Article
Engineering, Civil
Hui Gao, Zhihao Wang, Junfeng Jia, Zhipeng Cheng
Summary: In this study, a new negative stiffness electromagnetic tuned inerter damper (NSETID) is proposed to suppress vortex-and rain-wind-induced vibrations of long stay cables. The non-dimensional analytical equations and optimum parameters of the NSETID are developed, taking into consideration influences of cable sag and flexural stiffness. The superior damping enhancement capabilities of the NSETID in mitigating single-mode and multi-mode cable vibrations are highlighted.
ENGINEERING STRUCTURES
(2023)
Article
Engineering, Civil
Limin Sun, Junjie Sun, Satish Nagarajaiah, Lin Chen
Summary: The study focuses on using inerters with enhanced linear hysteretic damping to control cable vibrations. It is found that significant improvement on the multimode damping of a cable can be achieved by using two inerters connected in series and in parallel with a linear hysteretic damper.
ENGINEERING STRUCTURES
(2021)
Article
Engineering, Civil
Hui Gao, Hao Wang, Jian Li, Zhihao Wang, Ruijun Liang, Zidong Xu, Youhao Ni
Summary: An optimum design procedure based on output feedback control theory is proposed in this study to suppress multi-mode cable vibrations using viscous inerter dampers. The proposed design method effectively minimizes the performance index of the cable-VID system and demonstrates superior control performance compared to traditional viscous dampers. However, the advantage of the VID for higher-order cable modes may diminish as the design cable mode increases.
ENGINEERING STRUCTURES
(2021)
Article
Engineering, Mechanical
Hui Gao, Hao Wang, Jian Li, Jianxiao Mao, Zhihao Wang
Summary: A novel negative stiffness inerter damper (NSID) is proposed to improve the control performance of stay cables. The NSID utilizes the damping enhancement of negative stiffness and inerter for cable vibration control. The modal behavior of the cable based on optimum parameters of the NSID is explored, and the damping enhancement principle and conditions are demonstrated. The control efficacy of the NSID is evaluated, showing better performance than other dampers in mitigating multi-mode cable vibrations.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2022)
Article
Engineering, Mechanical
Hui Gao, Hao Wang, Jian Li, Jianxiao Mao, Zhihao Wang
Summary: A novel negative stiffness inerter damper (NSID) is proposed in this study to improve the control performance of stay cables. The NSID utilizes the damping enhancement of negative stiffness and inerter for cable vibration control. The study explores the modal behavior of the cable based on optimum parameters of the NSID and demonstrates the principle and conditions of the NSID for cable vibration control. The NSID performs better than other dampers in mitigating cable vibrations.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2022)
Article
Construction & Building Technology
Zhihao Wang, Zhipeng Cheng, Hao Wang, Fangfang Yue, Hui Gao, Buqiao Fan
Summary: This paper develops a new inerter-based damper called the eddy-current inertial mass damper (ECIMD) and investigates the damping effect of installing two ECIMDs on a single stay cable through theoretical analysis, experimental study, and parameter optimization. Results show that the damping effect of ECIMDs is closely related to their installation position and mechanical properties.
STRUCTURAL CONTROL & HEALTH MONITORING
(2022)
Article
Engineering, Civil
Yongkui Wen, Yang Zhao, Lin Chen
Summary: This study focuses on the performance of inerter-based dampers (IBDs) in cable vibration control considering girder vibrations. The effects of girder-cable coupling vibrations on the control performance of the IBDs are significant, even when the girder-cable frequency ratio is not close to 1.
ENGINEERING STRUCTURES
(2023)
Article
Engineering, Mechanical
Yafeng Li, Ping Tan, Shouying Li
Summary: This study proposes a novel eddy-current-based tuned inerter damper that integrates tuned inerter damper and nonlinear eddy current damping. The mechanical model and configuration of the damper are introduced, and a closed-form solution for its optimal design is established. Numerical simulations and comparisons demonstrate the superior effectiveness of the damper in mitigating seismic response compared to other types of dampers.
NONLINEAR DYNAMICS
(2023)
Article
Acoustics
Yuanyuan Wang, Shouying Li, Kai Qie, Hongyi Zhang, Zhengqing Chen
Summary: The effectiveness of viscous dampers (VDs) and viscous inertial dampers (VID) in mitigating multimodal vibrations of stay cables was tested in the laboratory. The results showed that installing two VDs at positions 2.75%l and 4.75%l significantly improved the damping ratios of the 15th to 25th modes.
JOURNAL OF VIBRATION AND CONTROL
(2023)
Article
Acoustics
Yuanyuan Wang, Shouying Li, Kai Qie, Shuai Zhou, Zhengqing Chen
Summary: In this paper, the effectiveness of two different types of dampers in reducing rain-wind induced vibration and vortex-induced vibration on cable-stayed bridges with long spans is investigated. The results show that a combination of two dampers can effectively enhance the damping ratios and reduce vibration levels for different modes.
JOURNAL OF VIBRATION AND CONTROL
(2023)
Article
Engineering, Civil
Keyu Lai, Wei Fan, Zhengqing Chen, Chao Yang, Zhiwen Liu, Shouying Li
Summary: This paper investigates the novel application of wire ropes as a damper to reduce wind-induced high-mode vibration of stay cables. Cyclic loading tests are conducted to analyze the damping behavior of the wire rope damper. A modified Bouc-Wen model is used to describe the hysteretic characteristics of the damper. An analysis method considering nonlinear damping behavior is developed and validated with physical experiments. The wire rope damper is successfully applied to reduce cable vibrations on the Su-Tong Yangtze River Bridge.
ENGINEERING STRUCTURES
(2023)
Article
Construction & Building Technology
Xiang Shi, Wei Shi, Kun Lin, Lanchang Xing, Songye Zhu
Summary: This study investigates the vibration mitigation mechanism of tuned Inerter dampers for stay cables, analyzing the impact of different connection modes and providing optimal tuning formulas for rapid design. The performance of the dampers is essentially determined by the inertance value, which can be adjusted through tuning the stiffness in the dampers to mitigate adverse effects.
STRUCTURAL CONTROL & HEALTH MONITORING
(2021)
Article
Construction & Building Technology
Majd Javanbakht, Shaohong Cheng, Faouzi Ghrib
Summary: This study proposes an adaptive output-only control scheme for cable vibration control using semi-active MR dampers. By optimizing the SAC parameters and developing a real-time force tracking strategy, the proposed control system effectively mitigates cable vibration under various types of excitation and demonstrates robustness.
STRUCTURAL CONTROL & HEALTH MONITORING
(2022)
Article
Engineering, Civil
Hui Gao, Hao Wang, Jian Li, Zhihao Wang, Youhao Ni, Ruijun Liang
Summary: This paper systematically investigates the effect of the inerter on the damping enhancement of a cable with a viscous damper installed close to the cable end. It is found that the inerter can improve the control performance of the damper, but attention should be paid to the optimal inertance value to avoid mode crossover, with HVID being more effective in mitigating cable multi-mode vibrations.
SMART STRUCTURES AND SYSTEMS
(2021)
Article
Engineering, Mechanical
Yan-Wei Xu, Zhao-Dong Xu, Ying-Qing Guo, Min Zhou, Yu-Liang Zhao, Yang Yang, Jun Dai, Jie Zhang, Chen Zhu, Bo-Hai Ji, Yan-Liang Du, Zheng-Qing Chen
Summary: A programmable intelligent control device based on magnetorheological(MR) damper is developed to control the vibration of stay cables. Simulation and experimental results show that the programmable control scheme provides better damping performance.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Computer Science, Information Systems
Qiuhan Meng, Pengran Lu, Songye Zhu
Summary: With the development of urban rail transit, the comfort of trains has become important. Traditional monitoring equipment has many disadvantages, so this study explored the use of smartphones to measure vibration and noise for real-time evaluation. A smartphone application based on IoT concept was developed, which can sense, visualize, transmit, and process data to evaluate vibration and noise impact. In-situ experiments were conducted on the Hong Kong Mass Transit Railway, providing valuable experiences for future application of IoT monitoring technology.
IEEE INTERNET OF THINGS JOURNAL
(2023)
Article
Engineering, Civil
Shuling Hu, Songye Zhu
Summary: This paper aims to highlight the benefits of hybrid self-centering braced frames (HSBFs) compared to buckling restrained braced frames (BRBFs) and self-centering braced frames (SCBFs) by investigating earthquake-induced life-cycle costs. The study found that HSBFs outperform BRBFs and SCBFs in reducing seismic losses.
EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS
(2023)
Article
Engineering, Civil
Xiang Shi, Zhiwei Wu, Yingyu Hua, Wei Shi, Songye Zhu, Jinyang Li
Summary: The traditional semi-active suspension system suffers from low energy consumption and compromised control performance. This paper proposes a novel semi-active suspension system that combines passive negative stiffness spring and semi-active damper to achieve both low energy consumption and excellent control performance.
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS
(2023)
Article
Engineering, Civil
Qinlin Cai, Zhiwei Chen, Songye Zhu
Summary: This study investigates the influence line-based damage indices for long-span bridges and validates their effectiveness through experiments on a scaled physical model of the Tsing Ma Bridge. The results demonstrate that the proposed damage indices can successfully locate damage in long-span bridges, providing valuable insights for damage detection in these structures.
JOURNAL OF BRIDGE ENGINEERING
(2023)
Article
Construction & Building Technology
Shiguang Wang, Zimo Zhu, Songye Zhu
Summary: The propagation of construction vibration to nearby buildings is a complex process. Real-time vibration monitoring is an effective way to minimize the impact of vibration on nearby buildings. In this study, a custom-made vibration monitoring system was developed for a hospital expansion project, ensuring the normal operation of ultraprecision equipment throughout the construction period. The system continuously monitored construction-induced vibration levels, assessed the impact on ultraprecision equipment, and issued alarm signals if necessary.
JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES
(2023)
Article
Engineering, Multidisciplinary
Qinlin Cai, Songye Zhu
Summary: This study validated the feasibility and effectiveness of using OFDR-based distributed sensing technology to detect damage in long-span bridges. The special influence surface constructed on the basis of this technology successfully localized damages in numerical and experimental case studies.
STRUCTURAL HEALTH MONITORING-AN INTERNATIONAL JOURNAL
(2023)
Article
Engineering, Civil
Zhi-Peng Chen, Songye Zhu
Summary: This study proposed a novel design concept using two-stage superelastic shape memory alloy (SMA) elements to achieve graded pseudo-yielding and enhanced ductility suitable for multi-level seismic design. Experimental tests and numerical simulations of two-stage SMA bars validated the expected merits, showing increased ductility by 50% compared to one-stage SMA bars. The two-stage SMA bars also exhibited desirable cyclic performance and self-centring capacity during the loading process. A finite element model based on testing results was established for further studies.
ENGINEERING STRUCTURES
(2023)
Article
Engineering, Civil
Zimo Zhu, Jubin Lu, Songye Zhu
Summary: This paper presents a novel dynamic response reconstruction method based on multi-rate Kalman filtering (MRKF). The method represents the structural system by the state-space equation and defines different observation equations based on the availability of sensor types. The MRKF method fuses multi-type sensor data sampled at different rates and relaxes the collocated monitoring requirement, while also using future observations to benefit current state estimation.
ENGINEERING STRUCTURES
(2023)
Article
Engineering, Geological
Shiguang Wang, Songye Zhu
Summary: Impact pile driving can cause adverse effects on the surrounding environment. Existing prediction methods are either too crude or too time-consuming. This study proposed an efficient and rigorous prediction approach through analyzing the pile-soil interaction and considering the propagation nature of different types of waves. Finite-element simulations and field measurements verified the accuracy of this approach.
JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
(2023)
Article
Computer Science, Information Systems
Qianyi Chen, Jiannong Cao, Songye Zhu
Summary: Estimating the health conditions and predicting the future behaviors of engineering structures are important for the safe and efficient operations of a city. Data-driven solutions using statistical models generated from measurement data have gained popularity due to advances in ICTs and big data analytics algorithms. However, most existing studies lack real-world implementation, hindering the extensive development of data-driven methods. In this survey, we provide an overview of the past decade's data-driven structural health monitoring (SHM) systems and algorithms, focusing on real-world implementation and proposing solutions to implementation challenges.
IEEE INTERNET OF THINGS JOURNAL
(2023)
Article
Construction & Building Technology
Shuling Hu, Canxing Qiu, Songye Zhu
Summary: This paper proposes a practical performance-based design strategy for controlling the floor acceleration of self-centering braced frames (SCBFs) by using viscous dampers. The study develops prediction models for the inelastic displacement and acceleration ratios of SCBFs with viscous dampers, and validates the proposed design method through simulation of different buildings. The results demonstrate that viscous dampers can effectively control the floor acceleration of SCBFs and achieve the desired performance level.
JOURNAL OF BUILDING ENGINEERING
(2023)
Article
Computer Science, Artificial Intelligence
Qiuhan Meng, Songye Zhu
Summary: In this study, an unsupervised approach using a temporal convolutional network and autoencoder was proposed to detect anomalies in construction vibration monitoring data. The anomalies were detected autonomously based on the reconstruction errors between the original and reconstructed signals. An adaptive threshold method was applied to achieve the best identification performance by considering the variability in vibration signals. The proposed method was evaluated using construction-induced accelerations measured by a real vibration monitoring system, and the results showed high accuracy in anomaly detection and significant time savings with distributed training.
ADVANCED ENGINEERING INFORMATICS
(2023)
Article
Engineering, Mechanical
Hao Wang, Songye Zhu
Summary: This paper extends the latching mechanism to vibration control to improve energy dissipation efficiency. An innovative semi-active latched mass damper (LMD) is proposed, and different latching control strategies are tested and evaluated. The latching control can optimize the phase lag between control force and structural response, and provide an innovative solution to improve damper effectiveness and develop adaptive semi-active dampers.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2024)
Article
Acoustics
Xiang Shi, Qingyang Yu, Zhiwei Wu, Jin-Yang Li, Songye Zhu
Summary: This study aims to develop an innovative self-powered active suspension using a dual-function active electromagnetic damper (DF-AEMD). The DF-AEMD is capable of providing force tracking and energy harvesting functions simultaneously, achieving better performance than traditional semi-active dampers in terms of force tracking accuracy and energy harvesting efficiency.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Sandip Chajjed, Mohammad Khalil, Dominique Poirel, Chris Pettit, Abhijit Sarkar
Summary: This paper reports the generalization of the Bayesian formulation of the flutter margin method, which improves the predictive performance by incorporating the joint prior of aeroelastic modal parameters. The improved algorithm reduces uncertainties in predicting flutter speed and can cut cost by reducing the number of flight tests.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Pascal Zeise, Bernhard Schweizer
Summary: Air ring bearings are an improved version of classical air bearings, providing better damping behavior and allowing operation above the linear threshold speed of instability. However, there is a risk of dangerous vibrations in certain rotor systems, which can be addressed by considering ring tilting effects.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Zbynek Sika, Jan Krivosej, Tomas Vyhlidal
Summary: This paper presents a novel design of a compact six degrees of freedom active vibration absorber with six identical eigenfrequencies. The objective is to completely suppress the vibration of a machine structure with six motion components. By utilizing a Stewart platform structure equipped with six active legs, a spatial unifrequency absorber with six identical eigenfrequencies is achieved. The design is optimized using a correction feedback and active delayed resonator feedback.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Kai Li, Yufeng Liu, Yuntong Dai, Yong Yu
Summary: This paper presents a novel light-powered self-oscillating liquid crystal elastomer (LCE) bow that can self-oscillate continuously and periodically under steady illumination. The dynamics of the LCE bow are theoretically investigated and numerical calculations predict its motion regimes. The suggested LCE bow offers potential advantages in terms of simple structure, customizable size, flexible regulation, and easy assembly.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Carmelo Rosario Vindigni, Giuseppe Mantegna, Calogero Orlando, Andrea Alaimo
Summary: In this study, a simple adaptive flutter suppression system is designed to increase the operative speed range of a wing-aileron aeroelastic plant. The system achieves almost strictly passivity by using a parallel feed-forward compensator implementation and the controller parameters are optimized using a population decline swarm optimization algorithm. Numerical simulations prove the effectiveness of the proposed simple adaptive flutter suppression architecture in different flight scenarios.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Nicco Ulbricht, Alain Boldini, Peng Zhang, Maurizio Porfiri
Summary: The quantification of fluid-structure interactions in marine structures is crucial for their design and optimization. In this study, an analytical solution for the free vibration of a bidirectional composite in contact with a fluid is proposed. By imposing continuity conditions and boundary conditions, the coupled fluid-structure problem is solved and applied to sandwich structures in naval construction, offering insights into the effects of water on mode shapes and through-the-thickness profiles of displacement and stress.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Shahram Hadian Jazi, Mostafa Hadian, Keivan Torabi
Summary: Non-uniformity and damage are the main focus in studying vibrations of beam elements. An exact closed-form explicit solution for the transverse displacement of a nonuniform multi-cracked beam is introduced using generalized functions and distributional derivative concepts. By introducing non-dimensional parameters, the motion equation and its closed-form solution are obtained based on four fundamental functions. The impact of crack count, location, intensity, and boundary conditions on natural frequency and mode shape is evaluated through numerical study.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Eugenio Tramacere, Marius Pakstys, Renato Galluzzi, Nicola Amati, Andrea Tonoli, Torbjoern A. Lembke
Summary: This paper proposes the experimental stabilization of electrodynamic maglev systems by means of passive components, providing key technological support for the Hyperloop concept of high-speed and sustainable transportation.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Pengfei Deng, Xing Tan, He Li
Summary: In this paper, the authors improve the surface morphology method and study the bit-rock interaction model between the rock and the PDC bit, taking into account the impact of blade shape and cutter arrangement. They establish a dynamic model for a deep drilling system equipped with an arbitrary shape PDC bit and propose a stability prediction method. The results show that the shape of the blades and arrangement of the cutters on the PDC bit significantly affect the nonlinear vibration of the drilling system.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Salvador Rodriguez-Blanco, Javier Gonzalez-Monge, Carlos Martel
Summary: In modern LPT designs, the simultaneous presence of forced response and flutter in different operation regimes is unavoidable. Recent evidence suggests that the traditional linear superposition method may be overly conservative. This study examines the flutter and forced response interaction in a realistic low pressure turbine rotor and confirms that the actual response is much smaller than that predicted by linear superposition.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Kabilan Baskaran, Nur Syafiqah Jamaluddin, Alper Celik, Djamel Rezgui, Mahdi Azarpeyvand
Summary: This study investigates the impact of the number of blades on the aeroacoustic characteristics and aerodynamic performance of propellers used in urban air mobility vehicles. The results show that different blade numbers exhibit distinct noise levels, providing valuable insights for further research on propeller noise and aerodynamic performance.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Yongbo Peng, Peifang Sun
Summary: This study focuses on the reliability-based design optimization (RBDO) of the tuned mass-damper-inerter (TMDI) system under non-stationary excitations. The performance of the optimized TMDI system is evaluated using probability density evolution analysis. The results demonstrate the technical advantages of TMDI, including high vibration mitigation performance, considerable mass reduction, and less stroke demand.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Guanfu Lin, Zhong-Rong Lu, Jike Liu, Li Wang
Summary: Vision-based measurement is an emerging method that enables full-field measurement with non-contact and high spatial resolution capabilities. This paper presents a single-camera method for measuring out-of-plane vibration of plate structures using motion-parametric homography to capture image variation and displacement response.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Bronislaw Czaplewski, Mateusz Bocian, John H. G. Macdonald
Summary: Despite two decades of study, there is currently no model that can quantitatively explain pedestrian-generated lateral forces. This research proposes a foot placement control law based on empirical data to calibrate and generalize the rigid-leg inverted pendulum model (IPM) for predicting lateral structural stability.
JOURNAL OF SOUND AND VIBRATION
(2024)
Article
Acoustics
Justine Carpentier, Jean-Hugh Thomas, Charles Pezerat
Summary: This paper proposes an improved method for the identification of vibration sources on a car window using the corrected force analysis technique. By redefining inverse methods in polar coordinates, more accurate results can be obtained.
JOURNAL OF SOUND AND VIBRATION
(2024)
