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    NONLIEAR DYNAMIC BEHAVIORS ANALYSIS OF COMPLEX ROTOR-BEARING SYSTEM by LIN LuSheng, LIU GuiPing, CHEN Yuan

    Published 2015-01-01
    “…Finally,this method is validated with nonlinear dynamics analysis of a complex rotorbearing system. The results show that the proposed method can accurately solving the nonlinear dynamics of complex rotor-bearing system.…”
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    A Review and Scientometric Analysis of Global Research on Prefabricated Buildings by Wenhui Liu, Hong Zhang, Qian Wang, Tianran Hua, Hong Xue

    Published 2021-01-01
    “…In this study, the scientometric method is used to analyze the literature on prefabricated buildings in the past ten years through analysis of co-authors, co-words, and co-citation. …”
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  6. 3146

    FATIGUE STRENGTH ANALYSIS AND OPTIMIZATION OF FSC RACING EXHAUST SYSTEM by QI Qi, LIU HaoTian, WU XiaoJian, LUO Cheng

    Published 2020-01-01
    “…The exhaust pipe of engine is subjected to alternating load of low and high temperatures during operation,which is prone to fatigue damage.For the FSC(Formula Student China) racing engine with the highest speed of 11 000 r/min~13 OOOr/min,the exhaust pipe fatigue problem is more serious.In this paper,the FSC racing exhaust system is taken as the research object to analyze its fatigue strength and optimize the exhaust pipe thickness.Firstly,the Fluent software is used to analyze the conjugate heat transfer of the exhaust system to determine the temperature distribution of the exhaust system.Then the temperature distribution is mapped to the finite element mesh of the exhaust system,and the thermal stress and thermal strain are analyzed by finite element technology.Subsequently,two schemes including exhaust manifold " normal operation-parking cooling" cycle and extreme working condition cycle are designed to carry out the thermal cycle simulation.It is found that the exhaust gas accumulates plastic deformation under the alternating load of each cycle,and the exhaust system will eventually crack and be destroyed.Finally,the fatigue life of the two schemes is studied by using Ansys nCode DesignLife fatigue analysis software.The results show that both schemes effectively reflect the life expectancy of low-cycle fatigue damages under the combined action of exhaust manifold temperature field,thermal stress and strain.Based on the above analysis,the exhaust thickness is optimized by the extreme working condition circulation scheme.and it is verified by experiments that the 1.2 mm thickness steel pipe meets the FSC exhaust requirements.…”
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    Understanding ASEAN Centrality: Comparative Analysis of ‘Core’ and ‘Hub’ Strategies by Shintaro Hamanaka

    Published 2025-01-01
    “…From the empirical front, the paper claims the usefulness of comparative analysis. Even if the level of centrality cannot be measured, we can better assess whether ASEAN hold the core and/or hub status in regional institutional architecture, if it is compared with other institutions.…”
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    STABILITY ANALYSIS OF EMBANKMENT SOIL SLOPES IN THE INTERNATIONAL SCHOOL PROJECT by Merdy Evalina Silaban, M. Fadly Devkha Pratama

    Published 2025-01-01
    “…This study aims to recalculate the safety of the slope conditions. The results of the analysis of the original slope condition without reinforcement using the Fellenius method yielded a value of 1.239, and this was clarified in the Plaxis analysis with a safety factor value of 1.2445. …”
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    Security risk analysis of power 5G hybrid networking by Xiaojian ZHANG, Jiaxuan FEI, Haitao JIANG, Qigui YAO

    Published 2022-01-01
    “…5G communication technology provides strong support for the power internet of things, and it also introduces new security challenges in the application process of the power industry.Starting from the analysis of the needs of the power 5G business, five 5G networking deployment and construction plans were proposed, and a comparative analysis of them was conducted in security and cost.And then, a hybrid networking architecture of 5G and power communication networks was proposed, and the 5G network slicing architecture was re-segmented according to business scenarios.Finally, from the four parts of terminal access, edge computing, network channel and core network, the security risks introduced by 5G technology were analyzed in detail.…”
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  16. 3156

    Analysis of the Hybrid Power System for High-Altitude Unmanned Aircraft by Kangwen Sun, Ming Zhu, Lifeng Wang, Hu Liu

    Published 2015-01-01
    “…A high-altitude unmanned aircraft was used to analyze the performances of pure solar-powered aircraft and hybrid powered aircraft. The analysis result showed that the hybrid system could reduce the area of wing by 19% and that high-altitude unmanned aircraft with a 35 m or less wingspan could raise the utilization rate of solar energy per unit area after adopting the hybrid power system.…”
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