Vibration detection of stay-cable from low-quality CCTV images using deep-learning-based dehazing and semantic segmentation algorithms

H Lee, H Yoon, S Kim - Engineering Structures, 2023 - Elsevier
This study aims to monitor excessive vibrations in the stay-cables of long-span bridges,
which can cause structural defects or discomfort to the public. Traditional methods like …

Correlating pressure‐induced emission modulation with linker rotation in a photoluminescent MOF

A Sussardi, CL Hobday, RJ Marshall… - Angewandte …, 2020 - Wiley Online Library
Conformational changes of linker units in metal‐organic frameworks (MOFs) are often
responsible for gate‐opening phenomena in selective gas adsorption and stimuli …

The fractional derivative expansion method in nonlinear dynamic analysis of structures

MV Shitikova - Nonlinear Dynamics, 2020 - Springer
The history of formulation of the efficient method for studying the nonlinear dynamic
response of structures, damping features of which depend on natural frequencies of …

A novel two-degree-of-freedom model of nonlinear self-excited force for coupled flutter instability of bridge decks

G Gao, L Zhu, J Li, W Han, B Yao - Journal of Sound and Vibration, 2020 - Elsevier
This paper aims to propose a novel model for predicting the nonlinear heave-torsion
coupled flutter instability of flat bridge decks. The nonlinear oscillatory system during …

Dynamic effect of internal resonance caused by gravity on the nonlinear vibration of vertical cantilever beams

GX Wang, H Ding, LQ Chen - Journal of Sound and Vibration, 2020 - Elsevier
Although the transverse vibration of the cantilever structure is of great interest, the internal
resonance of the vertical cantilever structure is always ignored. In this paper, nonlinear free …

Three-to-one internal resonance analysis for a suspension bridge with spatial cable through a continuum model

L Xu, Y Hui, W Zhu, X Hua - European Journal of Mechanics-A/Solids, 2021 - Elsevier
Nonlinear vibration of suspension bridge is a topic requiring comprehensive investigation.
This study is focused on the internal resonance of the suspension bridge consisting of …

Experimental and theoretical study on cable-supporting system

H Fei, D Danhui, Z Yiqing, L Huan - Mechanical Systems and Signal …, 2020 - Elsevier
Suspension type cable system is an important type of cable bearing system, its dynamic
problems have always been the key to the structural design, health monitoring, and vibration …

Flutter control of truss-type suspension bridges with a tuned mass damper based on the mass polar moment of inertia's optimum configuration

SHH Lavassani, H Alizadeh, V Gharehbaghi… - Engineering …, 2022 - Elsevier
In suspension bridges, flutter is the primary source of instability, commonly controlled by a
tuned mass damper (TMD). In torsional motions, such as flutter, the shape of the mass block …

Nonlinear behaviors of the flutter occurrences for a twin-box girder bridge with passive countermeasures

R Zhou, Y Ge, Y Yang, Y Du, S Liu, L Zhang - Journal of Sound and …, 2019 - Elsevier
The flutter control effectiveness of passive aerodynamic countermeasures for long-span
bridges is much dependent on the configuration of these countermeasures. The present …

Efficient algorithm for the dynamic analysis of large civil structures with a small number of nonlinear components

Y Hui, SS Law, W Zhu - Mechanical Systems and Signal Processing, 2021 - Elsevier
Nonlinear vibration analysis of complex structures is still a challenging topic due to
limitations of existing algorithms. This paper proposes a highly efficient method to address …