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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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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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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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Qingchao Yang, Zhaozhao Ma, Ruiping Zhou, Heow Pueh Lee and Kai Chai
In recent times, there has been a significant focus on electromagnetic resonant shunt damping (ERSD) and quasi-zero-stiffness vibration isolators (QZS VI) as prominent solutions for vibration mitigation or energy harvesting. In this paper, an innovative ...
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Yuanyuan Zhang, Chunling Ren, Haodong Meng and Yong Wang
To enhance the dynamic performance of half-vehicle seat systems and reduce vibrations in both the vertical and pitching directions, a nonlinear energy sink inerter (NESI) can be introduced and aligned with lightweight design principles. A dynamic model o...
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Lianfeng Yang, Liqin Liu, Chao Luo, Yongjun Yu and Yiqun Chen
The aim of this paper is to investigate the vibration suppression effect of a nonlinear energy sink (NES) on the wind-vortex-induced vibration of deep-water jacket pipes. Based on nonlinear dynamical theories, the coupled dynamic equation of a deep-water...
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Nansun Shen, Jinhui Jiang, Fang Zhang and Ming Ding
Vibration propagates in the form of elastic waves. The tuning of elastic waves is of great significance for vibration and noise reduction. The elastic metamaterials (EMs), which can effectively prohibit elastic wave propagation in the band gap frequency ...
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Xueqin Jiang, Shanjun Luo, Qin Ye, Xican Li and Weihua Jiao
Soil is one of the most significant natural resources in the world, and its health is closely related to food security, ecological security, and water security. It is the basic task of soil environmental quality assessment to monitor the temporal and spa...
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Jan Philipp Heners, Stephan Stotz, Annette Krosse, Detlef Korte, Maximilian Beck and Damian Vogt
Unsteady pressure fluctuations measured by fast-response pressure transducers mounted in a low-pressure turbine cascade are compared to unsteady simulation results. Three differing simulation approaches are considered, one time-integration method and two...
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Zhiying Zhang, Xin Tian and Xin Ge
The Bouc?Wen nonlinear hysteretic model has many control parameters, which has been widely used in the field of seismic isolation. The isolation layer is the most important part of the isolation system, which can be effectively simulated by the Bouc?Wen ...
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