Showing 1,541 - 1,560 results of 2,218 for search '"mathematical modeling"', query time: 0.08s Refine Results
  1. 1541

    Mixed vaccination strategy for the control of tuberculosis: A case study in China by Siyu Liu, Yong Li, Yingjie Bi, Qingdao Huang

    Published 2017-05-01
    “…This study first presents a mathematical model of TB transmission considering BCG vaccination compartment to investigate the transmission dynamics nowadays. …”
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    Article
  2. 1542

    Research of temperature destruction effect on cables insulation operation life by V. N. Pugach, D. A. Polyakov, K. I. Nikitin, N. A. Tereshchenko, I. V. Komarov

    Published 2019-12-01
    “…The article describes the thermal aging of insulating materials of low-voltage cables and its effect on their service life. The wellknown mathematical models of insulation aging dependence on temperature are considered. …”
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  3. 1543

    A Fractional-Order Model for HIV Dynamics in a Two-Sex Population by Fatmawati, Endrik Mifta Shaiful, Mohammad Imam Utoyo

    Published 2018-01-01
    “…AIDS is the rapidly spreading and becoming epidemic diseases in the world of almost complete influence across the country. A mathematical model approach of HIV/AIDS dynamic is needed to predict the spread of the diseases in the future. …”
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  4. 1544

    Optimizing Cutting Conditions and Prediction of Surface Roughness in Face Milling of AZ61 Using Regression Analysis and Artificial Neural Network by Nabeel H. Alharthi, Sedat Bingol, Adel T. Abbas, Adham E. Ragab, Ehab A. El-Danaf, Hamad F. Alharbi

    Published 2017-01-01
    “…Regression analysis was also used to build a mathematical model representing the surface roughness as a function of the process parameters. …”
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  5. 1545

    A Study on the Evaluation Method for the Operating Status of Overhead Transmission Lines Based on Analytic Hierarchy Process (AHP) by Qingbin Wang, Liang Wang, Rui Tian, Shuangpeng Cao, Shuai Zuo, Di Che, Lantao Jing

    Published 2025-01-01
    “…ABSTRACT To address the challenge of dynamically assessing overhead transmission lines under varying meteorological conditions through manual inspections and drone monitoring, this study proposes an evaluation method for the operating status of overhead transmission lines based on the Analytic Hierarchy Process (AHP). A mathematical model based on AHP is first established to perform weighted processing of five meteorological factors, generating a comprehensive meteorological dataset. …”
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  6. 1546

    Investigation on Dynamic Recrystallization Behavior of Martensitic Stainless Steel by Facai Ren, Fei Chen, Jun Chen

    Published 2014-01-01
    “…The hot deformation behavior of X20Cr13 martensitic stainless steel was studied using the hot compression flow curves corresponding to the temperature range of 900–1150°C under strain rates from 0.01 to 10 s−1. A new mathematical model to estimate the flow stress under hot deformation conditions up to the peak of the flow curves was developed. …”
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  7. 1547

    Performance Analysis of Reheat Steam Temperature Control System of Thermal Power Unit Based on Constrained Predictive Control by Xiaoli Li, Jian Liu, Kang Wang, Fuqiang Wang, Yang Li

    Published 2019-01-01
    “…Firstly, the process and mathematical model of reheat steam temperature control system are introduced. …”
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  8. 1548

    Edge Computing in an IoT Base Station System: Reprogramming and Real-Time Tasks by Huifeng Wu, Junjie Hu, Jiexiang Sun, Danfeng Sun

    Published 2019-01-01
    “…This paper includes a theoretical mathematical model that demonstrates the dynamic characteristics of BSIS along with a formulation for implementing BSIS in practice. …”
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    Article
  9. 1549

    Effect of the Boron Powder on Surface AISI W2 Steel: Experiments and Modelling by Marco Antonio Doñu Ruiz, David Sánchez Huitron, Ernesto David Garcia Bustos, Víctor Jorge Cortés Suárez, Noé López Perrusquia

    Published 2021-01-01
    “…The presence of boride was confirmed by optical microscopy, X-ray diffraction, and the distribution of alloy elements in boride layers with energy-dispersive spectrometry using scanning electron microscopy. A mathematical model of the growth kinetics of the single layer was proposed and boron diffusion coefficient was determined by mass balance equation. …”
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    Article
  10. 1550

    Modeling Wettability Variation during Long-Term Water Flooding by Renyi Cao, Changwei Sun, Y. Zee Ma

    Published 2015-01-01
    “…This paper summarizes the mechanism of wettability variation and characterizes the adsorption of polar substance during long-term water flooding from injecting water or aquifer and relates the residual oil saturation and relative permeability to the polar substance adsorbed on clay and pore volumes of flooding water. A mathematical model is presented to simulate the long-term water flooding and the model is validated with experimental results. …”
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  11. 1551

    Biomechanical Stress and Strain Analysis of Mandibular Human Region from Computed Tomography to Custom Implant Development by Rafael Ferreira Gregolin, Cecília Amelia de Carvalho Zavaglia, Ruís Camargo Tokimatsu, João A. Pereira

    Published 2017-01-01
    “…In addition to creating biomodels by computed tomography it is also possible, using this process, to create mathematical models to perform computer simulations and analyses of regions of interest. …”
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  12. 1552

    Event Forecasting in Organizational Networks: A Discrete Dynamical System Approach by Piotr Śliwa

    Published 2022-01-01
    “…Therefore, the objective of this study was (1) to fill the theoretical gap by proposing a mathematical model for organizational network event forecasting, rooted in the social science to remain consistent with the theory, and (2) to experimentally evaluate how the model performs on real data and validate if the results support its use in practical applications. …”
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  13. 1553

    Metaheuristic Approaches for Hydropower System Scheduling by Ieda G. Hidalgo, Regiane S. de Barros, Jéssica P. T. Fernandes, João Paulo F. Estrócio, Paulo B. Correia

    Published 2015-01-01
    “…The individuality of the generating units and the nonlinearity of their efficiency curves are taken into account. The mathematical model is formulated as a dynamic, mixed integer, nonlinear, nonconvex, combinatorial, and multiobjective optimization problem. …”
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  14. 1554

    Geometric design of two novel rotor profiles for Roots vacuum pumps with elliptical curve by Zhengqing Li, Xiaojun Wang, Xianhu Han, Yuhong Cai

    Published 2025-03-01
    “…This study proposes two novel elliptical rotor profiles: one designed with an elliptical curve at the top and the other with an elliptical curve at the waist. Mathematical models of the new rotor profiles were established, and profile equations were derived on a geometric method. …”
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  15. 1555

    Regulation Mechanism of Spatial Capacity of Tourist Resources in Scenic Spots Based on Internet of Things Technology by Xiaona Xie, Wenliang Zhang

    Published 2021-01-01
    “…This paper first calculates the spatial capacity of various tourism resources in a scenic spot by using mathematical model and then studies the intelligent spatial management model of tourist flow in the scenic spot based on the Internet of Things technology. …”
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  16. 1556

    Modeling of Nitrate Leaching during the Fall–Winter Season in Artificially Drained Soils by Alaa El-Sadek

    Published 2002-01-01
    “…In this study, the transport and fate of nitrate within the soil profile were analyzed by comparing field data with the simulation results of a mathematical model. The objective was to study the transport and fate of nitrate within the soil profile and nitrate leaching to shallow groundwater for the fall-winter season, by applying the methodology in Elverdinge experiment, situated in the sandy loam region in Belgium, from October 1, 2000 to March 31, 2001. …”
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  17. 1557

    Competitive Relief Supply Chain under the Uncertain Conditions by Amirabbass Boroumand, Majid Nojavan, Davood Mohammaditabar, Reza Ghaemi

    Published 2023-01-01
    “…Accordingly, in this research, a mathematical model with a leader-follower approach for relief delivery in the crisis response phase was designed, which took into account the policies of the country of Iran for the distribution of relief items. …”
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  18. 1558

    The dynamics and longevity of circulating CD4+ memory T cells depend on cell age and not the chronological age of the host. by M Elise Bullock, Thea Hogan, Cayman Williams, Sinead Morris, Maria Nowicka, Minahil Sharjeel, Christiaan van Dorp, Andrew J Yates, Benedict Seddon

    Published 2024-08-01
    “…Here, we address these issues by combining DNA labelling methods, established fate-mapping systems, a novel reporter mouse strain, and mathematical models. Together, these allow us to quantify the dynamics of both young and established circulating memory CD4 T cell subsets, within both young and old mice. …”
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  19. 1559

    Heat Transfer Analysis on the Hiemenz Flow of a Non-Newtonian Fluid: A Homotopy Method Solution by Yasir Khan, Zdeněk Šmarda

    Published 2013-01-01
    “…The mathematical model for the incompressible two-dimensional/axisymmetric non-Newtonian fluid flows and heat transfer analysis in the region of stagnation point over a stretching/shrinking sheet and axisymmetric shrinking sheet is presented. …”
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  20. 1560

    Fixed-Time Sliding Mode Control for Robotic Manipulators Based on Disturbance Observer by Tianli Li, Gang Zhang, Tan Zhang, Jing Pan

    Published 2024-01-01
    “…A novel controller using fixed-time sliding mode (FTSM) and fixed-time disturbance observer (FTDO) is proposed to achieve trajectory tracking control of robotic manipulators. First, the mathematical model is established for robots with dynamic model uncertainties and external disturbances. …”
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