Showing 2,221 - 2,240 results of 3,115 for search '"mathematical models"', query time: 0.07s Refine Results
  1. 2221

    Numerical Simulations and Design Optimization of the PHT Loop of Natural Circulation BWR by G. V. Durga Prasad, G. Gopa Kishor, Manmohan Pandey, Uday S. Dixit

    Published 2008-01-01
    “…Mathematical modeling and numerical simulation of natural circulation boiling water reactor (NCBWR) are very important in order to study its performance for different designs and various off-design conditions and for design optimization. …”
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    Article
  2. 2222

    Effectiveness of iNTS vaccination in sub-Saharan Africa by Daniele Cassese, Nicola Dimitri, Gianluca Breghi, Tiziana Spadafina

    Published 2025-01-01
    “…We developed a mathematical model to evaluate the impact of a vaccine for iNTS in 49 countries of sub-Saharan Africa. …”
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    Article
  3. 2223

    Fuzzy Inference-Based Adaptive Sonar Control for Collision Avoidance in Autonomous Underwater Vehicles by Kot Rafał

    Published 2024-12-01
    “…Simulations conducted based on the mathematical model of the AUV confirmed that the proposed approach increased the effectiveness of collision avoidance systems for AUVs compared to classical echosounder and sonar-based systems.…”
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  4. 2224

    Global and Local Structures of Bifurcation Curves of ODE with Nonlinear Diffusion by Tetsutaro Shibata

    Published 2018-01-01
    “…This equation is related to the mathematical model of animal dispersal and invasion, and λ is parameterized by the maximum norm α=uλ∞ of the solution uλ associated with λ and is written as λ=λ(α). …”
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  5. 2225

    Analytical solution for the problem of pure bending of orthotropic micropolar plate by Damjan Jurković, Gordan Jelenić, Sara Grbčić Erdelj

    Published 2024-12-01
    “…Here we consider an orthotropic form of such a problem, whereby two Young’s moduli, four Poison’s ratios and one characteristic length for bending are found to be sufficient to propose a mathematical model of this problem. General equations of the isotropic micropolar continuum are introduced, and the analytical solution for the pure bending of an isotropic micropolar plate is generalized to the case of orthotropic microstructure. …”
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  6. 2226

    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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  7. 2227

    Design and Research of a New Seal Ring Bush Silent Chain by Fu Zhenming, Li Cunzhi, Wang Guibin

    Published 2024-08-01
    “…The structural innovation, mathematical modeling process and meshing principle of the silent chain are explained, and the RecurDyn dynamic simulation models of the new seal ring bush silent chain and a roller chain are established, which generate the operating wave curve caused by the polygon effect in the meshing process. …”
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  8. 2228

    DYNAMIC RESPONSES OF THE ELECTRICAL MEASURING SENSOR AND THE SIMPLY-SUPPORTED BEAM WITH TRANSVERSE MOVING LOAD by LIN Yun, BAI Yun

    Published 2015-01-01
    “…In this paper,the definite mathematical model was proposed before hand; and the model can be divided into two sub-problems considering of the linearity of the problem,then the method of separation of variables and the inherent function method were used to give the theoretical solutions respectively,an numerical example were introduced to give the deflection responses and the stress responses of the simply-supported beam and the dynamic responses of the capacitor of the sensor in order to illustrate the important effects of the dynamic effects. …”
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  9. 2229

    Analysis of Bio-Sorption of Cr(VI) onto Raw Rice Husk by a Hybrid Theoretical Model Using Results of Batch Experiments by Debasish Sarkar, Sudip K Das, Amitava Bandyopadhyay

    Published 2013-08-01
    “…Experimental results follow the Langmuir adsorption isotherm reasonably well. A hybrid mathematical model that takes into account the shrinking core approach coupled with the well-known progressive conversion model has been proposed to simulate the dynamic behaviour of the present system using the results obtained from the batch adsorption experiments. …”
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    Article
  10. 2230

    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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    Article
  11. 2231

    Research on HILS Technology Applied on Aircraft Electric Braking System by Suying Zhou, Hui Lin, Bingqiang Li

    Published 2017-01-01
    “…Using this method, a detailed mathematical modeling of system is proposed first. Studies on reducing sampling time with model simplification and modeling for applying to I/O interface of DSP and HILS are conducted. …”
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    Article
  12. 2232

    Research of the Traction Control of Flexible Work Surface Belt Drive of Heavy Duty Construction Vehicle by Lou Jie

    Published 2015-01-01
    “…To reduce the energy consumption of heavy duty construction vehicle pollution,and improve the capacity of the complex conditions of the vehicle,the multi-metal complex with stepless transmission and front / rear axle torque distribution device in the traditional drive system are imported,a new mathematical model of heavy duty four-wheel heavy duty construction vehicle is established,finally,a four-wheel drive heavy duty construction vehicle traction integrated control strategy is obtained.The results show that large ratio change conditions required for the engine reaches maximum speed of the longest and highest speed reached a minimum;small ratio change conditions can achieve high speed,the speed curve more smooth and steady acceleration phase speed change under the conditions of large ratio rate change;after the introduction of traction control system,slip phenomenon can be well suppressed over a driving wheel,the drive wheel speed control range of the space in the target vehicle speed.…”
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  13. 2233

    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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  14. 2234

    Simulation Research of Transmission System of Hybrid Electric Vehicle by Ji Duan

    Published 2016-01-01
    “…According to the bond graph model of the overall vehicle transmission system,the state equation( the mathematics model of the overall transmission system) is listed. …”
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  15. 2235

    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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  16. 2236

    基于面心组合的排气歧管响应曲面优化设计 by 刘伟, 张勇, 程天才, 王海燕

    Published 2021-01-01
    “…In order to solve the limitations caused by the engine exhaust manifold structure optimization which usually adopts single factor control variable method or orthogonal test leading to the insignificant parameter interaction,the face centered combination method in the central composite design is used to respond to surface optimization,taking the engine exhaust manifold of a heavy chemical vehicle as the research object,the exhaust 38 groups of manifold structural parameters finish the fast matching,the mathematical model is established and polynomial response regression equation is concluded,fitting out of the exhaust manifold optimum structural parameters and corresponding flow uniformity index,additionally,the results of response surface optimization is verified by the numerical simulation.The results show that when the four branches are combined,the optimal structure fluid flow uniformity index of the exhaust manifold by the response surface method based on the face centered combination way is improved from the original 0.76 to 0.82,which is 6% higher than the initial structure.…”
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  17. 2237

    Numerical simulation and industrial practice of inclusion removal from molten steel by gas bottom-blowing in continuous casting tundish by Meijie Z., Huazhi G., Ao H., Hongxi Z., Chengji D.

    Published 2011-01-01
    “…The residence time distribution (RTD) of molten steel in the tundish was calculated by mathematical modeling. The content of small size inclusions in the slab was analyzed using a oxygen probing and metallographic images. …”
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  18. 2238

    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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  19. 2239

    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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  20. 2240

    Analysis of Scraper Conveyor Chain Drive System based on Matlab and VB by Mao Jun, Dong Xianrui, Lu Jinnan, Liu Xifu, Yan Jianglong

    Published 2016-01-01
    “…In order to improve the efficiency and reliability of the scraper conveyor chain drive system parametric design,the finite element mathematical model is built and the parametric analysis and calculation is carried out by using the software interface of optimizing design for scraper conveyor developed on the basis of VB by calling database information and using com pieces interface technology of Matlab. …”
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