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Junfeng Liu, Yujun Hu, Ji Yao and Qing Zhang
Tuned mass dampers (TMDs) are widely used as vibration damping devices in engineering practice. However, during use, TMDs inevitably exhibit some nonlinear characteristics that may negatively impact engineering applications. To improve the practical perf...
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Santiago Mota-Páez, David Escolano-Margarit and Amadeo Benavent-Climent
This work can be applied to the seismic upgrading of existing reinforced concrete structures with a soft story located near a fault by using metallic-type displacement-dependent dampers.
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Shenyan Chen, Zihan Yang, Minxiao Ying, Yanwu Zheng, Yanjie Liu and Zhongwen Pan
The traditional series-type satellite vibration suppression scheme significantly decreases satellite frequency, which leads to difficulty in controlling the amplitude. In the present work, a new parallel viscous damping scheme is adopted on the Payload A...
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Yan Xu, Zeng Zeng, Cunyu Cui and Shijie Zeng
A time efficient method for determining the initial yielding strength of the yielding steel damper applied in cable stayed bridges is proposed.
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V. V. Marochka
Pág. 136 - 138
Often is collided at designing and operation of bridges of gapped systems with excessive oscillations of superstructures under a temporary load. On the other hand, there are some number of extinguishers constructions, which can be reduced to abutment dam...
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Yujun Hu, Ji Yao, Junfeng Liu and Qing Zhang
The use of this analytical method can improve the damping performance of tuned mass dampers, which has a certain reference value in the subsequent study of TMD nonlinear characteristics, and the analytical method has some significance for improving the e...
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Jiayu Hao, Yifeng Wang, Yiming Peng, Hui Ma and Xiaohui Wei
The UAV cluster combat puts forward higher requirements for short-distance arresting gears for multitype aircraft. Based on magnetorheological technology, an arresting gear was designed, and the structural parameters of the MR damper were optimized. An i...
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Jizhong Huang, Ruoyu Zhang, Qingyang Luo, Xiuwei Guo and Meigen Cao
In this paper, the mechanical model of grotto?eave system with cable inerter viscous damper (CIVD) is established, and the vibration control equations are established. Firstly, the stochastic response is carried out, and the optimization design of design...
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Aylin Ece Kayabekir, Gebrail Bekdas, Sinan Melih Nigdeli and Zong Woo Geem
In this study, the music-inspired Harmony Search (HS) algorithm is modified for the optimization of active tuned mass dampers (ATMDs). The modification of HS includes the consideration of the best solution with a defined probability and updating of algor...
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Yichao Xu, Changzhao Li, Yu Cheng and Yufeng Zhang
High-damping rubber (HDR) dampers have the advantages of convenience for various shapes of pressure blocks, aesthetic installation, easy maintenance, temperature stability, etc.; thus, they present good application prospects in the vibration reduction of...
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Flavia Bustos, Jorge Hinojosa and Víctor Tuninetti
The computational modeling of hysteretic dampers is a powerful tool for design, allowing us to predict and optimize damper performance. In this research, a numerical model, based on Chaboche?s nonlinear kinematic hardening constitutive law, was implement...
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Mohamed Hechmi El Ouni, Mohamed Y. Laissy, Mohammed Ismaeil and Nabil Ben Kahla
The study aims to assess the impact of shear walls on active vibration control of the buildings. It has evaluated the design of a smart 20-story building equipped with an Active Mass Damper to mitigate earthquakes. The design has combined shear walls wit...
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Soo-Min Kim, Dae W. Kim and Moon K. Kwak
The membrane-type air spring can be used to suppress lateral vibration of a vibration isolation table. However, compared to voice coil actuators, pneumatic actuators are difficult to use for precise vibration control, because servo valves have nonlinear ...
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Chenfei She, Ming Zhang, Yibo Ge, Liming Tang, Haifeng Yin and Gang Peng
Based on the technical platform of electrically actuated nose wheel steering systems, a new type of damping shimmy reduction technology is developed to break through the limitations of traditional hydraulic damping shimmy reduction methods, and an electr...
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Jaehoon Jee, Chongmin Kim and Yanggon Kim
In order to cope with strengthened marine environmental regulations and to reduce fuel consumption, recently constructed vessels are equipped with an ultra-long stroke engine and apply engine de-rating technology. This was intended to improve propulsion ...
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Zhipeng Zhai, Wei Guo, Yanhui Liu, Shuang Zou and Fulin Zhou
In this paper, a new precast self-centering rocking shear wall system (PSCRSW) mainly composed of precast reinforced concrete (RC) wall, V-shaped steel brace and pre-pressed disc spring friction damper (PDSFD) are proposed to enhance the seismic resilien...
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Libin Du, Yongchao Cui, Yanqun Ma, Jie Liu and Zezheng Liu
The pendulum-tuned mass damper (PTMD) is a widely used vibration-damping device capable of transferring and dissipating structural vibration energy, resulting in reduced structural amplitude, and offering both structural and performance advantages. Given...
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Ayla Ocak, Sinan Melih Nigdeli, Gebrail Bekdas, Sanghun Kim and Zong Woo Geem
In this study, the tuned liquid damper (TLD) device was optimized by the harmony search (HS) and adaptive harmony search algorithms (AHS). Using the harmony search algorithm, seismic excitations were directed at single and ten-story structures, and TLD p...
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Yiming Peng, Pengpeng Xie, Xiaohui Wei and Hong Nie
The test of arresting hook bounce is one of the most essential technologies in the design and research of arresting hook. In order to research the dynamic performance of the hook after touchdown and impacting with the deck when the aircraft is arrested, ...
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Evangelos Sapountzakis, Georgios Florakis and Konstantinos Kapasakalis
This paper investigates the implementation of supplemental vibration control systems (VCS) in base isolated (BI) structures, to improve their dynamic performance. More specifically, the aim of the VCS is to reduce the base displacement demand of BI struc...
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