The Health Monitoring Method of Concrete Dams Based on Ambient Vibration Testing and Kernel Principle Analysis by Lin Cheng, Jie Yang, Dongjian Zheng, Bo Li, Jie Ren

“…The ambient vibration testing (AVT) measurement of concrete dams on full-scale can show the practical dynamic properties of structure in the operation state. For most current researches, the AVT data is generally analyzed to identify the structural vibration characteristics, that is, modal parameters. …”
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An Investigation on Shape Morphing by Modulus Variation: Forward Approach by Amin Mohaghegh Motlagh, William W. Clark

“…Structural shape deformation, in its conventional way, includes applying forces to a fixed-compliance structure to deform it to certain shapes. …”
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Design and Analysis of Wheel Electric Drive System with Gear Reducer of Single Trailing Arm by Xu Naiwen, Gu Cheng, Chen Xinbo

“…The structure of electric wheel drive system with gear reducer for single trailing arm suspension is designed.The structural components and assembly relation is illustrated in detail.And the specialty is the motor for this system is placed on the frame.The mechanism of gear transmission and the gearbox,single-trailing arm and frame consist of a four-bar mechanism.The kinetic principle of this mechanism is explained.This four-bar mechanism make the center distance between motor and wheel is variable and ensure the feasibility of the designed structure for electric wheel drive system.At last,the model is established in ADAMS for simulation and prove the superiority of designed system.The proposed structure reduces the unsprung mass of vehicles effectively and improves the ride comfort and wheel ground adhesion for vehicle.…”
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Application of the Correlation Matrix in Variable Cell Mechanism Design by Lin Jin

“…With the deepening of the variable cell organization research,the flexibility of its continuous structure state change,the mechanism using versatility is gradually highlight. …”
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A Squirrel-cage Globoidal Cam Planetary Mechanism by Gong Yan, Cao Jujiang, Zhang Yanhua

“…The new structure not only reduces the difficulty of machining the outer annulus cam， but also avoiding the problem that the assembly accuracy is not high due to the outer annulus cam split structure. …”
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TEXTURE OF THE GENRE “VÈ” by Triều Nguyên

“…This paper presents the structure of “Vè” in two dimensions: The structure dependent on plot, consisting of three parts (introduction, description - i.e., telling the story, and ending); and The structure dependent on the characters’ personalities, dividing the people in a folktale into two types. …”
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Design and Analysis of Three-Degree-of-Freedom High-stiffness Robot by Meijia Zhi, Xianmin Kang, Qibin Zhong, Hongzhi Yu, Yao Chen

“…The three-degree-of-freedom structure is determined by the analysis of processing requirements， and the theoretical analysis of the multi-degree-of-freedom space is performed， and the structural design plan is determined. …”
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ABOUT RESULTS TRUST MANAGEMENT OF PENSION SAVINGS BY GOVERNMENTAL MANAGEMENT COMPANY OF THE VNESHECONOMBANK FOR 2004-2017 by G. Fatkhlislamova, T. Gorbacheva

“…The structure and profitability of investment portfolios generated by the governmental management company of Vnesheconombank (GMC VEB) is investigated. …”
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Experimental Investigation on Flow Characteristics of a Reverse-Flow Combustor by Ge Hu, Jianzhong Li, Wu Jin, Jingzhou Zhang, Li Yuan, Weikuo Zhai

“…Different aerodynamic conditions were studied using PIV to reveal the characteristics of both the nonreacting and reacting flow fields. The structure of the nonreacting flow field in the central section shows similarity as the total pressure loss coefficient increases. …”
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DESIGN AND RESEARCH OF CONICAL PICKS WITH BIONIC CONCAVE OF DUNG-BEETLE SURFACE by WANG ChunHua, WANG Chen

“…The friction and wear tests on the sixteen different parameters of the concave structure show that the wear resistance of the concave-shaped non-smooth surface structure is significantly improved which is compared to the smooth surface,and the bionic non-smooth structure of the concave shape is analyzed through orthogonal test to analyze the effect of the parameters on the wear resistance.…”
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Kinematics Research of the Plunger Pump of the Gear-linked Cylinders Hydraulic Engine by Xu Wei, Zhang Hongxin, Shu Pei, Gao Lei

“…The structure and working principle of the plunger pump of the gear- linked cylinders hydraulic engine is put forward creatively for the issues that loose structure,more throttling lose,low efficiency and affected highly by working frequency that appearing in traditional plunger pump. …”
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Study on Long-Term Dynamic Mechanical Properties and Degradation Law of Sandstone under Freeze-Thaw Cycle by Qingsong Pu, Junhong Huang, Fuling Zeng, Yi Luo, Xinping Li, Jixue Zhou, Shilong Zheng

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Design and in-situ biomimetic fabrication of a high-density strain sensor array for parachute canopy fabric by Hui Li, Jiangang He, Chunzu Liang, Fengjiao Bin, Xu Li, Xianda Wang, Zihao Wang, Xiangxiao Bu, Dengbao Xiao, He Jia, Wei Rong

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Modeling Dendrimers Charge Interaction in Solution: Relevance in Biosystems by Domenico Lombardo

“…The ability to be designed for specific applications makes dendrimers unprecedented components to control the structural organization of matter during the bottom-up synthesis of functional nanostructures. …”
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On the Force Drop Off Phenomenon in Shaker Testing in Experimental Modal Analysis by Paulo Sergio Varoto, Leopoldo Pisanelli Rodrigues de Oliveira

“…Despite being widely used, it is well known that the shaker interacts with the structure under test. In particular, when the structure passes through a given resonance, the force delivered by the shaker abruptly decreases, causing the so called drop off phenomenon. …”
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Research on topology optimization design of wind turbine blade webs by FAN Shijie, SHOU Haonan, MIAO Weipao, ZHU Haibo, LI Chun, YUE Minnan

“…ObjectiveStructural optimization of wind turbine blades is one of the most important ways to enhance performance, reduce mass and lower costs. …”
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Philosophical Analysis of the Meaning and Nature of Entropy and Negative Entropy Theories by Kun Wu, Qiong Nan, Tianqi Wu

“…Since entropy and negative entropy theories only measure the relationship of structural differences at a specific level of the system from a formal aspect, they are not aimed at the information itself but rather they are aimed at only the structuralization characteristics of the information carrier itself at a specific level. …”
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Inspection and Numerical Analysis of an Ottoman Railway Bridge in Jordan by Amin H. Almasri, Qusai Fandi Al-Waked

“…The bridge stone material was cut and tested to determine its strength, in order to be used in the analysis. The structural analysis was carried out to assess the structural condition of the bridge and its suitability for reuse. …”
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Design and Characteristic Research of the Spindle Box of Vertical Machining Center by Gao Dongqiang, Yang Lei, Sun Qian, Zhang Xifeng

“…Headstock is the key components of the high speed vertical machining center,its static stiffness,dynamic characteristics has great effect on machining precision and stability of machining center.Taking DVG850 high speed vertical machining center spindle box as the research object,the design scheme of geometrical model of four kinds of different structure of spindle box is established,by using the finite element simulation software,the simulating calculation of the statics,modal and harmonic response of the spindle box are carried out,the resonance region of spindle box under static stiffness,natural frequency,vibration mode and the excitation frequency are got.Through the comparison analysis of finite element simulation of cloud and data,known that scheme two rib structure is the best layout,it is indicated that the research method can be to improve the spindle box structure natural frequency and increase the structure stiffness.provides the basis for avoiding resonance,for other machine tool spindle box the theory basis for optimization of structural design and improvement is provided,the design cycle can be shorten.…”
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Numerical Study on the Local Buckling Behaviour of Bolted Steel Plates in Steel Jacketing by Xiao-liang Xu, Zhou-dao Lu, Ling-zhi Li, Chang-jiu Jiang

“…Fitted formulae were developed to calculate the structural field capacity of the bolted steel plates, and recommended values of stiffener size were also provided to facilitate the strengthening design of steel jacketing.…”
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