Showing 2,881 - 2,900 results of 3,115 for search '"mathematical model"', query time: 0.07s Refine Results
  1. 2881

    Comparative use of different AI methods for the prediction of concrete compressive strength by Mouhamadou Amar

    Published 2025-03-01
    “…Additionally, analytical mathematical models are often used to estimate concrete characteristics. …”
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    Article
  2. 2882

    Mathematical and computational modeling for organic and insect frass fertilizer production: A systematic review. by Malontema Katchali, Edward Richard, Henri E Z Tonnang, Chrysantus M Tanga, Dennis Beesigamukama, Kennedy Senagi

    Published 2025-01-01
    “…The results show that mathematical and computational modeling can improve the efficiency and effectiveness of organic fertilizer production, leading to improved agricultural productivity and reduced environmental impact. Mathematical models such as simulation, regression, dynamics, and kinetics have been applied while computational data driven machine learning models such as random forest, support vector machines, gradient boosting, and artificial neural networks have also been applied as well. …”
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    Article
  3. 2883

    SYSTEMIC GENERATION OF SOLVING NECESSARY PROFESSIONAL THE TASKS by Vladimir M. Nesterenko

    Published 2015-10-01
    “…The article explains the widespread use of mathematical modeling and computational experiment in solving scientific and technical problems. …”
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  4. 2884

    Probabilistic Dynamics for Integrated Analysis of Accident Sequences considering Uncertain Events by Robertas Alzbutas

    Published 2015-01-01
    “…In general, there are a lot of mathematical modelling theories, which can be used separately or integrated in order to extend possibilities of modelling and analysis. …”
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    Article
  5. 2885

    Research on Financial Hedging Decision Based on Exchange Rate Risk in Transnational Supply Chain by Liang Wang, Xianyan Xiong, Mengmeng Hui

    Published 2021-01-01
    “…Thirdly, from the perspective of wholesale price agreements and revenue-sharing contracts, it discusses the impact of financial hedging behavior and bilateral exchange rate risks on the decision-making process of each member through mathematical modeling. Finally, it explores the relationships of decision variables through simulation analysis. …”
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    Article
  6. 2886

    Numerical and analytical investigation of Jeffrey nanofluid convective flow in magnetic field by FEM and AGM by Mohammad ِDehghan Afifi, Ali Jahangiri, Mohammad Ameri

    Published 2025-01-01
    “…Investigation of mass and heat transfer phenomena has been done using mathematical modeling and considering thermal radiation. …”
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    Article
  7. 2887

    THE ALLOCATION SYSTEM AND RATIONALITY MEASURES IN THE VALUATION OF MIXED-CROP AGRICULTURAL LAND by Francesca Salvo, Daniela Tavano, Giovanni Rubuano

    Published 2024-11-01
    “…The lack of information that typifies land markets makes traditional statistical and econometric models impractical. In contrast, mathematical models based on valuation systems, such as the General Appraisal System (GAS) and the Allocation System (AR), offer an effective solution. …”
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    Article
  8. 2888

    On an Impulsive Conformable M1 Oncolytic Virotherapy Neural Network Model: Stability of Sets Analysis by Gani Stamov, Ivanka Stamova, Cvetelina Spirova

    Published 2025-01-01
    “…The proposed model extends some existing mathematical models that describe the dynamics of the concentrations of normal cells, tumor cells, nutrients, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>M</mi><mn>1</mn></mrow></semantics></math></inline-formula> viruses and cytotoxic T lymphocyte (CTL) cells to the impulsive conformable setting. …”
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  9. 2889

    Parameter Extraction for Photovoltaic Models with Flood-Algorithm-Based Optimization by Yacine Bouali, Basem Alamri

    Published 2024-12-01
    “…Researchers have proposed numerous mathematical models of PV cells to facilitate the design and simulation of PV systems. …”
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  10. 2890

    Enhancing Friction Stir Spot Welding of Al 5754 and Al 6111 Joints Using Taguchi’s Technique by Vikram P N Gowda, Keshavamurthy R., Naveena B. E., Solomon Jenoris Muthiya, Joshuva Arockia Dhanraj, Johannex Fefeh Rushman, Amit Verma

    Published 2024-01-01
    “…Regression analysis was employed to formulate mathematical models predicting tensile and bending strength, and the predicted values closely matched experimental results with 80% accuracy.…”
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  11. 2891

    A Comparative Analysis of Prominent Virtual Synchronous Generator Strategies Under Different Network Conditions by Chalitha Liyanage, Inam Nutkani, Lasantha Meegahapola

    Published 2024-01-01
    “…Furthermore, comprehensive mathematical models of VSGs have been derived in order to verify the simulation results through a frequency domain stability analysis. …”
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    Article
  12. 2892

    Kinetics of Solidification and Crystallization of Liquid Axial Zone of Fe-C Alloys in Cylindrical Molds by V. Khrychikov, O. Semenov, Y. Aftandiliants, S. Gnyloskurenko, T. Semenova, H. Meniailo

    Published 2024-12-01
    “…The obtained curves can also be used to assess the accuracy of computer modeling of the processes of Fe-C alloys solidification and further adaptation of mathematical models by the correction of thermophysical coefficients, the values of which are not always known in the liquidus-solidus temperature range.…”
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  13. 2893

    Managing the Investment Attractiveness of the Federal Subjects of Russia in the Context of the UN Sustainable Development Goals by A. N. Borisov, A. I. Borodin, R. V. Gubarev, E. I. Dzyuba, E. R. Sagatgareev

    Published 2022-07-01
    “…Inter-regional gaps in the investment sphere and sanction pressure on the national economy have actualized the issue of improving the efficiency of managing investment attractiveness at the mesoscale using modern high-precision methods of economic and mathematical modeling. A number of well-known thematic ratings are used to assess the investment attractiveness of the Russian regions, whose critical analysis made it possible to identify their main shortcomings. …”
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  14. 2894

    ALGORITHMIZATION OF PROBLEMS FOR OPTIMAL LOCATION OF TRANSFORMERS IN SUBSTATIONS OF DISTRIBUTED NETWORKS by M. I. Fursanov, N. S. Petrashevich

    Published 2014-08-01
    “…The possibility of such replacement is considered in order to increase efficiency of electrical network operation connected with its physical wear and aging.In this article the faults of early developed mathematical models of transformers replacement were discussed. …”
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  15. 2895

    Model-Based Design, HIL Testing, and Rapid Control Prototyping of a Low-Cost POC Quadcopter with Stability Analysis and Control by Abdullah Irfan, Muhammad Gufran Khan, Arslan Ahmed Amin, Syed Ali Mohsin, Muhammad Adnan, Adil Zulfiqar

    Published 2022-01-01
    “…This paper addresses this issue and presents a novel proof of concept (POC) low-cost quadcopter UAV design approach using a systematic Model-Based Design (MBD) method for mathematical modeling, simulation, real-time testing, and prototyping. …”
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  16. 2896

    A novel numerical solution of nonlinear stochastic model for the propagation of malicious codes in Wireless Sensor Networks using a high order spectral collocation technique by Junjie Zhu, Misbah Ullah, Saif Ullah, Muhammad Bilal Riaz, Abdul Baseer Saqib, Atif M. Alamri, Salman A. AlQahtani

    Published 2025-01-01
    “…Abstract The open nature of Wireless Sensor Networks (WSNs) renders them an easy target to malicious code propagation, posing a significant and persistent threat to their security. Various mathematical models have been studied in recent literature for understanding the dynamics and control of the propagation of malicious codes in WSNs. …”
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    Article
  17. 2897

    Ontologies in bioinformatics and systems biology by N. L. Podkolodnyy, O. A. Podkolodnaya

    Published 2016-01-01
    “…Ontological modeling is used to develop formats for knowledge-oriented mathematical modeling of biological systems. In this sense, ontology associated with the entire set of formats, supporting research in systems biology, in particular, computer modeling of biological systems and processes can be regarded as a first approximation to the ontology of systems biology. …”
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