Showing 17,861 - 17,880 results of 19,524 for search '"Mathematics"', query time: 0.09s Refine Results
  1. 17861

    Modeling the contour arc based on Dezargues configuration by E. V. Konopatskiy, I. G. Balyuba

    Published 2022-06-01
    “…A new geometric algorithm for modeling the contour arc in the form of a curve of one relationship based on the Dezargues configuration, parameterization of which is performed using the mathematical apparatus "Point Calculus", is proposed. …”
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  2. 17862

    MIMO With 1-b Pre/Postcoding Resolution: A Quantum Annealing Approach by Ioannis Krikidis

    Published 2024-01-01
    “…The algorithm is associated with a rigorous mathematical framework that casts the pre/postcoding vector design to appropriate real-valued quadratic unconstrained binary optimization (QUBO) problems. …”
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  3. 17863

    Ship Pipe Layout Based on Grid Normalized Astar Algorithm by LIN Yan, ZHANG Qiaoyu, LOU Jiandi

    Published 2025-01-01
    “…In order to solve the existing problems of relying on manual experience to adjust the algorithm parameters, large difference of weight coefficient, and single result in ship pipe layout, a grid normalized Astar (GNAstar) is proposed. First, the mathematical models are established using bounding box and the grid method. …”
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  4. 17864

    A Hybrid Load Balancing Scheme for Games in Wireless Networks by Hye-Young Kim, Hwa-Jin Park, Seojeong Lee

    Published 2014-05-01
    “…We address the key functions for our proposed scheme and simulate the efficiency of our proposed scheme using mathematical analyses. We then testify that the proposal has best performance compared with previous researches.…”
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    Article
  5. 17865

    Observer Based Optimal Vibration Control of a Full Aircraft System Having Active Landing Gears and Biodynamic Pilot Model by Hakan Yazici, Mert Sever

    Published 2016-01-01
    “…An eleven-degree-of-freedom detailed full aircraft mathematical model having active landing gears and a seated pilot body is developed to control and analyze aircraft vibrations caused by runway excitation, when the aircraft is taxiing. …”
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    Article
  6. 17866

    Geographic recommender systems in e-commerce based on population by Mohamed Shili, Osama Sohaib

    Published 2025-01-01
    “…The method also includes a mathematical model that considers population intensity to refine further recommendations established on the regional model.…”
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    Article
  7. 17867

    Multimode Coordination Control of a Hybrid Active Suspension by Fa-Rong Kou, Dong-Dong Wei, Lei Tian

    Published 2018-01-01
    “…Firstly, for the analysis of the suspension performance, a quarter dynamic model of vehicle hybrid suspension is established, and at the same time, the mathematical models of MR damper and ball screw actuator are founded. …”
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  8. 17868

    Overcoming System Complexity using Models and Knowledge Structures. Editorial Introduction to Issue 36 of CSIMQ by Erika Nazaruka, Tarmo Robal

    Published 2023-10-01
    “…Models can have various forms from textual, tabular, mathematical, and graphical to a combination of these formats. …”
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    Article
  9. 17869

    Numerical Simulation and Analysis of Diffusion Process for the Leakages of a Tunnel LNG Pipeline by Chunyan Kong, Derong Zhang, Rong Cai, Shuangshuang Li, Rongjun Zhu

    Published 2020-01-01
    “…Taking a practical project as an example, based on the computational fluid dynamics (CFD), standard k-ε model and finite element method, a mathematical model for the diffusion due to liquefied natural gas (LNG) pipeline leakage in a tunnel was established, and the diffusion process was numerically simulated for three LNG leakage cases. …”
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    Article
  10. 17870

    Green's Function and Convergence of Fourier Series for Elliptic Differential Operators with Potential from Kato Space by Valery Serov

    Published 2010-01-01
    “…In particular, these results can be applied for the basis of the Fourier method which is usually used in practice for solving some equations of mathematical physics.…”
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  11. 17871

    Effect of Matrix-Wellbore Flow and Porosity on Pressure Transient Response in Shale Formation Modeling by Dual Porosity and Dual Permeability System by Daolun Li, Wenshu Zha, Dewen Zheng, Longjun Zhang, Detang Lu

    Published 2015-01-01
    “…A mathematical dual porosity and dual permeability numerical model based on perpendicular bisection (PEBI) grid is developed to describe gas flow behaviors in shale-gas reservoirs by incorporating slippage corrected permeability and adsorbed gas effect. …”
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  12. 17872

    DEVELOPMENT AND APPLICATION OF A COMPUTER PROGRAM FOR FOUR-BAR LINKAGE AND SLIDER-CRANK MECHANISMS by OLADEJO KOLAWOLE ADESOLA, ADEKUNLE NURUDEEN OLATUNDE, ADETAN DARE, ABU RAHAMAN, ORIOLOWO KOLAWOLE TAOFIK

    Published 2020-07-01
    “… Complex mathematical problems have been solved with the aid of software application to obtain reliable results. …”
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  13. 17873

    Research on Shield Tunnelling Parameters Correlation in Composite Strata by Ziqi Guo, Huipeng Zhang, Xiaoyang Shi, Zhi Huang, Yiyong Xu, Zhiqiang Zhang

    Published 2022-01-01
    “…Based on the tunnel project between the Dinggong Road North Station and the People’s Park Station online 4 of Nanchang Metro during shield tunnelling construction, this paper collects thrust, torque, and revolution speed of the cutterhead during shield tunnelling in the complex strata with differentiated argillaceous siltstone and gravel and analyzes these parameters by means of mathematical statistics analysis, in order to explore the interrelationship between shield tunnelling parameters under different stratigraphic conditions and put forward optimization suggestions for tunnelling parameters, which can provide a reference for control of tunnelling parameters of earth pressure shield in composite strata.…”
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  14. 17874

    Fuzzy Semiactive Vibration Control of Structures Using Magnetorheological Elastomer by Xuan Bao Nguyen, Toshihiko Komatsuzaki, Yoshio Iwata, Haruhiko Asanuma

    Published 2017-01-01
    “…Firstly, the viscoelastic characteristics of MREs in shear mode were clarified systematically in order to achieve a mathematical basis for the controller development. Secondly, the fuzzy semiactive vibration control with a strategy based on the Lyapunov theory and dynamic characteristic of MREs was proposed for minimizing the movement of the isolator. …”
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  15. 17875

    Correlation of Surface Cracks of Concrete due to Corrosion and Bond Strength (between Steel Bar and Concrete) by Charis Alk. Apostolopoulos, Konstantinos F. Koulouris, Alkiviadis Ch. Apostolopoulos

    Published 2019-01-01
    “…The study indicates close relationship between the width of surface cracking, the percentage mass loss of embedded reinforcing bar, the distance between stirrups, and the cover thickness. In addition, mathematical predictive models of bond strength loss of corroded specimens were proposed. …”
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  16. 17876

    A Novel Method for Economic Dispatch with Across Neighborhood Search: A Case Study in a Provincial Power Grid, China by Guojiang Xiong, Jing Zhang, Xufeng Yuan, Dongyuan Shi, Yu He, Yao Yao, Gonggui Chen

    Published 2018-01-01
    “…Economic dispatch (ED) is of cardinal significance for the power system operation. It is mathematically a typical complex nonlinear multivariable strongly coupled optimization problem with equality and inequality constraints, especially considering the valve-point effects. …”
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  17. 17877

    Design and Construction of the Real Felipe Fortress of Callao: Analysis of the Military Treatise and Layout Using Photogrammetry and GIS by Diego Javier Celis-Estrada, Pablo Rodriguez-Navarro, Teresa Gil-Piqueras

    Published 2025-01-01
    “…This research sought to identify the architectural theories influencing its design, the adaptations necessary for its coastal location, and the underlying mathematical and military concepts. Photogrammetry based techniques and a geographic information system (GIS) were used for georeferencing historical planimetry, along with the analysis of historical documents. …”
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  18. 17878

    Analysis Technology of Tennis Sports Match Based on Data Mining and Image Feature Retrieval by Hong Huang, Risheng Deng

    Published 2020-01-01
    “…Moreover, this paper combines data mining technology to obtain effective data from massive video and image data, uses mathematical statistics and data mining technology for data processing, and scientifically analyzes tennis game technology with the support of ergonomics. …”
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  19. 17879

    Vehicle Routing Problem with Soft Time Windows Based on Improved Genetic Algorithm for Fruits and Vegetables Distribution by Peiqing Li, Jie He, Dunyong Zheng, Yongsheng Huang, Chenhao Fan

    Published 2015-01-01
    “…Fresh fruits and vegetables, perishable by nature, are subject to additional deterioration and bruising in the distribution process due to vibration and shock caused by road irregularities. A nonlinear mathematical model was developed that considered not only the vehicle routing problem with time windows but also the effect of road irregularities on the bruising of fresh fruits and vegetables. …”
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  20. 17880

    Sensing Coverage Prediction for Wireless Sensor Networks in Shadowed and Multipath Environment by Sushil Kumar, D. K. Lobiyal

    Published 2013-01-01
    “…We have proposed a new sensing channel model that considers combined impact of shadowing fading and multipath effects. A mathematical model for calculating coverage probability in the presence of multipath fading combined with shadowing is derived based on received signal strength (RSS). …”
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