Results 31 to 40 of about 5,040,527 (296)
Stability and bifurcation analyses for exterior resonant families in Earth-Moon system
Results in Physics, 2021 In this work, stability and bifurcation analyses for exterior resonant orbit families have been investigated for a test spacecraft around Earth-Moon system. The initial states are obtained for certain resonance ratio orbits in the two-body problem.
Xu Li +3 more
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Structural Damage Detection by Using Single Natural Frequency and the Corresponding Mode Shape
Shock and Vibration, 2016 Damage can be identified using generalized flexibility matrix based methods, by using the first natural frequency and the corresponding mode shape. However, the first mode is not always appropriate to be used in damage detection. The contact interface of
Bo Zhao +4 more
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Structural Optimization of Tri-Cone Cyclone Based on the Response Surface Method
Shiyou jixieThere are scarce reports on the separation performance of discontinuous multi-cone cyclones. This paper presents a combined tricone cyclone structure. First， a numerical simulation was conducted for single factor analysis on the main structure， so as to ...
Qian Weifeng +4 more
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Fractal Model for Acoustic Absorbing of Porous Fibrous Metal Materials
Shock and Vibration, 2016 To investigate the changing rules between sound absorbing performance and geometrical parameters of porous fibrous metal materials (PFMMs), this paper presents a fractal acoustic model by incorporating the static flow resistivity based on Biot-Allard ...
Weihua Chen +4 more
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Effects of Temperature on Axial Crushing Behavior of Circular Multi-Walled Tubes
Metals, 2023 In this work, the impact of temperature on the crushing performance of multi-walled tube (MWT) were investigated using a combined experimental, theoretical and numerical method.
Zhijia Zhang +4 more
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Interactive Effects of Rarefaction and Surface Roughness on Aerodynamic Lubrication of Microbearings
Micromachines, 2019 The aerodynamic lubrication performance of gas microbearing has a particularly critical impact on the stability of the bearing-rotor system in micromachines.
Yao Wu +3 more
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Applied Sciences, 2021 The research on the dynamic performance of the rod-fastened rotor (RFR) has always been a hotspot. However, the structural complexity of RFR has brought significant challenges to the dynamic study of the RFR.
Haoliang Xu, Lihua Yang, Tengfei Xu
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A lightweight low-frequency sound insulation membrane-type acoustic metamaterial
AIP Advances, 2016 A novel membrane-type acoustic metamaterial with a high sound transmission loss (STL) at low frequencies (⩽500Hz) was designed and the mechanisms were investigated by using negative mass density theory.
Kuan Lu +4 more
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Numerical simulation of oil-water separation characteristics in Y-tube
Gongye shui chuliPipeline-type oil-water separation technology has the advantages of small footprint, high separation efficiency and low cost. A Y-type tubular oil-water separation structure was designed based on the principle of pipeline-type oil-water separation.
HUA Jian +4 more
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Form Finding of Asymmetric Cable Network Reflector with Flexible Ring Truss
Applied Sciences, 2022 In this work, the form finding of an asymmetric cable network reflector is considered by taking into account the elastic deformation of the flexible ring truss.
Zifan Hu, Yajun Luo, Xinong Zhang
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