Showing 621 - 637 results of 637 for search '"numerical method"', query time: 0.08s Refine Results
  1. 621

    Estimation Model of Global Ionospheric Irregularities: An Artificial Intelligence Approach by Penghao Tian, Bingkun Yu, Hailun Ye, Xianghui Xue, Jianfei Wu, Tingdi Chen

    Published 2022-09-01
    “…The prediction of the occurrence of sporadic E layers has been extremely difficult due to the highly complex behavior. Conventional numerical methods are limited because of the inability to extract high‐level information from data. …”
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    Article
  2. 622

    Optimizing droplet coalescence dynamics in microchannels: A comprehensive study using response surface methodology and machine learning algorithms by Seyed Morteza Javadpour, Erfan Kadivar, Zienab Heidary Zarneh, Ebrahim Kadivar, Mohammad Gheibi

    Published 2025-01-01
    “…In this study, we thoroughly investigate the impact of these control parameters on droplet coalescence dynamics within a sudden expansion microchannel using two distinct numerical methods. Initially, we employ the boundary element method to solve the Brinkman integral equation, providing detailed insights into the underlying physics of droplet coalescence. …”
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  3. 623

    Behavioral analysis of steel I-beams under repeated dynamic loads: Impact of various impactor head types by Zeynep Yaman, Yusuf Sümer, Elif Ağcakoca, Mahyar Maali, Abdulkadir Cüneyt Aydın

    Published 2025-03-01
    “…In this article, the damage cases formed under the effect of the impact load acting on the weak axis of I-section steel beams under repeated impact loads are investigated and the effect of the geometric shape of the falling weight on the element behavior is evaluated by experimental and numerical methods. A 2000 mm long IPE160 section simply supported beam is subjected to impact load in the weak axis direction. …”
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  4. 624

    Explosive Performance Assessment of Buried Steel Pipeline by Seyed-Mohammad Seyed-Kolbadi, Mohammad Safi, Ayoub Keshmiri, S. Mahdi S. Kolbadi, Masoud Mirtaheri

    Published 2021-01-01
    “…With attention to regardable development of numerical methods in recent decades, it is possible to investigate the explosion effects on surface and underground structures. …”
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    Article
  5. 625

    Chemical reactions with the Casson nanofluid flow by the bioconvective behavior of microorganisms over a spinning disc by Prabhakar Sagadevan, Umadevi Raju, Meganathan Murugesan, Unai Fernandez-Gamiz, Samad Noeiaghdam

    Published 2025-01-01
    “…Using the right variables to change the nonlinear partial differential equations (PDEs) that govern the problem into a system of ordinary differential equations (ODEs) is a key step toward finding numerical solutions. Using numerical methods such as the bvp4c approach, the study explores the solutions to these intricate equations. …”
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  6. 626

    Face Boundary Formulation for Harmonic Models: Face Image Resembling by Hung-Tsai Huang, Zi-Cai Li, Yimin Wei, Ching Yee Suen

    Published 2025-01-01
    “…Face combination and resembling are performed by employing blending curves for generating the face boundary, and face images are converted by numerical methods for harmonic models, such as the finite difference method (FDM), the finite element method (FEM) and the finite volume method (FVM) for harmonic models, and the splitting–integrating method (SIM) for the resampling of constituent pixels. …”
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  7. 627

    Multistability of synchronous modes in a multimachine power grid with a common load and their global and non-local stability by Khramenkov, Vladislav Anatolevich, Dmitrichev, Aleksej Sergeevich, Nekorkin, Vladimir Isaakovich

    Published 2025-01-01
    “…The approach for reducing the effective network to the network with a hub topology (star topology) is proposed. We use numerical methods to construct a partition of the parameter space into areas with different operating modes of the power grid. …”
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  8. 628

    The Discrete Ueda System and Its Fractional Order Version: Chaos, Stabilization and Synchronization by Louiza Diabi, Adel Ouannas, Amel Hioual, Giuseppe Grassi, Shaher Momani

    Published 2025-01-01
    “…This research introduces a novel fractional discrete Ueda system based on <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="normal">Y</mi></semantics></math></inline-formula>-th Caputo fractional difference and thoroughly investigates its chaotic dynamics via commensurate and incommensurate orders. Applying numerical methods like maximum Lyapunov exponent spectra, bifurcation plots, and phase plane. …”
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  9. 629

    Estimation the pH of CO2-saturated NaCl solutions using gene expression programming: Implications for CO2 sequestration by Mohammad Rasool Dehghani, Parirokh Ebrahimi, Moein Kafi, Hamed Nikravesh, Yousef Kazemzadeh

    Published 2025-03-01
    “…Various graphical and numerical methods evaluated the developed model. Error metrics for training and testing sets showed coefficient of determination values of 0.9037 and 0.9035, and root mean square error values of 0.1172 and 0.1182. …”
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  10. 630

    Established Numerical Techniques for the Structural Analysis of a Regional Aircraft Landing Gear by F. Caputo, A. De Luca, A. Greco, A. Marro, A. Apicella, R. Sepe, E. Armentani

    Published 2018-01-01
    “…A good level of accuracy has been achieved by all the developed numerical methods.…”
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  11. 631

    Kinetic simulation of uranium migration in granite fissure media of beishan, gansu, China: A case study based on the Laplace transform and inverse transform methods by Xianzhe Duan, Cong Du, Nan Li, Jiaxin Duan, Zhenping Tang

    Published 2025-02-01
    “…In this study, the granite rock masses in Beishan, Gansu were selected to construct a physical and mathematical model of U-238 migration using the Laplace transform and inverse transform methods. Based on the numerical methods, the kinetic migration of nuclide U-238 in the fissure media of granite was simulated, and the effects of parameters such as fissure width, hydraulic gradient, diffusible area ratio and rock porosity on the migration of U-238 were investigated. …”
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  12. 632

    Dual-functional passivation on highly-efficient air-processed FAPbI₃ perovskite solar cells fabricated under high humidity without auxiliary equipment by Bo-Tau Liu, His-Sheng Su, I-Ru Chen, Rong-Ho Lee, Yi-Fang Su, Kai-Ting Sun, Shoaib Siddique

    Published 2025-01-01
    “…However, the photo-active α-phase FAPbI3 suffers the poor structural stability, easily transforming to photo-inactive δ-phase FAPbI3 at room temperature, a process that is accelerated by the moisture. While numerous methods have been proposed to address this issue, most efforts have relied on glove-box conditions, substrate heating, or air-knife flow. …”
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  13. 633

    Comparing Optimal Portfolio Performance Based on Skew-Normal Distribution and Skew-Laplace-Normal Distribution: A Mean-Absolute Deviation-Entropy Approach by Hila Rezaei, Gholamhossien Golarzi, Omid Karimi

    Published 2024-06-01
    “…Subsequently, relationships corresponding to the mathematical expectation of return distribution and the objective function representing the risk of absolute deviation were estimated using numerical methods. Therefore, this paper aimed to propose a multi-objective optimization model, namely a mean-absolute deviation-entropy model for portfolio optimization by using a goal-programming approach based on Skew-Normal Distribution and Skew-Laplace-Normal Distribution. …”
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  14. 634

    Artificial intelligence analysis of thermal energy for convectively heated ternary nanofluid flow in radiated channel considering viscous dissipations aspects by Hamid Qureshi, Amjad Ali Pasha, Muhammad Asif Zahoor Raja, Zahoor Shah, Salem Algarni, Talal Alqahtani, Waqar Azeem Khan, Moinul Haq

    Published 2025-02-01
    “…The use of AI in creating the simulations is more accurate for prediction than traditional numerical methods with an improved MSE of up to 10−14 through the Python model. …”
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  15. 635

    Optimization design of an acoustic cover layer for a cylindrical cavity based on porous materials by Bohan ZHANG, Jili RONG, Xiuyan CHENG

    Published 2025-03-01
    “…This research combines experimental approaches, including impedance tube experiments, with numerical methods, such as acoustic finite element analysis, to enhance the noise control capabilities of porous materials. …”
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  16. 636

    An efficient method for predicting the morphology of proppant packs based on a surrogate model by Tao ZHANG, Hangyu ZHOU, Yifan ZHANG, Jianchun GUO, Haoran GOU, Tang TANG

    Published 2025-03-01
    “…Currently, experimental and numerical methods are the main approaches for reproducing the proppant accumulation process and placement patterns in fractures. …”
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    Article
  17. 637

    Nécropoles multipolaires et élaboration d’un nouveau modèle socio-politique au premier âge du Fer : réflexions à partir des sites du Camp de l’Église Sud à Flaujac-Poujols (Lot) et... by Antoine Dumas

    Published 2021-12-01
    “…In order to confirm this spatial hypothesis, the typological and stylistic profiles of each group of graves were then compared, using specifically adapted typological tools and basic numerical methods. This led to the conclusion that each of the alleged groups indeed possessed its own morpho-stylistic profile. …”
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