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Minh-Huy Nguyen, Tran-De-Nhat Truong, Thanh-Cao Le and Duc-Duy Ho
For cable structures, the tension force is one of the main factors showing the structure?s health. If the tension force falls below a safe level during construction or operation, it can lead to partial or complete the structural failure, posing a risk to...
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Jianmin Wen, Chenqi Fu, Hong Zhang and Bindi You
The internal beveloid gear has good scientific research value and a broad application field. However, there is a lack of research on the nonlinear vibration characteristics of internal beveloid gears. The present study establishes a nonlinear vibration m...
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Shan Zeng, Sigui Luo, Fei Wang, Xifan Lan, Xinrui Ma and Yuxin Lu
Squeeze film dampers are often used to suppress vibration in turbine engines and play an important role in rotor systems. In this paper, the nonlinear dynamic characteristics of an industrial turbine engine fitted with squeeze film dampers are investigat...
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Ming Ding, Jinhui Jiang, Fang Zhang, Xiao Liang and Nansun Shen
Helicopter gearbox support strut is one of the main research objects in the field of vibration and noise control in helicopter cabins. Aiming to further widen the vibration attenuation range of traditional Bragg periodic struts, a novel type of Local res...
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Iman Khatami, Mohsen Zahedi, Abolfazl Zahedi and Mohammad Yaghoub Abdollahzadeh Jamalabadi
In many real word applications, beam has nonlinear transversely vibrations. Solving nonlinear beam systems is complicated because of the high dependency of the system variables and boundary conditions. It is important to have an accurate parametric analy...
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Joseph Spagnol, Helen Wu and Chunhui Yang
Many studies on cracked rotors developed crack breathing models that assume that the neutral axis of bending always remains horizontal for simplification. These models may generate significant discrepancies and thus there is a need to develop more sophis...
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Fang Dong, Zhongqi Shi, Rumian Zhong and Nan Jin
In this paper, A high-order response surface method is proposed for finite element model updating of continuous beam bridges. Firstly, based on visual inspection and environmental vibration testing, the peak picking (PP) method and random subspace identi...
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Hongzhen Zhu and Jianghai Wu
Pipelines are designed to carry seawater with hydrostatic pressure below sea level in the ship industry. Previously conducted studies have established the FSI (Fluid?Structure Interaction) equations for thin-walled, fluid-filled pipelines based on the Ti...
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Xiliang Feng, Yue Zhu, Jin Gan, Ziheng Chen, Jing Li, Yongshui Lin and Weiguo Wu
Due to the tall and large superstructures of cruise ships, the wind-induced vibration of frame structure on open decks cannot be neglected. This study investigated the wind-induced vibration of a typical frame structure on a cruise ship by using wind tun...
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Huixuan Han, Yishuo Guo and Ruili Huo
The free transverse vibration of a surface-piercing, vertical cylinder partially submerged in water was studied. The cylinder had an arbitrary non-circular, but symmetric, cross-section in the vibration direction. The water was assumed to be an incompres...
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Xue Long, Lu Liu and Shunying Ji
Self-excited vibrations of offshore structures interacting with sea ice, characterized by low frequency and high amplitudes, pose significant hazards to offshore wind turbines (OWTs) in cold seas. This study employs the discrete element method (DEM) with...
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Jianhao Dong, Guangheng Wang, Hui Lin, Xinsheng Bi, Zhantao Li, Pengda Zhao, Tingwen Pei and Fei Tan
The frame of the cotton picker is exposed to complex and varying loads during its operation. Therefore, conducting research on the vibration characteristics of the frame is crucial. In this study, vibration tests were conducted on the main vibration sour...
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Zhijun Guo, Yiqing Qiu, Xianghai Yan, Jiajia Wang, Shengjie Si, Fugui Guo and Fu Zhang
We explore the mechanism and law of reducing the resistance of soil cutting tools by achieving the self-excited vibration mode through the modification of the soil-engaging surface spectrum. Around the fundamental resonance point of the soil, and superim...
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Lipengcheng Wan, Yonglei Li, Jinyu Song, Xiang Ma, Xiangqian Dong, Chao Zhang and Jiannong Song
The vibration response of soil is a key property in the field of agricultural soil tillage. Vibration components of tillage machinery are generally used to reduce tillage resistance and improve work efficiency, and the pressure variation under low-freque...
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Yanan Wu, Haijun Xuan, Changyao Wu, Dong Mi, Mingmin Qu and Tao Jin
Underplatform dampers (UPDs), a type of dry friction damper, are commonly used for vibration reduction of turbine blades. This study investigated the effect of UPDs on the forced torsional vibration response of turbine blades within a multi-blade system....
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Yue Wang, Yiming Fang, Liang Li, Dingguo Zhang, Wei-Hsin Liao and Jianshi Fang
This paper uses high-order approximate coupling (HOAC) dynamics equations for the hub?beam system with segmented active constrained layer damping treatment (SACLD). To improve the damping characteristics of traditional active constrained layer damping (A...
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Jixin Man, Beirao Xue, Xiangde Bian, Wengao Yan, Da Qiao and Wu Zeng
Friction dampers are widely employed to reduce blade resonance vibration amplitude in turbomachinery. In this paper, a study was performed on the forced response of two blades with dual friction dampers. Numerical simulation and experimental testing were...
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Ze Liu and Yaxiong Peng
Because of the impact of the complex environment of tunnel portals, the measured blasting vibration signals in a tunnel portal contains a lot of high-frequency noise. To achieve effective noise reduction, a novel method of noise reduction for blasting vi...
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Özge Sahin and Naci Caglar
The dynamic characteristics of buildings and their behavior under various dynamic loads play a crucial role in civil engineering applications, particularly for earthquake-resistant structural design. Employing a precise mathematical model of the structur...
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Peng Wang, Nan Wu, Zhili Sun and Haitao Luo
Non-uniform structures and composite materials have advantages in engineering applications, such as light weight design, multi-functionality, and better buckling/flutter load capacity. For composite structures under dynamic loading conditions, reliabilit...
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