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Showing 601 - 620 results of 9,442 for search '(structures OR structure) variation', query time: 0.21s Refine Results
  1. 601

    Many-Objective Truss Structural Optimization Considering Dynamic and Stability Behaviors by João Marcos P. Vieira, José Pedro G. Carvalho, Dênis E. C. Vargas, Érica C. R. Carvalho, Patrícia H. Hallak, Afonso C. C. Lemonge

    Published 2025-01-01
    “…This paper aims to propose seven innovative many-objective structural optimization problems (MOSOPs) applied to 25-, 56-, 72-, 120-, and 582-bar trusses, not yet presented in the literature, in which the main objectives, in addition to the structure’s weight, refer to the structures’ vibrational and stability aspects. …”
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  2. 602

    Characteristics of the macroinvertebrate community structure and their habitat suitability conditions in the Chishui River by Xinyu Li, Long Yan, Xu Zhi, Peng Hu, Chongju Shang, Baolong Zhao

    Published 2025-01-01
    “…The optimal conditions for macroinvertebrate communities in the Chishui River were determined to be a DO concentration of 9.8 mg/L and an NH3-N concentration of 0.12 mg/L.DiscussionOverall, the macroinvertebrate community structure in the Chishui River is significantly influenced by factors such as water quality, flow velocity, and substrate particle size, and it demonstrates strong adaptability to seasonal variations.…”
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  3. 603

    ANALYSIS OF STRESS AND ELASTIC MODULUS IN TRUSS STRUCTURES DESIGNED USING PYTHON-BASED SCRIPT by Eko Pujiyulianto, Muhamad Fatikul Arif, Abdul Muhyi, Fajar Paundra, Ariq Athallah, Daniel Christover Munte

    Published 2025-01-01
    “…This study aims to evaluate TPMS lattice structure designs using Python scripts, which will later be used for lattice shell helmet designs. …”
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    Article
  4. 604

    Evaluating YOLO Models for Efficient Crack Detection in Concrete Structures Using Transfer Learning by Muhammad Sohaib, Muzamal Arif, Jong-Myon Kim

    Published 2024-12-01
    “…This work introduces a comprehensive analysis of various YOLO models for detecting cracks in concrete structures, aiming to assist in the selection of an optimal model for future detection and segmentation tasks. …”
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  5. 605

    Size Effect on the Damaged Areas of Glass/Epoxy Structures under Low Velocity Impact by M. Shokrieh, F. Taheri-Behrooz, H. Haftchenari, M. Mozafari

    Published 2014-11-01
    “…These graphs may be utilized to find impact energy in real structures with a specific stacking sequence and layout, if the size of damaged area is known.…”
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  6. 606

    Mechanical and chemical element structures of sea urchin spines: specialization in ambulacral and interambulacral areas by Pathitta Suteecharuwat, Mayuka Arakawa, Yutaka Yoshida

    Published 2025-07-01
    “…However, no previous study has examined the structural distinctions between the spines in the ambulacral and interambulacral areas. …”
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  7. 607

    Decoding Facial Dissymmetry: A Comparative Morphological Study on Human Skulls and Facial Structures by Marc Divaris, MD

    Published 2025-02-01
    “…This study provides a detailed examination of facial asymmetry and its relationship with skeletal structure and soft tissues, aiming to better understand the morphological variations of the face. …”
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  8. 608

    RESEARCH ON FREE VIBRATION CHARACTERISTICS OF THIN PLATE STRUCTURES BASED ON IMPROVED FOURIER SERIES by WU Baoning, LIU Fang, DONG Rong, NIE Shaoqing, LIU Yafei

    Published 2025-06-01
    “…Firstly, the variational equation of the sheet vibration model was established by using the Hamilton energy variational principle, and the energy expressions in the equation were calculated and the displacement tolerance function was brought in. …”
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    Article
  9. 609

    Structures and determinants of soil microbiomes along a steep elevation gradient in Southwest China by Ting Li, Ting Li, Ting Li, Ziyan Gao, Ping Zhou, Ping Zhou, Mingmin Huang, Gangzheng Wang, Jianping Xu, Wangqiu Deng, Mu Wang, Mu Wang

    Published 2025-01-01
    “…Environmental factors including vegetation type (VEG), altitude (ALT), soil pH, total phosphorus (TP), nitrate nitrogen (NO3−-N), and polyphenol oxidase (ppo) all exhibited significant influence on the bacterial community structure, whereas VEG, ALT, and the carbon to nitrogen ratio (C/N) were significantly associated with the fungal community structure. …”
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  10. 610
  11. 611
  12. 612

    Advanced Investigation into Active Control Force Requirements for Seismic Damage Mitigation of Inelastic Structures by Ruben Iacob Munteanu, Vasile Calofir, Karol-Cristian Lemnaru, Cătălin Ponta

    Published 2025-04-01
    “…This study investigates the effectiveness of active structural control in mitigating seismic damage of inelastic structures. …”
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  13. 613
  14. 614

    Experimental and Numerical Analysis of the Impact Resistance of Polyurethane Foam Aluminum-Concrete Sandwich Structures by Yong Zhang, Fenfang Yin, Junwei Ma

    Published 2024-11-01
    “…The investigation encompasses variations in the thickness of the polyurethane foam-aluminum absorption layer, the impact height, and different structural combinations, coupled with numerical simulations. …”
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  15. 615

    IPaintS - Intelligent coatings for concrete structures: Immobilization of pH indicators on coating membranes by Cristino Ana F., Lopreto Julia, Silva Helena, Santos Silva António, Rodrigues Maria Paula, Cabral-Fonseca Susana, Ferreira Olga, Teles Nunes Joaquim, Soeira Bruno, Galhano dos Santos Rui

    Published 2025-01-01
    “…In Portugal and over the world, a significant number of concrete structures face challenges due to expansive chemical reactions, such as the alkali-silica reaction (ASR). …”
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  16. 616
  17. 617

    Vibration-Based Damage Prediction in Composite Concrete–Steel Structures Using Finite Elements by Mario D. Cedeño-Rodríguez, Sergio J. Yanez, Erick I. Saavedra-Flores, Carlos Felipe Guzmán, Juan Carlos Pina

    Published 2025-01-01
    “…The approach effectively captured stiffness degradation in the model, leading to observable changes in modal responses, including a reduction in natural frequencies and variations in modal shapes. This enabled the accurate prediction of damage instances during construction, service, or accidental load scenarios, thereby enhancing the structural and operational safety of composite system designs. …”
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  18. 618

    Two-Dimensional Numerical Analysis on the Double Shear Specimens of Timber-Concrete Composite Structures by Lim Jun En, Mohd Amirul Bin Mohd Snin, Siti Nur Fatimah Ghazali, Mohamad Ikmal Zainal, R. Suryavarman

    Published 2025-06-01
    “… This study investigates the behaviour of screw connections in timber-concrete composite (TCC) structures using two-dimensional finite element modelling with LUSAS software. …”
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  19. 619

    An innovative methodology for segmenting vessel like structures using artificial intelligence and image processing by Reynaldo Villarreal, Sindy Chamorro-Solano, Steffen Cantillo, Roberto Pestana-Nobles, Sair Arquez, Yolanda Vega-Sampayo, Leonardo Pacheco-Londoño, Jheifer Paez, Nataly Galan-Freyle, Cristian Ayala, Paola Amar

    Published 2024-12-01
    “…The combination of these modules aimed to identify capillary structures at pixel level. The method was applied on different datasets containing images of eye fundus, citrus leaves, printed circuit boards to test how well it could segment the capillary structures. …”
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  20. 620