Showing 19,701 - 19,720 results of 21,439 for search '"mathematics"', query time: 0.12s Refine Results
  1. 19701

    Balancing the Potential Gauging Process Applied to Wave Propagation for Arbitrary Space-Times by Thomas Reum

    Published 2025-01-01
    “…This article addresses possibilities to compensate an unwanted side effect arising in the widely used gauging process of electrodynamic potentials due to mathematical conditions applied to describe propagating electromagnetic (EM) waves with a focus on radio frequency (RF). …”
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  2. 19702

    Safety Assessment of the Reconfigurable Integrated Modular Avionics Based on STPA by Changxiao Zhao, Lei Dong, Hao Li, Peng Wang

    Published 2021-01-01
    “…The method enables a detailed description of the interactions between the components and a rigorous mathematical analysis of the system, thereby diluting the effect of human factors while ensuring the accuracy and reliability of the safety constraints.…”
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  3. 19703

    Simulation and Experimental Verification of Barrel Finishing of Spiral Bevel Gears Based on the DEM by Yang Shufeng, Gao Yang, Wang Feng, Li Zhisheng, Yu Wentao, Xu Wenbo

    Published 2022-11-01
    “…A theoretical simulation and an experimental research of an aviation spiral bevel gear is carried out using the parallel spindle type barrel finishing process, a mathematical model of the process motion is established, the formula of cutting speed between abrasive and tooth surface is deduced, and the main factors affecting the result are analyzed; with the help of the Hertz-Mindlin with archard wear model of the EDEM software, the tooth surface wear is simulated; through this process, the surface quality of the disc spiral bevel gear surface is experimentally studied. …”
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  4. 19704

    Natural Polymer of Iraqi Apricot Tree Gum as a Novel Corrosion Inhibitor for Mild Steel in 1 M HCl Solution by I. M. Alwaan, Fouad Kadhim Mahdi

    Published 2016-01-01
    “…The results of weight loss method showed that the inhibition efficiency (I%) increased with the increase in both the natural polymer concentration and the temperature; therefore, chemical adsorption mechanism was suggested in this system. The different mathematical models of the adsorption isotherms were studied and the results revealed that natural polymer was found to obey Temkin, Langmuir, and Freundlich adsorption isotherm. …”
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    Article
  5. 19705

    Considerations for Building Climate-based Species Distribution Models by David N. Bucklin, Mathieu Basille, Stephanie S. Romañach, Lauren A. Brandt, Frank J. Mazzotti, James I. Watling

    Published 2016-10-01
    “…Scientists and conservation practitioners use mathematical models to predict the effects of future climate change on wildlife and plan for a biodiverse future. …”
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  6. 19706

    Intelligent analysis of the quality of educational content on statistics of student performance in the learning management system "Scorina" by A. G. Savenko

    Published 2021-07-01
    “…The structure of the developed learning management system "Scorina" and the mechanisms for creating educational content, the learning process, attestation of students and the collection of progress statistics are described. A mathematical model of educational process of learning management system "Scorina", and approach to assessing the knowledge of students are presented.The implementation of functional diagram and the algorithm of the module for the intelligent analysis of the quality of educational content of learning management system "Scorina" is proposed. …”
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  7. 19707

    Flutter Instability Speeds of Guided Splined Disks: An Experimental and Analytical Investigation by Ahmad Mohammadpanah, Stanley G. Hutton

    Published 2015-01-01
    “…The results show that the mathematical model can predict accurately the flutter instability zones measured in the experimental tests.…”
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  8. 19708

    Modeling of a Multi-Storey Building Made of Reinforced Concrete, Taking into Account Damage on a Deformable Foundation by Alexander A. Treshchev, Viktor G. Telichko, Anton M. Andronov

    Published 2023-10-01
    “…The construction of a mathematical model based on the finite element method for determining the stress-strain state of a 25-storey reinforced concrete building on a multilayer deformable foundation is considered. …”
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  9. 19709

    Corrections to “Frequency Limited & Weighted Model Reduction Algorithm With Error Bound: Application to Discrete-Time Doubly Fed Induction Generator Based Wind Turbin... by Sajid Bashir, Muhammad Imran, Sammana Batool, Muhammad Imran, Mian Ilyas Ahmad, Fahad Mumtaz Malik, Muhammad Salman, Abdul Wakeel, Usman Ali

    Published 2021-01-01
    “…Compared to <xref ref-type="bibr" rid="ref2">[2]</xref>, <xref ref-type="bibr" rid="ref3">[3]</xref>, mathematical model and simulations in <xref ref-type="bibr" rid="ref1">[1]</xref> are done for frequency weighted and limited scenarios for discrete time systems.…”
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    Article
  10. 19710

    Synergistic Optimization Method for URT Network Train Connection Scheme in Peak and Off-Peak Periods by Ruihua Xu, Xuyang Song, Feng Zhou, Fangsheng Wang

    Published 2022-01-01
    “…The method allows trains of different lines to form good connections at transfer stations, which can shorten the waiting time of passengers for transfers and reduce passenger retention. A mathematical model was developed to simulate the interaction between passengers and trains. …”
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  11. 19711

    Combining fractional-order PI controller with field-oriented control based on maximum torque per ampere technique considering iron loss of induction motor by Fadhil A. Hasan, Lina J. Rashad

    Published 2024-09-01
    “…Furthermore, the method is improved by considering the rotor iron loss (closest to reality). The complete mathematical analysis, modeling, and simulation are demonstrated. …”
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  12. 19712

    Employing Efficient Algorithms to Reduce the Distance Traveled in Location-Routing Problems Considering Travel and Service by Amir-Mohammad Golmohammadi, Alireza Goli, Hasan Rasay

    Published 2022-05-01
    “…Purpose: The study aims to present a mathematical model for reducing system costs by adequately locating the required warehouses and routing vehicles that carry the products from the warehouses within a time window.Methodology: Concerning the specific nature of the location-routing problem, the consumption of fuel and the depreciation of vehicles are directly affected by the distance covered. …”
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  13. 19713

    Analysis of Fission Products’ Release in Pebble-Bed High-Temperature Gas-Cooled Reactor Fuel Elements Using a Modified FRESCO II Numerical Model by Chao Fang, Chuan Li, Jianzhu Cao, Ke Liu, Sheng Fang

    Published 2021-01-01
    “…However, it has been found that the mathematical method of this code is not comprehensive, resulting in large errors for short-lived nuclides and large time step during calculations. …”
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    Article
  14. 19714

    Finite Element and Multibody Dynamics Analysis of a Ball Mill Glass Crusher by Jihad Rishmany, Rodrigue Imad

    Published 2023-01-01
    “…The design methodology consisted of mathematical modeling coupled with numerical simulations to ensure a safe and functioning design. …”
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  15. 19715

    Development of an Ensemble Intelligent Model for Assessing the Strength of Cemented Paste Backfill by Yuantian Sun, Guichen Li, Junfei Zhang, Junbo Sun, Jiahui Xu

    Published 2020-01-01
    “…Predicting the UCS of CPB using traditional mathematical models is far from being satisfactory due to the highly nonlinear relationships between the UCS and a large number of influencing variables. …”
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  16. 19716

    The Nonlinear Distortions in the Oscillatory System of Generator on CFOA by Yuriy Konstantinovich Rybin

    Published 2012-01-01
    “…As a rule, the analysis of such systems is made by applying mathematical modeling methods on the basis of the amplifier linear model, which does not allow estimating advantages and disadvantages of the systems realized with those amplifiers in comparison with classical systems. …”
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  17. 19717

    Analytical Method for Fluid-Solid Coupling Vibration Analysis of Hydraulic Pipeline System with Hinged Ends by Tianxiao Zhang, Jin Cui

    Published 2021-01-01
    “…Through the application of relevant mathematical theories and methods, the derivation of the inherent characteristics and dynamic behavior of a hydraulic pipeline system with two hinged ends is simplified, and the corresponding equations for the natural frequencies and dynamic response of the system are obtained. …”
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  18. 19718

    Effect of Roundness Error of Inner and Outer Raceway on Rotation Accuracy of Four-point Contact Ball Bearing by Yue Chen, Ming Qiu, Kaiwen Tian, Hui Du, Xu Yang

    Published 2020-05-01
    “…According to the structural characteristics and motion relationship of the four-point contact ball bearing, the mathematical model of the bearing radial runout is constructed,and the program is programmed on Matlab for simulation calculation. …”
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  19. 19719

    Effects of the dynamics of noise-induced calcium signals in a biophysical model of the astrocytic process by Ermolaeva, Anastasia Viktorovna, Kastalskiy, Innokentiy A., Kazantsev, Viktor Borisovich, Gordleeva, Susanna Yurevna

    Published 2025-01-01
    “…The purpose of this work is to study the effects of spatio-temporal dynamics of spontaneous calcium signaling in the morphological structure of an astrocyte at the subcellular level using biophysical mathematical modeling methods. Methods. This work proposes a biophysical multicompartmental model of noise-induced calcium dynamics in the astrocytic process. …”
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  20. 19720

    Enhancing the Efficiency of Routing Strategies in WSNs Using Live Streaming Algorithms by Hayder Jasim Alhamdane, Mohsen Nickray

    Published 2024-12-01
    “…In this piece, we examine the suggestion of fictitious artificial intelligence. Developing a mathematical framework is an effective approach to formulating an ideal green routing strategy that addresses the shortcomings of conventional green networking techniques. …”
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