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Author: search.filters.author.Albaijan, IbrahimLanguage: search.filters.language.English

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    Research on applicable sensor for solving the volleyball sport problem using smart nanomaterial based on dynamic simulation
    (2025-05-25)
    Li Xu
    ;
    Chen Zhang
    ;
    HABIBI, MOSTAFA  
    ;
    Albaijan, Ibrahim
    ;
    Chuangao Yin
    This research investigates the application of machine learning methodologies to optimize energy management within the context of a volleyball game, specifically focusing on the energy dynamics of the ball. Machine learning, as a discipline, provides a robust framework for the development of automated analytical models, enabling the extraction of meaningful insights from complex datasets. The ball in the volleyball games is the most important tool. The surface properties and response to hit by hand are crucial in determining the accuracy and fluency of the game. The outer material of the ball is extremely determinative in the mechanical response of the ball to the impact loading which commonly causes vibration in the ball. Therefore, in the current work vibrations of a volleyball game ball is presented. The volleyball game ball is reinforced by graphene oxide powders to improve its stability in different situation. Finally, the results show that the ball’s radius has a key role in the dynamic stability of the volleyball game ball. One of the important outcomes of the current research is that, unlike the ball’s size, heavier balls tend to be more stable when they hit the ground. The outputs of the current work can be used for future analysis of the volleyball game ball for improving its stability.
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    Advancing sports equipment performance: Leveraging rotating small-scale structures for enhanced athletic tools
    (2025-05-25)
    Yuan Wan
    ;
    Guizhi Zhang
    ;
    Zimin Chang
    ;
    HABIBI, MOSTAFA  
    ;
    Albaijan, Ibrahim
    The use of sophisticated materials and nanoscale structures in the design of sports equipment is recognized as a key strategy for boosting athletic performance. The study of spinning small-scale structures, such as nanobeams and nanotubes, is centered on their potential use in the creation of next-generation sporting equipment. The distinct characteristics of these constructions, such as improved stiffness, vibration damping, and longevity, play an important role in improving the efficiency, control, and responsiveness of various athletic equipment. Nanomaterials are used in tennis rackets, golf clubs, and hockey sticks to efficiently eliminate undesired vibrations while increasing energy transfer upon impact, boosting player comfort and performance. These structures’ rotational dynamics closely resemble real-world circumstances encountered by sports equipment, such as the swinging motion of a bat and the bending of a ski. The nonlocal strain gradient theory provides useful insights for improving material behavior in dynamic loading situations, notably in terms of size effects at the nanoscale. Case studies and practical examples demonstrate how these innovations support athletes in improving their power, accuracy, and the longevity of their equipment. A connection exists between nanotechnology and sports engineering, facilitating the development of lighter, stronger, and more efficient technologies that enhance athletic performance capabilities. The significance of diverse methods for enhancing sports technology is emphasized, providing advantages for both elite athletes and recreational users.
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    Dynamic stability and vibration responses of a volleyball game ball
    (2025-04-25)
    Zhao Daichang
    ;
    Li Aiyun
    ;
    HABIBI, MOSTAFA  
    ;
    Zhiqiang, Song
    ;
    Albaijan, Ibrahim
    This study investigates the vibrational response of a graphene oxide-reinforced volleyball under impact loading, aiming to enhance its dynamic stability. Employing Hamilton’s principle and spherical shell coordinates, we derive the governing equations for the ball’s motion under internal loading. These equations are solved using the generalized differential quadrature (GDQ) method and analytical techniques to analyze the vibrational modes. The results demonstrate a significant correlation between the ball’s radius and its dynamic stability, with variations in radius substantially affecting vibrational characteristics. Notably, we find that increased ball mass, independent of size, contributes to enhanced stability upon ground impact. This observation suggests that heavier balls exhibit improved resistance to deformation and vibration, leading to more predictable trajectories. The findings provide a quantitative basis for optimizing volleyball design by elucidating the interplay between material reinforcement, geometry, and impact dynamics, thereby facilitating the development of volleyballs with improved stability and performance.