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Yu Wang, Wenhang Zhang, Xiwen Luo, Ying Zang, Ligang Ma, Wenpeng Zhang, Jiahao Liu and Shan Zeng
The air-suction precision seeder for small seeds is a planting machine, characterized by precision, high efficiency, and ease of operation, that uses air suction technology to sow small grain seeds at set intervals and depths into the soil. However, the ...
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Yong Liu, Jinting Wei, Hao Du, Zhenpeng He and Fangchao Yan
Taking an aviation hydraulic pipeline as the research object, a fluid?solid coupling vibration model of the pipeline system, considering the influence of the clamp, is established. The clamp is equivalent to the combined form of the constraint point and ...
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Lin Ke, Jinming Ye and Xiaoyu Zou
To reduce the structural vibration of the duct structure in pump-jet propulsors (PJPs) and lower the induced vibration noise, this study learned from the ?processor box? in an aero-engine and set a certain number of axial slots in the PJP. First, using f...
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Fangfang Xu, Hong Li and Dongxu Zhang
The unstable combustion problem in small-sized solid rocket engines with a large aspect ratio is so complicated that its causes remain unclear. In this study, the coupled vibration between the sound field and shell in the engines was proposed as a possib...
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Mohammad Yaghoub Abdollahzadeh Jamalabadi
In this study, the active vibration control of a rectangular plate submerged in water was investigated. Mass dampers were attached to the plate, and the system was modeled via assumed mode. Water is modeled as an inviscid fluid with moving boundaries at ...
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Po-Hung Yeh, Shao-Hua Chung and Bang-Fuh Chen
This study explores the damping effects of tuned liquid dampers (TLDs) on a monopile offshore wind turbine (OWT). The fluid?solid coupling of ANSYS was used to simulate the damping effect of a TLD on the structures. The environmental conditions refer to ...
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Heinrich Voss
Small amplitude vibrations of a structure completely filled with a fluid are considered. Describing the structure by displacements and the fluid by its pressure field, the free vibrations are governed by a non-self-adjoint eigenvalue problem. This survey...
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