Showing 881 - 900 results of 2,218 for search '"mathematical models"', query time: 0.12s Refine Results
  1. 881

    Continuous and pulsed epidemiological models for onchocerciasis with implications for eradication strategy by Glenn Ledder, Donna Sylvester, Rachelle R. Bouchat, Johann A. Thiel

    Published 2018-07-01
    “…Onchocerciasis is an endemic disease in parts of sub-Saharan Africa. Complex mathematical models are being used to assess the likely efficacy of efforts to eradicate the disease; however, their predictions have not always been borne out in practice. …”
    Get full text
    Article
  2. 882

    Uncertainty Quantification for a Hydraulic Fracture Geometry: Application to Woodford Shale Data by Batoul M. Gisler

    Published 2021-01-01
    “…The reliability of these mathematical models hinges on the uncertainties in the input parameters because uncertainty propagates to the output solution resulting in incorrect interpretations. …”
    Get full text
    Article
  3. 883

    Fractional-Order Modeling and Analysis of a Variable Structure Hybrid Energy Storage System for EVs by Jianlin Wang, Dan Xu, Jiahui Zhou, Jinlu Mao

    Published 2020-01-01
    “…The establishment of a high-precision mathematical model of the hybrid energy storage system is the basis for the study of high-quality nonlinear control algorithms. …”
    Get full text
    Article
  4. 884

    An Electro Breakdown Damage Model for Granite and Simulation of Deep Drilling by High-Voltage Electropulse Boring by Changping Li, Longchen Duan, Songcheng Tan, Victor Chikhotkin, Xiaohui Wang

    Published 2019-01-01
    “…At present, there are no suitable physical mathematical models that describe electropulse boring (EPB) processes under confining pressures. …”
    Get full text
    Article
  5. 885

    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. …”
    Get full text
    Article
  6. 886

    Optimal Covid-19 Control on Effectiveness of Detection Campaign and Treatment by Mouhamadou A. M. T. Baldé, Sidy Ly, Léna Tendeng

    Published 2025-04-01
    “…The COVID-19 pandemic has seen the development of several mathematical models. In recent years, the very topical issue of re-susceptibility has led to the proposal of more complex models to address this issue. …”
    Get full text
    Article
  7. 887

    High-Power Laser Cutting of Steel Plates: Heat Affected Zone Analysis by Imed Miraoui, Mohamed Boujelbene, Mouna Zaied

    Published 2016-01-01
    “…Three input process parameters such as laser beam diameter, cutting speed, and laser power are investigated. Mathematical models for the melted zone and the heat affected zone depth are developed by using design of experiment approach (DOE). …”
    Get full text
    Article
  8. 888

    Improving diversification by a hybrid bat-Nelder-Mead algorithm and DDE for rapid convergence to solve global optimization by Enas Suhail, Mahmoud El-Alem, Omar Bazighifan, Ahmed Zekri

    Published 2024-12-01
    “…So, some algorithms contribute to improve mathematical models related to natural life problems and global optimization. …”
    Get full text
    Article
  9. 889

    Optimization and experimental validation of a high-efficiency oil–water cyclone separator for well testing conditions by Zhimin Li

    Published 2025-01-01
    “…The Plackett–Burman experimental method was employed to evaluate six factors affecting separation performance, with oil outlet diameter and cyclone chamber cone angle identified as significant factors. Mathematical models for separation efficiency and pressure drop were developed based on these factors. …”
    Get full text
    Article
  10. 890

    Sensitivity of hemodynamics in a patient specific cerebral aneurysm to vascular geometry and blood rheology by Alberto M. Gambaruto, João Janela, Alexandra Moura, Adélia Sequeira

    Published 2011-03-01
    “…Newtonian and generalized Newtonian mathematical models for blood flow are compared in two different reconstructions of an anatomicallyrealistic geometry of a saccular aneurysm, obtained from rotational CTA and differing to within image resolution.The sensitivity of the flow field is sought with respect to geometry reconstruction procedure and mathematical model choice in numerical simulations.…”
    Get full text
    Article
  11. 891

    Prediction of Soil Moisture-Holding Capacity with Support Vector Machines in Dry Subhumid Tropics by Jacob Kaingo, Siza D. Tumbo, Nganga I. Kihupi, Boniface P. Mbilinyi

    Published 2018-01-01
    “…However, they are hardly sufficient and costly to measure. Mathematical models called pedotransfer functions (PTFs) that use soil physicochemical properties as inputs to estimate soil moisture-holding capacity are an attractive alternative but limited by specificity to pedoenvironments and regression methods. …”
    Get full text
    Article
  12. 892

    Application of real options valuation in nuclear energy systems by Abdollah Arasteh

    Published 2024-09-01
    “…A wide range of operational and strategic considerations need the expanding use of mathematical models to help decision-making.…”
    Get full text
    Article
  13. 893

    Epidemic spread of influenza viruses: The impact of transient populations on disease dynamics by Karen R. Ríos-Soto, Baojun Song, Carlos Castillo-Chavez

    Published 2010-12-01
    “…Simplified versions of mathematical models involving a limited number of migratory and resident bird populations are analyzed. …”
    Get full text
    Article
  14. 894

    Techno-Economic Analysis of Power to Ammonia Production by Djire All-Fousseni, Bazzi Ahmed, El Hafdaoui Hamza, Khallaayoun Ahmed, Lghoul Rachid

    Published 2025-01-01
    “…This study introduces a novel methodology for conducting a techno-economic analysis of green ammonia production using mathematical models that meticulously parameterize plant units and technical specifications. …”
    Get full text
    Article
  15. 895

    The Computation of Flow and Heat Transfer through an Orthogonally Rotating Square-Ended U-Bend Using Low-Reynolds-Number Models by Konstantinos-Stephen P. Nikas, Hector Iacovides

    Published 2005-01-01
    “…Two-layer and low-Reynolds-number mathematical models of turbulence are used at effective-viscosity (EVM) level and also at second-moment-closure (DSM) level. …”
    Get full text
    Article
  16. 896

    Prediction of Tool Lifetime and Surface Roughness for Nickel-Based Waspaloy by Shao-Hsien Chen, Chung-An Yu

    Published 2020-01-01
    “…Finally, a set of mathematical models can be established based on these results, in order to predict the surface roughness of Waspaloy cut with a worn tool. …”
    Get full text
    Article
  17. 897

    Limits and Risks of Digital Transformation by T. S. Akhromeeva, G. G. Malinetskiy, S. A. Posashkov

    Published 2020-07-01
    “…It is very likely that the tester of artificial intelligence systems will become one of the mass professions in the close future.We give examples to show that the "translation" from "continuous" to "discrete" language can lead to qualitatively different behavior of mathematical models. In a number of problems associated with a computational experiment this can be quite significant.Great risks arise when passing to the "fast world", approaching the "Lem's barrier". …”
    Get full text
    Article
  18. 898

    Using Simplified Models to Assist Fault Detection and Diagnosis in Large Hydrogenerators by Geraldo Carvalho Brito Junior, Roberto Dalledone Machado, Anselmo Chaves Neto

    Published 2017-01-01
    “…To overcome such difficulty, this article proposes a back-to-basics step, the using of simplified mathematical models to assist hydrogenerators vibration monitoring and exemplifies this proposal by modeling a 700 MW hydrogenerator. …”
    Get full text
    Article
  19. 899

    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.…”
    Get full text
    Article
  20. 900

    Mathematical Analysis of Malaria Epidemic: Asymptotic Stability With Cost-Effectiveness Study by Sacrifice Nana-Kyere, Baba Seidu, Kwara Nantomah

    Published 2024-01-01
    “…The disease has unmatched complications in the human host, especially in children. Mathematical models of infectious diseases have been the steering wheel, driving scientists towards elucidation of the dynamic behaviour of epidemics and providing tailored strategic management of diseases. …”
    Get full text
    Article