Showing 1,181 - 1,200 results of 2,218 for search '"mathematical models"', query time: 0.05s Refine Results
  1. 1181

    Optimization of distribution risk of hazardous materials in the production routing problem by Amin Farahbakhsh, Amirsaman Kheirkhah

    Published 2023-11-01
    “…Given that solving the mathematical model with the nonlinear objective function is more difficult, this function is approximated by a piecewise linear function.Findings: In this research, 8 standard instances have been used to evaluate and solve the model and compare the two nonlinear and linear models. …”
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    Article
  2. 1182

    A model for utilising crises-related issues to facilitate transdisciplinary outdoor STEAM education for sustainability in integrated mathematics, language arts and technology class... by Musa Saimon, Zsolt Lavicza, Tony Houghton, Fredrick Mtenzi, Pablo Carranza

    Published 2025-01-01
    “…The development of our model was informed by the theoretical framework for Transdisciplinary STEAM proposed by Quigley and colleagues (Sch Sci Math 117:1–12, 2017; J Sci Educ Technol 29:499–518, 2020) and the model for problem mathematical modelling cycle proposed by Blum and Leiß (Mathematical Modelling, pp. 222–231, 2007. https://doi.org/10.1533/9780857099419.5.221 ). …”
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  3. 1183

    A heuristic method based on LP relexation to solve the multiple allocation modular hub location problem by Zahra Arabzadeh Nosrat Abad, Farid Momayezi, Nader Ghaffarinasab

    Published 2024-12-01
    “…Also, decisions regarding the percentage of the traffic volume sent via multiple network routes are made by the presented model.Methodology: The mathematical model, including the objective function and constraints, is constructed and solved by GAMS software. …”
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    Article
  4. 1184

    Visualization and research methodology of three-dimensional magnetic field of suspended electromagnetic iron separator with typesetting poles and pole tips by A. V. Radchenko, K. I. Nikitin, A. S. Tatevosyan, R. T. Tazhiyev

    Published 2018-04-01
    “…The modeling of such field using software packages of FE analysis (for example, ANSYS) requires additional confirmation of reliability of results of mathematical modeling of electromagnetic iron separator the experimental data got at their physical modeling. …”
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    Article
  5. 1185

    Scheme for Processing Mainline Gas at Gas Distribution Stations Using Regenerative Heat Exchangers by Baranov A.Yu., Kravchenko Yu.A., Kravchenko D.V., Baranov M.V.

    Published 2025-02-01
    “…The paper describes a mathematical model of a recuperative heat exchanger developed for setting up a computational experiment to assess the efficiency of recuperative heat exchangers in a natural gas liquefaction cycle, as well as for modeling the processes occurring in recuperative heat exchangers of liquefied natural gas production plants.…”
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  6. 1186

    Power Prediction-Based Model Predictive Control for Energy Management in Land and Air Vehicle with Turboshaft Engine by Zhengchao Wei, Yue Ma, Changle Xiang, Dabo Liu

    Published 2021-01-01
    “…First, a modeling approach based on data-driven method is adopted to obtain the mathematical model of turboshaft engine considering time delay and inertial of states. …”
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  7. 1187

    Application of Response Surface Methodology for Modeling of Postweld Heat Treatment Process in a Pressure Vessel Steel ASTM A516 Grade 70 by Prachya Peasura

    Published 2015-01-01
    “…This research studied the application of the response surface methodology (RSM) and central composite design (CCD) experiment in mathematical model and optimizes postweld heat treatment (PWHT). …”
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  8. 1188

    The technique of point visualization of the electric field in space and time by Z. M. Kurbanismailov, A. T. Tarlanov, E. M. Akimov

    Published 2021-06-01
    “…In order to reduce these costs in the modern world, the use of mathematical modeling tools for testing noise immunity and electromagnetic compatibility is becoming popular. …”
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    Article
  9. 1189

    Emission prediction and optimization of methanol/diesel dual-fuel engines based on ITransformer-BiGRU and NSGA-III by Mingzhang Pan, Xinxin Cao, Changcheng Fu, Shengyou Liao, Xiaorong Zhou, Wei Guan

    Published 2025-01-01
    “…Finally, based on the obtained mathematical model, the 3rd Non-dominated Sorting Genetic Algorithm (NGSA-III) is used to adjust and optimize the control parameters. …”
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    Article
  10. 1190

    Model for Developing a Health-Related Quality of Life Questionnaire for Chronic Obstructive Pulmonary Disease by Nikolić Emilija, Nikolić Aleksandar, Stević Ruža, Brandmajer Tijana, Mićanović Veselin, Mašnić Jelena

    Published 2018-01-01
    “…The HRQOL questionnaire was shown to be a good indicator of the health status of COPD patients. The mathematical model easily and precisely confirmed the score of HRQOL questionnaire.…”
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    Article
  11. 1191

    A Two-Dimensional Cell Model of Phases Transport in a Fluidized Bed Column: Development and Validation by Andrey Mitrofanov

    Published 2025-11-01
    “…The key aim of the study is to develop a simple yet informative mathematical model of the migration of gas and particulate solids in a fluidized bed column. …”
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    Article
  12. 1192

    Pulsation Calculation of Cylindrical Underwater Gas Explosion Products in Well by A. M. Sheiko, V. V. Ivashechkin, V. V. Veremenuk

    Published 2008-04-01
    “…The paper considers a mathematical model of pulsation process of cylindrical underwater gas explosion products in the well at gas-impulse regeneration filters. …”
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    Article
  13. 1193

    Simulation of Hardening and Cooling Processes for Moving Melts in Special Casting Technologies by R. I. Esman, I. I. Shub

    Published 2008-08-01
    “…A mathematical model and an algorithm for numerical solution of conjugate problem concerning hydrodynamics and heat transfer of hardening and cooling processes with liquid metal flow is given in the paper.Quantitative relationships between heating and hydrodynamic parameters of moving melts in the channels of metallic molds of special casting technologies have been determined in the paper. …”
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  14. 1194

    Development of a GA-Fuzzy-Immune PID Controller with Incomplete Derivation for Robot Dexterous Hand by Xin-hua Liu, Xiao-hu Chen, Xian-hua Zheng, Sheng-peng Li, Zhong-bin Wang

    Published 2014-01-01
    “…The control system of a robot dexterous hand and mathematical model of an index finger were presented. Moreover, immune mechanism was applied to the controller design and an improved approach through integration of GA and fuzzy inference was proposed to realize parameters’ optimization. …”
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  15. 1195

    New Results on the Noise Figure of HEMTs by M. A. Grado Caffaro, M. Grado Caffaro

    Published 1993-01-01
    “…In this communication, an accurate mathematical model for the noise figure of a high electron mobility transistor is developed. …”
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  16. 1196

    AN EXAMPLE OF STATISTICAL ANALYSIS USED IN STUDYING SPORTS PERFORMANCE IMPROVEMENT by Iuliana Carmen BĂRBĂCIORU, Eduard Robert SAKIZLIAN

    Published 2023-05-01
    “…The purpose of this article is to present a mathematical model using dynamic data of athletes' performance in a particular sport. …”
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  17. 1197

    DEVELOPMENT THE MODEL OF IMPROVING THE QUALITY OF TRAINING by A. Panychev

    Published 2017-03-01
    “…In particular was proposed: the algorithm for comparative evaluation of specialists based proximity measure its actual set of competencies to the standard of PPS, the mathematical model to describe the growth of competences.…”
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  18. 1198

    Existence of Optimal Control for a Nonlinear-Viscous Fluid Model by Evgenii S. Baranovskii, Mikhail A. Artemov

    Published 2016-01-01
    “…We consider the optimal control problem for a mathematical model describing steady flows of a nonlinear-viscous incompressible fluid in a bounded three-dimensional (or a two-dimensional) domain with impermeable solid walls. …”
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  19. 1199

    A Review on the Control of Second Order Underactuated Mechanical Systems by Soukaina Krafes, Zakaria Chalh, Abdelmjid Saka

    Published 2018-01-01
    “…This paper describes some important classes of two degrees of freedom of underactuated mechanical system and also surveys review of the recent state-of-the-art concerning the mathematical modeling of these systems, their classification, and all the control strategies (linear, nonlinear, and intelligent) that have been made so far (i.e., from the year 2000 to date) to control these systems. …”
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    Article
  20. 1200

    Hydrodynamics of Underwater Gas Explosion in Half-Closed Chamber Situated in Well by V. V. Ivashechkin, V. V. Veremenuk

    Published 2009-02-01
    “…The paper considers a mathematical model for pulsation process of underwater gas explosion products in a half-close cylindrical rigid chamber during gas-impulse regeneration of filters. …”
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    Article