Showing 3,081 - 3,100 results of 4,630 for search 'shaping efficiency efficient', query time: 0.17s Refine Results
  1. 3081

    A Robust and Versatile Numerical Framework for Modeling Complex Fractional Phenomena: Applications to Riccati and Lorenz Systems by Waleed Mohammed Abdelfattah, Ola Ragb, Mohamed Salah, Mokhtar Mohamed

    Published 2024-11-01
    “…Our numerical results, obtained using MATLAB, demonstrate the exceptional accuracy and efficiency of this approach, with convergence rates reaching 10<sup>−8</sup>. …”
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  2. 3082

    Stability and vibration analyses of tapered columns resting on one or two-parameter elastic foundations by Masoumeh Soltani, Foudil Mohri

    Published 2014-12-01
    “…For this purpose, power series approximation is used to solve the fourth–order differential equation of non-prismatic columns with variable geometric parameters. Then, the shape functions are obtained exactly by deriving the deformation shape of the column as power series form. …”
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  3. 3083

    A Multi-Task Spatiotemporal Graph Neural Network for Transient Stability and State Prediction in Power Systems by Shuaibo Wang, Xinyuan Xiang, Jie Zhang, Zhuohang Liang, Shufang Li, Peilin Zhong, Jie Zeng, Chenguang Wang

    Published 2025-03-01
    “…To address these challenges, this paper presents a multi-task learning framework based on spatiotemporal graph convolutional networks that efficiently performs both tasks. The proposed framework employs a spatiotemporal graph convolutional encoder to capture system topology features and integrates a self-attention U-shaped residual decoder to enhance prediction accuracy. …”
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    Article
  4. 3084

    Enhancing Photocatalytic Degradation of Methyl Blue Using PVP-Capped and Uncapped CdSe Nanoparticles by Kgobudi Frans Chepape, Thapelo Prince Mofokeng, Pardon Nyamukamba, Kalenga Pierre Mubiayi, Makwena Justice Moloto

    Published 2017-01-01
    “…The transmission electron microscopy (TEM) analysis of the samples showed that 50% PVP-capped CdSe nanoparticles were uniformly distributed in size with an average of 2.7 nm and shape which was spherical-like. The photocatalytic degradation of methyl blue (MB) in water showed efficiencies of 31% and 48% when using uncapped and 50% PVP-capped CdSe nanoparticles as photocatalysts, respectively. …”
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    Article
  5. 3085

    A Generalized Method to Measure the Lorentz Factor from Gamma-Ray Burst Photospheric Emission by Oscar Wistemar, Felix Ryde, Filip Alamaa

    Published 2025-01-01
    “…The case of dissipation via subphotospheric shocks is discussed in detail, and we show that the method is particularly efficient when a low-energy spectral break is identified. …”
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  6. 3086

    Compressed Air Energy Storage in Salt Caverns Optimization in Southern Ontario, Canada by Jingyu Huang, Shunde Yin

    Published 2025-04-01
    “…In this study, optimization for essential CAES salt cavern parameters are conducted using geological data from Unit B salt deposit. Cylinder-shaped and ellipsoid-shaped caverns with varying diameters are first simulated to determine the optimal geometry. …”
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  7. 3087

    An Optimization Model for Shell Plate Seam Landing Using Minimum Manufacturing Cost and a Solution by Genetic Algorithm by Ho Rim Pae, Min Hyok Jon, Chol Jun Pak

    Published 2024-01-01
    “…In this paper, a new optimization model and its solution method for the landing of seams and butts (for convenience, seam and butt are simply called seam) on the ship hull surface are proposed in order to improve the shipbuilding efficiency. The minimum manufacturing cost of ship hull shell plates (SHSPs) is the objective function, the rules and requirements for the seam position and the size of a single shell plate are the constraints, and the position and shape of the seam are the design variables. …”
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  8. 3088

    A method integrating a non-stationary random field for constrained inversion of CSAMT data by Qianwei DAI, Luyao GUO, Yun WU, Zhexian XIONG, Dan DUAN, Zhonglin BAO, Hongfei WU, Fengyun HAO

    Published 2025-06-01
    “…ObjectiveThe inversion of controlled-source audio-frequency magnetotelluric (CSAMT) data remains challenging due to two key issues: computational efficiency and resolution. To tackle these two issues, especially the over-smoothing effect caused by traditional regularization methods in estimating complex geological structures, this study proposed an improved regularization inversion method to reflect the spatial distribution characteristics of subsurface physical property parameters more accurately. …”
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  9. 3089
  10. 3090

    Synergistic effect of outer helical fins and hybrid nanofluid on hydrothermal performance of shell and two-coil heat exchanger by Wajdi Rajhi, Aymen h. Salih, As'ad Alizadeh, Kuwar Mausam, Aashim Dhawan, Rifaqat Ali, Sachin Mittal, Kaouther Ghachem, Walid Aich

    Published 2025-08-01
    “…Heat exchangers are frequently utilized in industrial applications such as power plants, refrigeration, chemical processing, and alternative energy systems. Improving thermal efficiency is critical for reducing energy consumption and ensuring operational sustainability. …”
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    Article
  11. 3091

    Numerical Simulation of Heat Transfer in Channel with a Longitudinal Pressure Gradient by Tsynaeva A.A.

    Published 2019-08-01
    “…The most significant results obtained in the work are as follows: it was revealed that the use of holes, their geometry and location have a significant effect on the heat transfer intensity in a channel with a longitudinal pressure gradient; the design of the original horseshoe-shaped dimples has been developed, the use of which allows to intensify heat transfer by 13 ... 47% depending on the Reynolds number when they are arranged in three rows in the corridor order compared to staggered hemispherical dimples; when comparing the efficiency of using the developed dimples with hemispherical holes installed in three rows in the corridor order, the heat transfer increased by 21 ... 51% when the Reynolds number changed from 3000 to 15000.…”
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  12. 3092

    Foot trajectory as a key factor for diverse gait patterns in quadruped robot locomotion by Shura Suzuki, Kosuke Matayoshi, Mitsuhiro Hayashibe, Dai Owaki

    Published 2025-01-01
    “…This study provides a groundbreaking perspective on the essential impact of these trajectory shapes on robotic gait patterns and overall performance. …”
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  13. 3093

    Time junior middle school students invested to sports and their cognitive skill development: a time economics perspective by Hongmei Ma, Yan Liu

    Published 2024-10-01
    “…This study shades light on educational governance and time management, urging school administrators, parents and students to optimize the efficiency and utility of time resource invested in sports activities.…”
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  14. 3094

    Working Mechanism of Pile Group with Different Pile Spacing in Dense Sand by Yadong Chen, Fan Lu, Abdoullah Namdar, Jiangdong Cai

    Published 2019-01-01
    “…The pile group with 6b pile spacing had higher composite group efficiency. A joint fan-shaped displacement zone was formed beneath the pile tip for the pile group with 3b pile spacing; this pile foundation presented the block failure mechanism. …”
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  15. 3095

    Vanadium Dioxide-Based Bifunctional Metamaterial for Terahertz Waves by Man Zhang, Jiahe Zhang, Apeng Chen, Zhengyong Song

    Published 2020-01-01
    “…The designed metamaterial can convert a linear plane wave into its corresponding cross-polarized wave with the efficiency of &gt;90&#x0025; in the frequency of 2.0-3.0&#x00A0;THz. …”
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  16. 3096

    Solitonic behaviors in the coupled Drinfeld-Sokolov-Wilson system with fractional dynamics by Naher Mohammed A. Alsafri

    Published 2025-03-01
    “…The results confirmed the efficiency of the presented approach in finding solitonic solutions, which in its turn expands knowledge of nonlinear FPDEs. …”
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    Article
  17. 3097

    Developing heuristic and meta-heuristic algorithms for the problem of joint order batching and collector routing in single and multiple-cross-aisle warehouses by Zahra Shamlou, Taha Keshavarz

    Published 2024-08-01
    “…Purpose: Organization of the order selection process is one of the most important issues in warehouse management, and combining several customer orders in one order can increase the efficiency of warehouse operations and better use of resources and labor. …”
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  18. 3098

    Diffeomorphism neural operator for various domains and parameters of partial differential equations by Zhiwei Zhao, Changqing Liu, Yingguang Li, Zhibin Chen, Xu Liu

    Published 2025-01-01
    “…The framework transforms the problem of operator learning on varying domains into learning on a generic domain through a diffeomorphic mapping. The efficiency and effectiveness of DNO are validated in experiments that rapidly provide solutions to various PDEs across different domains and parameters. …”
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  19. 3099

    Power Length-Biased New XLindley Distribution: Properties and Modeling of Real Data by Suresha Kharvi, Muhammed Rasheed Irshad, Amer Ibrahim Al-Omari, Rehab Alsultan

    Published 2025-04-01
    “…Characterized by both shape and scale parameters, the PLNXL distribution effectively captures diverse hazard rate functions, including increasing, decreasing, and inverted bathtub-shaped forms. …”
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  20. 3100

    DSF-YOLO for weld defect detection in X-ray images with dynamic staged fusion by Meng Zhang, Yanzhu Hu, Binbin Xu, Lisha Luo, Song Wang

    Published 2025-07-01
    “…Abstract Weld defect detection poses significant challenges including ambiguous boundaries, diverse defect shapes, and the requirement for precise localization. …”
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