weight ratios, sandwich structures
are widely used in aerospace for primary and secondary structures. As tasks grow more …