Showing 1,981 - 2,000 results of 3,115 for search '"mathematical model"', query time: 0.09s Refine Results
  1. 1981

    Hydrodynamic Effects of River-Lake System Connectivity on Ecological Restoration of Urban Rivers: A Case Study of Liede River by WANG Shaobo, ZHANG Shu, XIONG Yulong, ZHOU Xinmin

    Published 2025-01-01
    “…To investigate the hydrodynamic effects of river-lake system connectivity on the ecological restoration of urban rivers supplemented by reclaimed water, a four-tier framework was employed to establish a mathematical model of river-lake hydrodynamics and pollutant transport by using the Liede River as an example. …”
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    Article
  2. 1982

    Numerical Simulation of the Thermal-Hydro-Mechanical Characteristics of High-Speed Railway Roadbeds in Seasonally Frozen Regions by Yuzhi Zhang, Jianghui Bei, Pei Li, Xiaojie Liang

    Published 2020-01-01
    “…A multiphysics mathematical model of high-speed railway (HSR) roadbeds is necessary to facilitate a good level of understanding of the frost heaving mechanism. …”
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    Article
  3. 1983

    INFLUENCE OF THE TIME OF DISINHIBITION TO TRANSIENTS AND WEAR OF THE FRICTION LININGS IN AN ASYNCHRONOUS MOTOR by V. V. Solencov, V. V. Brel

    Published 2016-09-01
    “…The pilot study confirmed the validity of the obtained mathematical models and discovered patterns.…”
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    Article
  4. 1984

    Effect of Seepage Velocity on Formation of Shaft Frozen Wall in Loose Aquifer by Jian Lin, Hua Cheng, Hai-bing Cai, Bin Tang, Guang-yong Cao

    Published 2018-01-01
    “…Based on hydrothermal coupling theory and considering the effect of decreased absolute porosity on seepage during the freezing process, a mathematical model of hydrothermal full-parameter coupling with a phase change is created. …”
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    Article
  5. 1985

    Modeling the control of infectious diseases: Effects of TV and social media advertisements by Arvind Kumar Misra, Rajanish Kumar Rai, Yasuhiro Takeuchi

    Published 2018-11-01
    “…Therefore, in this paper, we propose a mathematical model to see how TV and social media advertisements impact the dynamics of an infectious disease. …”
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    Article
  6. 1986

    Single stage auction clearing model for electricity market considering congestion by R.R. Lekshmi, S. Balamurugan

    Published 2025-03-01
    “…The approach involves modelling of the market clearing mechanism as an optimization problem with the aim of maximizing the producer and consumer surplus, meeting the power equilibrium while maintaining the line power flows within the limit. A generalized mathematical model of the problem is formulated in MATLAB Live editor and deployed on an IEEE 5-bus system, while considering two different line limit conditions. …”
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    Article
  7. 1987

    Optimization of the structure of the learning process under the given constraints by A. A. Lobaty, D. A. Konopacki

    Published 2024-01-01
    “…The article is devoted to the study of ways to optimize the mathematical model of the structure of the educational process. …”
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    Article
  8. 1988

    An Integrated Model for Production Planning and Cell Formation in Cellular Manufacturing Systems by Reza Raminfar, Norzima Zulkifli, Mohammadreza Vasili, Tang Sai Hong

    Published 2013-01-01
    “…In this paper, a mathematical model is developed using an integrated approach for production planning and cell formation problems in a CM. …”
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    Article
  9. 1989

    Hybrid in-situ and ex-situ hydrolysis of catalytic epoxidation neem oil via a peracid mechanism by Ismail Md. Rasib, Mohd Jumain Jalil, Nabisab Mujawar Mubarak, Intan Suhada Azmi

    Published 2025-01-01
    “…ANOVA revealed the significant order of parameters as reaction stop time > water addition time > water/neem oil molar ratio. Lastly, a mathematical model was developed using MATLAB, applying the fourth-order Runge–Kutta method and simulated annealing optimization to determine the best-fitting kinetic model. …”
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    Article
  10. 1990

    A Fuzzy Delay Approach for HIV Dynamics Using a Cellular Automaton by R. Motta Jafelice, C. A. F. Silva, L. C. Barros, R. C. Bassanezi

    Published 2015-01-01
    “…The objective of this research is to study the evolution of CD4+ T lymphocytes infected with HIV in HIV-seropositive individuals under antiretroviral treatment utilizing a mathematical model consisting of a system of delay-differential equations. …”
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    Article
  11. 1991

    Water Absorption Behavior of Teff (Eragrostis tef) Straw Fiber-Reinforced Epoxy Composite: RSM-Based Statistical Modeling and Kinetic Analysis by S. Venkatesa Prabhu, Vincent Herald Wilson, K. T. Anand, S. Jose, S. Sivamani, Chinnasamy Gomadurai, Melkamu Kifetew

    Published 2022-01-01
    “…The investigation on mathematical model for water absorption property at different fiber loadings (4%, 8%, 12%, 16, and 20%) was carried out, and the analysis on the kinetic behavior of water absorption was also investigated. …”
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    Article
  12. 1992

    Reliability-Based Fatigue Life Prediction for Complex Structure with Time-Varying Surrogate Modeling by Lu-Kai Song, Guang-Chen Bai, Cheng-Wei Fei, Jie Wen

    Published 2018-01-01
    “…By integrating the proposed space-filling Latin hypercube sampling technique and PSO-GRNN regression function, the mathematical model of TV/PSO-GRNN is studied. The reliability-based fatigue life prediction framework is illustrated in respect of the TV/PSO-GRNN surrogate model. …”
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    Article
  13. 1993

    Evolution of parasite transmission dispersion by Hannelore MacDonald, Sebastian Bonhoeffer, Roland Regoes

    Published 2025-01-01
    “…This study considers whether increased transmission dispersion can be, in part, an emergent property of parasite adaptation to heterogeneous host populations. We develop a mathematical model using a Price equation framework to address this question that follows the epidemiological and evolutionary dynamics of a general host–parasite system. …”
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    Article
  14. 1994

    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
  15. 1995

    Analytical Solution of Tidal Loading Effect in a Submarine Leaky Confined Aquifer System by Zongzhong Song, Hailong Li, Qian Ma, Chunmiao Zheng, Jiu Jimmy Jiao, Shaohong Li

    Published 2019-01-01
    “…A one-dimensional mathematical model is established to describe the problem, and the analytical solution is derived. …”
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    Article
  16. 1996

    Numerical Analyses of Static Characteristics of Liquid Annular Seals Based on 2D LBM-LES Model by Zhenjie Zhang, Lulu Zhai, Jia Guo, Zuchao Zhu, Guoyou Chen

    Published 2021-01-01
    “…In this paper, a two-dimensional (2D) mathematical model for predicting the leakage flow rates and static characteristics of liquid seal is established, based on the lattice Boltzmann method (LBM) combined with the D2G9 velocity model for incompressible fluid and large eddy simulation (LES) turbulence model, in which the transformation equation of reference pressure is developed with the Bernoulli equation. …”
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    Article
  17. 1997

    Optimizing cut order planning: A comparative study of heuristics, metaheuristics, and MILP algorithms by Sharif Al-Mahmud, Jose Alejandro Cano, Emiro Antonio Campo, Stephan Weyers

    Published 2025-01-01
    “…The first approach uses conventional metaheuristic algorithms, while the second transforms the nonlinear COP mathematical model into a Mixed Integer Linear Programming (MILP) problem and uses commercial solvers for solution. …”
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    Article
  18. 1998

    Research on the Distribution of Emergency Supplies during the COVID-19 Epidemic by Jian-guo Zheng, Qing Yang, Shui-lin Chen

    Published 2023-01-01
    “…With the shortest total distribution distance as the objective function, a mathematical model of mixed integer linear programming is established, and the crossover operation of the genetic algorithm, the destruction operator and the repair operator of the large neighborhood search algorithm are introduced in the brain storm optimization algorithm to enhance the diversity of the solution while making the solution toward the optimal direction. …”
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    Article
  19. 1999

    Modeling and simulation of carbon-nanocomposite-based gas sensors by Roopa Hegde, Punya Prabha V, Shipra Upadhyay, Krishna S B

    Published 2025-01-01
    “…Given the high cost associated with the development of these sensors, it becomes imperative to establish a mathematical model for economically predicting their behavior. …”
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    Article
  20. 2000

    Influence of Salts on the Adsorption of Lysozyme on a Mixed-Mode Resin by Jannette Kreusser, Fabian Jirasek, Hans Hasse

    Published 2021-01-01
    “…At constant ionic strength, the highest lysozyme loadings were observed for ammonium sulfate, the lowest for sodium chloride. A mathematical model was developed that correctly describes the influence of the ionic strength as well as the influence of the studied salts. …”
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    Article