Showing 2,981 - 3,000 results of 3,115 for search '"mathematical modeling"', query time: 0.09s Refine Results
  1. 2981

    Numerical and experimental study of the behavior of a protective structure under impact by D. A. Tarasov

    Published 2024-05-01
    “…The developed method is based on mathematical modelling of the conditional optimization problem. …”
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  2. 2982

    Managing agricultural water use in the Western United States: A search for efficient climate adaptation institutions by Frank A. Ward, Nicholas A. Potter, R. Aaron Hrozencik

    Published 2025-03-01
    “…Department of Agriculture data on irrigation water use patterns in the central part of the Rio Grande Basin of the American Southwest to support formulation of a mathematical model predicting water use patterns to assess impacts on farm income associated with a range of water shortages and water trading arrangements for adapting to these shortages. …”
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  3. 2983

    MODEL OF RATING OF NON PHYSICAL QUANTITY by V. M. Romanchak

    Published 2018-02-01
    “…It means that as mathematical model we defined an indirect way of finding of values of nonphysical size at an unknown way of comparison. …”
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  4. 2984

    Presentating a multi-objective optimization model for resource-constrained project scheduling regarding financial costs, time delays and the reliability function by Saeideh Naderi, Mohsen Vaez-Ghasemi, Farzad Movahedi Sobhani

    Published 2025-03-01
    “…Hence, in order to mathematically model RCPSP, the first non-linear complex integer math programming was transformed into a linear programming model using the features of exponential functions. …”
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  5. 2985

    ASSESSING THE RESULTS OF TRAINING IN DIGITAL ENTREPRENEURSHIP IN THE AGE OF HIGH AND DEEP TECH by Oleg Kaminsky, Julia Yereshko, Sergii Kyrychenko, Maryna Duchenko

    Published 2024-02-01
    “…Special considerations for using the model for higher education institutions are discussed. The proposed mathematical model has the property of universality and can be applied to obtain basic statistical samples of the level of competence acquisition based on online courses in various areas of the real sector of the economy. …”
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  6. 2986

    Real‐Time Monitoring of Ionosphere VTEC Using Multi‐GNSS Carrier‐Phase Observations and B‐Splines by Eren Erdogan, Michael Schmidt, Andreas Goss, Barbara Görres, Florian Seitz

    Published 2021-10-01
    “…The selection of a convenient approach to extract ionosphere information from GNSS and the representation of VTEC by an appropriate mathematical model are essential factors for providing fast and accurate ionosphere products. …”
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  7. 2987

    Coverage Probability and Area Spectral Efficiency of Full Duplex Communication in C-V2X Network With Dual Connectivity by Adeel Ahmad, Muhammad Nadeem Sial, Junaid Ahmed, Sadiq Ullah

    Published 2024-01-01
    “…We have derived mathematical model for success probability of FD for C-V2X network and formulated expressions for area spectral efficiency (ASE). …”
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  8. 2988

    Occult metastases and survival of lung cancer by clinical diagnosis and CT screening: A simulation study. by Xing Chen, Ghulam Muhammad Kanhar, Songli Hu, Chaomin Wu, Guanqun Chao, Mengqi Jing, Fengjiang Zhang, Millennia Young, Marek Kimmel, Liying Chen, Olga Y Gorlova

    Published 2025-01-01
    “…<h4>Methods</h4>We used previously designed and validated mathematical models to obtain the characteristics of LC in the population including undetectable metastases at the time of diagnosis. …”
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  9. 2989

    The Study on Blockchain Adoption Strategies for Pharmaceutical Regulatory Products Under Dual-Channel Competition by Jianan Chen, You Xiao, Nianxing Yuan, Yong Wang, Jiamin Zhang, Lihui Wang

    Published 2024-01-01
    “…The methodology involves developing mathematical models for each scenario using parameters such as pricing, demand, and profit, followed by deriving equilibrium decisions for each model. …”
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  10. 2990

    Prediction of Heavy Oil Production Based on Geomechanical Analysis in Entire Lifecycle of SAGD by Dengke Li, Shaowen Zhu, Yanchao Li, Shijie Shen, Zupeng Chen, Zhanli Ren, Yuxuan Zhou, Yanfang Gao

    Published 2025-01-01
    “…In this paper, a new mathematical model of crude oil production‐geomechanical coupling was established for three stages of the SAGD life cycle (steam chamber breakthrough stage, rising stage, and lateral dilation stage). …”
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  11. 2991

    An Efficient and Accurate Adaptive Time-Stepping Method for the Landau–Lifshitz Equation by Hyundong Kim, Soobin Kwak, Moumni Mohammed, Seungyoon Kang, Seokjun Ham, Junseok Kim

    Published 2024-12-01
    “…This article presents an efficient and accurate adaptive time-stepping finite difference method (FDM) for solving the Landau–Lifshitz (LL) equation, which is an important mathematical model in understanding magnetic materials and processes. …”
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    Article
  12. 2992

    Optimizing the Supply Chain for Recycling Electric Vehicle NMC Batteries by Fransisca Indraningsih Kasy, Muhammad Hisjam, Wakhid Ahmad Jauhari, Syed Ahmad Helmi Syed Hassan

    Published 2025-01-01
    “…We developed a mathematical model to determine the allocation of multi-product recycling products from multi-suppliers and other related entities such as manufacturers and landfills over multiple periods. …”
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  13. 2993

    Activation of implementation of information modelling technologies in the Russian construction industry by I. G. Lukmanova, E. V. Ukhalkin

    Published 2023-12-01
    “…The proposed algorithms, economic and mathematical model for calculating the expected economic effect will enable Russian construction companies to reasonably approach the process of introducing BIM in the implementation of investment and construction projects.…”
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  14. 2994

    Defense strategy of industrial control worm based on SEIPQR model by Jie PAN, Lan YE, He ZHAO, Xinlei ZHANG

    Published 2022-06-01
    “…Computer viruses keep evolving with the development of society and progress of technologies, and they become more complex and hidden.The worm virus is the earliest computer virus, which has evolved to an industrial control worm virus and caused a great impact on the safety of the industrial system.Neither the single network isolation nor the patching immunity is unable to keep up with the spreading of the worm virus.The propagation mode and characteristics of the worm virus in the industrial control system were analyzed.Based on the related works of network isolation and patching, a defense strategy against the worm virus was proposed.This strategy was originated from the fundamental infectious disease model, and then a mathematics model (SEIPQR) was proposed to simulate the trend of worm virus propagation.The model included six situations: Susceptible, Exposed, Infected, Quarantine and Recovered.The state transition diagrams of the model was created, and the calculus equations were obtained from the state transition diagrams.Under the condition that the number of system equipment is fixed, the equations were transformed.The equations were solved by solving the basic regeneration number R0, and six equation expressions of the model ware analyzed when the number of exposed hosts and infected hosts is zero.According to the principle of the Routh-Hurwitz, the system is asymptotically stable when R<sub>0</sub><1, and unstable if R<sub>0</sub>>1.Then the dynamic characteristics of the SEIPQR model under different patching probability, different isolation rate and different infection rate were compared by numerical simulation.Furthermore, the disease-free equilibrium point and endemic equilibrium point of the model were obtained.The simulation results showed that, when the whole system is infected with worm virus, timely patching the susceptible devices and isolating the network can effectively inhibit the spread of industrial control worm virus.…”
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  15. 2995

    Comprehensive Research on Energy Saving Synergy Optimization and Optimal Real-time Control of Hybrid Electric Mining Trucks by Li Hongliang, Zhang Guojing, Fan Ping

    Published 2024-07-01
    “…This study takes the hybrid electric mining truck as a research object, establishes the mathematical model of the whole vehicle, takes reducing fuel consumption as the goal, establishes a collaborative optimization model that comprehensively considers the interaction between transmission system parameters and energy management strategies, and combines particle swarm optimization (PSO) algorithm and dynamic programming (DP) algorithm to build a two-layer interactive optimization algorithm to eliminate the interaction between transmission system parameters and energy management strategies. …”
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  16. 2996

    Numerical investigation on structure optimization and heat transfer of a phase change accumulator based on changing eccentricity and fin parameters by Shi Yiting, Zhang Liting, Yang Yongwen, Zhang Tao, Li Qifen

    Published 2025-01-01
    “…Specifically, based on CFD simulation software and the enthalpy method mathematical model, a numerical model of the phase transformation process of tubular paraffin coupled with thermal conductivity and natural convection was established, and its heat absorption and heat release characteristics were simulated. …”
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  17. 2997

    Chitosan-Based Polyion Multilayer Coating on NPK Fertilizer as Controlled Released Fertilizer by Yuni Kusumastuti, Alit Istiani, Rochmadi, Chandra Wahyu Purnomo

    Published 2019-01-01
    “…On the other hand, the modification of the arrangement of chitosan-alginate layers showed that the fertilizer with the alternating layer arrangement (CA)5 was able to optimally increase the compressive strength. The mathematical model for the nitrogen release of coated fertilizer is also prepared and simulated with the MATLAB software. …”
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  18. 2998

    Optimizing Photovoltaic Panel Performance: A Comparative Study of Meta-Heuristic Algorithms by M. Sundar Rajan

    Published 2024-06-01
    “…Various optimization techniques exist, including intelligent methods that incorporate functions, constraints, contributions, mathematical models, and analysis methods. Both contemporary and traditional generation techniques are analyzed, with hybrid algorithms gaining popularity due to their reduced computational time. …”
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  19. 2999

    Risk and protective factors for ASF in domestic pigs and wild boar in the EU, and mitigation measures for managing the disease in wild boar by European Food Safety Authority (EFSA), Anette Ella Boklund, Karl Ståhl, Miguel Ángel Miranda Chueca, Tomasz Podgórski, Timothée Vergne, José Cortiñas Abrahantes, Eleonora Cattaneo, Sofie Dhollander, Alexandra Papanikolaou, Stefania Tampach, Lina Mur

    Published 2024-12-01
    “…Abstract Five epidemiological aspects of ASF were evaluated using literature reviews, field studies, questionnaires and mathematical models. First, a literature review and a case–control study in commercial pig farms emphasised the importance of biosecurity and farming practices, including the spread of manure around farms and the use of bedding material as risk factors, while the use of insect nets was a protective factor. …”
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  20. 3000

    Application of electric boilers for water apartment heat supply by A. L. Toropov

    Published 2023-09-01
    “…Calculations were carried out by methods of mathematical modelling.Results. The total power consumption capacity of an apartment household, including electric heat supply, does not exceed 15 kWh. …”
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