Showing 17,881 - 17,900 results of 19,524 for search '"mathematics"', query time: 0.10s Refine Results
  1. 17881

    Towards an Optimal Energy Consumption for Unattended Mobile Sensor Networks through Autonomous Sensor Redeployment by Jian Chen, Jie Jia, Yingyou Wen, Dazhe Zhao

    Published 2014-01-01
    “…First, with the target area divided into several equal width coronas, we present a mathematical problem modeling sensor node layout as well as transmission pattern to maximize network coverage and reduce communication cost. …”
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    Article
  2. 17882

    Design, Modeling, and Analysis of a Novel Hydraulic Energy-Regenerative Shock Absorber for Vehicle Suspension by Junyi Zou, Xuexun Guo, Lin Xu, Gangfeng Tan, Chengcai Zhang, Jie Zhang

    Published 2017-01-01
    “…At first, the schematic of HERSA is presented and a mathematic model is developed to describe the characteristic of HERSA. …”
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  3. 17883

    Natural Frequncies of Coupled Blade-Bending and Shaft-Torsional Vibrations by B.O. Al-Bedoor

    Published 2007-01-01
    “…In this study, the coupled shaft-torsional and blade-bending natural frequencies are investigated using a reduced order mathematical model. The system-coupled model is developed using the Lagrangian approach in conjunction with the assumed modes method to discretize the blade bending deflection. …”
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  4. 17884

    Investigations of the Elongational Deformation Induced by Pins in Pin-Barrel Cold-Feed Extruders by Zhilin Wang, Yiren Pan, Yanchang Liu, Jing Huang, Ning Wang, Xuehua Hu

    Published 2022-01-01
    “…This paper is a study on the elongational deformation induced by pins in pin-barrel cold-feed extruders. The mathematical model is established by using simple flow field, plate model, and Newton constitutive relation. …”
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    Article
  5. 17885

    Optimization of Damper Top Mount Characteristics to Improve Vehicle Ride Comfort and Harshness by Mina M. S. Kaldas, Kemal Çalışkan, Roman Henze, Ferit Küçükay

    Published 2014-01-01
    “…A detailed and accurate damper top mount mathematical model is implemented inside a validated quarter vehicle model to provide a realistic simulation environment for the optimization study. …”
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    Article
  6. 17886

    A sustainable HazMat logistic network design considering scale of economy and route sensitivity and solving with Hybrid GA-SA by Razieh Keshavarzfard, Azam Naderi

    Published 2024-09-01
    “…This study presents a mathematical model for vehicle routing of  HazMat from economic, route sensitivity, and uncertainty perspectives. …”
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    Article
  7. 17887

    Variability of Bimodal Soil-Water Characteristic Curves under Different Confining Pressures by Achmad Syarifudin, Alfrendo Satyanaga

    Published 2021-01-01
    “…In this study, the mathematical equations were developed to explain the effect of confining pressure on SWCC. …”
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    Article
  8. 17888

    A Thermo-Hygro-Coupled Model for Chloride Penetration in Concrete Structures by Nattapong Damrongwiriyanupap, Suchart Limkatanyu, Yunping Xi

    Published 2015-01-01
    “…By developing the reliable mathematical model of chloride penetration into concrete structures, it can help structural engineers and management agencies with predicting the service life of reinforced concrete structures in order to effectively schedule the maintenance, repair, and rehabilitation program. …”
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    Article
  9. 17889

    Analysis of Density Wave Oscillations in Helically Coiled Tube Once-Through Steam Generator by Junwei Hao, Yaoli Zhang, Jianxiang Zheng, Zhiwei Zhou, Xuanyu Sheng, Gang Hong, Kai Ye, Ning Li

    Published 2016-01-01
    “…Based on the steady-state calculation, the mathematical model of single-channel system was established, and the transfer function was derived. …”
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    Article
  10. 17890

    Research and Verification of Key Techniques in the Simulation of Space Extremely Rapid Decompression in Millisecond by Junwei Wang, Lei Zhang, Guohua Li, Ran Liu, Juan Ning, Xiao Han, Xin He

    Published 2021-01-01
    “…A new reusable quick opening mechanism which can be opened in millisecond is designed to meet the testing requirement of ground simulator for extremely rapid decompression, and the testing results show that the quick opening mechanism can be opened within 0.1 s. The mathematical formulation is also developed, and the comparisons with the results from the literature demonstrate its validity. …”
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    Article
  11. 17891

    Very Fast and Accurate Procedure for the Characterization of Photovoltaic Panels from Datasheet Information by Antonino Laudani, Francesco Riganti Fulginei, Alessandro Salvini, Gabriele Maria Lozito, Salvatore Coco

    Published 2014-01-01
    “…It introduces and takes advantage of further important mathematical considerations without any model simplifications or data approximations. …”
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    Article
  12. 17892

    Topological classification of critical points for hairy black holes in Lovelock gravity by Meng-Yao Zhang, Hou-You Zhou, Hao Chen, Hassan Hassanabadi, Zheng-Wen Long

    Published 2024-12-01
    “…Abstract In various fields of mathematical research, the Brouwer degree is a potent tool for topological analysis. …”
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  13. 17893

    Integrated hybrid model of sustainable supply chain in cement industry by Kiamars Fathi Hafshejani, Majid Bagheri Sorkhi, Mahmoud Modiri

    Published 2023-09-01
    “…Then, the relevant mathematical model was presented and solved in GAMS software using NSGA-II method in MATLAB software. …”
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  14. 17894

    Variable Volumetric Stiffness Fluid Mount Design by Nader Vahdati, Mehdi Ahmadian

    Published 2004-01-01
    “…In this paper, the new design concept, and its mathematical model and simulation results will be presented.…”
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  15. 17895

    Performance Enhancement of MRAC via Generalized Dynamic Inversion by Alharith Mahmoud, Abdulrahman H. Bajodah

    Published 2025-01-01
    “…Model Reference Adaptive Control (MRAC) guarantees closed loop stability and desired steady state performance of dynamical systems without undue dependence upon their mathematical models. However, the applicability of MRAC may not be suitable for systems that are crucial to safety due to its poor transient response. …”
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    Article
  16. 17896

    The Research of Maneuverability Modeling and Environmental Monitoring Based on a Robotic Dolphin by Zhibin Xue, Liangliang Li, Yixiao Song

    Published 2021-01-01
    “…Additionally, an added tail joint allows for the turning movement with efficient parameters obtained by a fluid-structure coupling method. To obtain a mathematical model, several disturbance signals were considered, including systematic uncertainties of the parameters, the perpetually changing environment, the interference from obstacles with effective fuzzy rules, and a sliding mode of control. …”
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  17. 17897

    Numerical Simulation of Shale Gas Multiscale Seepage Mechanism-Coupled Stress Sensitivity by Xun Yan, Jing Sun, Dehua Liu

    Published 2019-01-01
    “…In this paper, an apparent permeability model which covers continue, slip, transition, and molecular flow and geomechanical effect was presented. Additionally, a mathematical model comprising multiscale, geomechanics, and adsorption phenomenon was proposed to characterize gas flow in the shale reservoir. …”
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    Article
  18. 17898

    Discrete Dynamic Modeling Analysis of Rural Revitalization and Ecotourism Sustainable Prediction Based on Big Data by Yao Tang

    Published 2022-01-01
    “…In view of this situation, this paper uses the mathematical algorithm of BP neural network to simulate the structure of brain neural network to deal with this kind of nonlinear relationship problem. …”
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    Article
  19. 17899

    Performance Prediction Model of Dynamic Pressure Oil-Air Separator by Xiaobin Zhang, Lei Lang, Xiaofeng Zhang, Hongqing Lv, Na Gao

    Published 2021-01-01
    “…Based on the aeroengine lubricating oil system test bench, this paper used a dimensional analysis method to establish a mathematical model for predicting the separation efficiency and resistance of a dynamic pressure oil-air separator suitable for engineering. …”
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    Article
  20. 17900

    Prediction of the Compressive Strength of Concrete Admixed with Metakaolin Using Gene Expression Programming by Oluwatobi O. Akin, Amana Ocholi, Olugbenga S. Abejide, Johnson A. Obari

    Published 2020-01-01
    “…One of the problems of optimization of concrete is to formulate a mathematical equation that shows the relationship between the various constituents of concrete and its properties. …”
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