Showing 501 - 520 results of 550 for search '"Numerical analysis"', query time: 0.08s Refine Results
  1. 501

    Mathematical modeling and simulation of hepatitis B transmission dynamics with passive immunity and control strategies by James Khobocha Mirgichan, Cyrus Gitonga Ngari, Stephen Karanja, Robert Muriungi

    Published 2025-01-01
    “…The results derived from analytical and numerical analysis revealed that having higher vaccination coverage, better screening and more efforts invested in the treatment active reduce HBV cases. …”
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  2. 502

    CHARACTERIZATION OF ISOBATHS IN THE CENOMANIAN RESERVOIR OF THE MUANDA FIELD – IMPLICATIONS FOR OPTIMAL OIL RESOURCE MANAGEMENT by Marlin Agolo Monza, Franck Tondozi Keto, Raphael Matamba Jibikila, Yves Bolokole Mpehenzale, Osée Mayinga Mayinga

    Published 2024-10-01
    “…Using geostatistical techniques and numerical analysis methods, the isobaths of the K, J, I and H layers were mapped. …”
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  3. 503

    Response Analysis of a Ballasted Rail Track Constructed on Soft Soil by 3D Modeling by Iram Lamiya Hoque, Shamontee Aziz, Joya Rani Mallick, Md. Arifuzzaman Nayeem, Tamanna-E-Hafiz Maisha, F. M. Zahid Hossain, A. F. M. S. Amin

    Published 2023-01-01
    “…A numerical model developed in general-purpose finite element software is used to simulate the design train load on a deltaic deposit for a 100 km/hr rail speed. The numerical analysis analogy is grounded in the spring model, where a beam under the unit load is modeled based on the Winkler foundation model concept. …”
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  4. 504

    Dissipative disorder analysis of Homann flow of Walters B fluid with the applications of solar thermal energy absorption aspects by Latif Ahmad, Assmaa Abd-Elmonem, Saleem Javed, Muhammad Yasir, Umair Khan, Yalcin Yilmaz, Aisha M. Alqahtani

    Published 2024-12-01
    “…Perturbation method is utilized for the reduction of the fourth-order mathematical equation for reducing the problem in to well-posed from ill-posed status. The numerical analysis is carried out by applying one of the built-in commands while using MATLAB software. …”
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  5. 505

    Enhancement of Aeroengine Combustion Chamber Air Cooling Holes Design for Emission Reduction and Pattern Factor Control by Masoud Hajivand

    Published 2024-12-01
    “…The results of a comprehensive numerical analysis of temperature uniformity and NOx and CO emission predictions in an aeroengine annular combustor liner, conducted by geometrical modifications through design changes in primary cooling air, including effusion cooling holes, are shown in the paper. …”
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  6. 506

    Quantitative 3-D investigation of faulting in deep mining using Mohr–Coulomb criterion and slip weakening law by Yatao Li, Xuehong Gao, Jianwei Yang, Erhu Bai

    Published 2025-01-01
    “…Additionally, this study confirms that mining-induced fault slips exhibit self-similar behaviors analogous to natural faulting, with a proportional relationship between slip distribution and static stress drop, validated through robust numerical analysis. This study enhances the understanding of fault mechanics in mining-induced conditions and provides a robust framework for assessing seismic risks, offering practical insights for improving safety and stability in deep mining operations.…”
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  7. 507

    Energy Release Analysis of a Severe Rockburst in a Headrace Tunnel Crossing a Tectonic Stress Zone by H. M. Tian, W. Z. Chen, C. S. Ma, D. S. Yang, X. J. Tan

    Published 2019-01-01
    “…Considering the occurrence of rockburst is generally induced by a sudden release of storage elastic energy, a numerical analysis based on the geotechnical conditions of the headrace tunnels of the Neelum–Jhelum hydroelectric project was carried out to investigate the variations of the storage elastic energy of surrounding rock mass during excavation in the tectonic stress zone. …”
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  8. 508

    Experimental Testing and Numerical Simulation of Recycled Concrete Aggregate in a Concrete Mix by Bini Neupane, Kameshwar Sahani, Shyam Sundar Khadka

    Published 2025-01-01
    “…The inclusion of numerical analysis in ABAQUS CAE using the Kent and Park Model serves to reinforce and support the experimental findings, establishing the credibility of both approaches. …”
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    Article
  9. 509

    Empowerment in Adolescent Patients with a Disability/Chronic Condition: A Scoping Review by Kennedy Austin, Carly Pistawka, Colin J. D. Ross, Kathryn A. Selby, Alice Virani, Vanessa Kitchin, Alison M. Elliott

    Published 2024-12-01
    “…Results: A total of 67 studies were included and used for data extraction including descriptive numerical analysis followed by a narrative review. Extracted data were divided into demographic characteristics (e.g., ethnicity/ancestry), type of disability/condition (e.g., type 1 diabetes), interventions used to increase empowerment or empowerment-adjacent elements, quantitative and qualitative tools used to measure empowerment (e.g., questionnaires and/or interviews), domains/outcomes associated with empowerment (e.g., self-control), and review articles. …”
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  10. 510

    3-DOF Inertial Piezoelectric Actuator for Angular Positioning of the Optical Mirror by Andrius Ceponis, Dalius Mazeika, Regimantas Bareikis

    Published 2025-01-01
    “…In contrast, the excitation of the first vibration mode of the individual plate enables angular motion around one of the horizontal axes. Numerical analysis identified the vibration modes, resonant frequencies, and mechanical and electromechanical characteristics of the actuator, leading to design optimization of clamping beams and contact locations on the bimorph plates. …”
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  11. 511

    Dynamic Characteristics of Metro Tunnel Closely Parallel to a Ground Fissure by Nina Liu, Quanzhong Lu, Xiaoyang Feng, Wen Fan, Jianbing Peng, Weiliang Liu, Xin Kang

    Published 2019-01-01
    “…The short distance to fissure led to serious circumferential dynamic strain, while the distance to fissure influenced the axial dynamic strain less. The numerical analysis results have a good correspondence with those of the shaking table model test. …”
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  12. 512

    Assessment of energy management and power quality improvement of hydrogen based microgrid system through novel PSO-MWWO technique by Hafiz Ghulam Murtza Qamar, Xiaoqiang Guo, Ehab Seif Ghith, Mehdi Tlija, Abubakar Siddique

    Published 2025-01-01
    “…The achieved results and numerical analysis affirm the superiority of the proposed technique compared to other traditional methods like mixed integer linear programming (MILP), HOMER, Variable mesh optimization (VMO), and Cataclysmic genetic algorithm in optimizing component sizing, renewable production, hydrogen production, reliability, cost effective, and overall efficacy. …”
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  13. 513

    A Typical Basalt Platform Landslide: Mechanism and Stability Prediction of Xiashan Landslide by Yongliang Huang, Zhiwei Sun, Chunyan Bao, Man Huang, Anyuan Li, Minghao Liu

    Published 2021-01-01
    “…On this basis, combined with the numerical analysis method, a finite element model of the slope considering rainfall and groundwater conditions is constructed to analyze the causes and failure mechanism of this landslide comprehensively. …”
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  14. 514

    Seismic evaluation and retrofit of reinforced concrete structures by Mangeshkumar R. Shendkar, Adithya Tantri, Asha Udaya Rao

    Published 2025-01-01
    “…The current study proposes and numerically investigates a systematic technique for the seismic assessment and retrofit of reinforced-concrete buildings according to both material strain limit approach and Quadrants assessment method. In this study numerical analysis were made for two three-dimensional building models, namely a single-storey 30 years old existing RC building in Koyna-Warna area (Zone-IV) in India, and an earthquake-resistant designed 4-story RC building. …”
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  15. 515

    The Mechanism of Rock Mass Crack Propagation of Principal Stress Rotation in the Process of Tunnel Excavation by Guanfeng Chang, Xinzhu Hua, Jie Zhang, Peng Li

    Published 2021-01-01
    “…In this study, the theoretical calculation and numerical analysis method have been combined with the crack propagation conditions to study the stress-driven mechanism of brittle rock crack propagation under principal stress rotation. …”
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  16. 516

    Constitutive Model and Fracture Criterion of Q345 Steel Welded Joints by Lian Song, Genfeng Li, Cong Zhu, Huaqiang Fang, Guoqing Zhu

    Published 2022-01-01
    “…This provides experimental parameters for mechanical properties and fracture models of welded joints in structural engineering, refined finite element models considering material failure for structural numerical analysis, and basic data for evaluation and design of building structures, which have good social and economic benefits.…”
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  17. 517

    Knowledge-driven semantic converting method of multimodal models toward a geospatial perspective by Jianbo Lai, Jun Zhu, Pei Dang, Jianlin Wu, Yukun Guo, Xinyu Yang, Na Li

    Published 2025-01-01
    “…The experimental results show that the method proposed in this article can accurately convert between BIM models, numerical analysis models, and GIS scene models, with spatial coordinate accuracy controlled within 1 mm and a conversion efficiency increase of more than 10 times. …”
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  18. 518

    Telecommand Rejection Probability in CCSDS-Compliant LDPC-Coded Space Transmissions With Tail Sequence by Rebecca Giuliani, Massimo Battaglioni, Marco Baldi, Franco Chiaraluce, Nicola Maturo

    Published 2025-01-01
    “…Such a performance figure, being the rate at which CLTUs are discarded, should clearly be minimized. Our numerical analysis considers many different choices of the system parameters (e.g., length of the CLTU, decoding algorithm, maximum number of decoding iterations). …”
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  19. 519

    A New Dual Steering System in a Compact Tractor by Giorgio Paolo Massarotti, German Filippini, Gustavo Raush Alviach, Pedro Javier Gamez-Montero, Esteban Codina Macia

    Published 2025-01-01
    “…To achieve optimal controllability in a dual steering tractor (a four-wheel, iso-diametric tractor equipped with a dual-hydraulic steering system), this study proposes a coordinated approach that combines experimental testing (using a special agricultural tractor) with numerical analysis of the entire vehicle, developed in Bond Graph-3D. …”
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  20. 520

    Ballistic Impact Performance of SiC Ceramic-Dyneema Fiber Composite Materials by Kai-Kuang Wu, Yu-Liang Chen, Jau-Nan Yeh, Wei-Lun Chen, Chia-Shih Lin

    Published 2020-01-01
    “…According to simulation experiments and regression analysis, the equation for the relationship between the combined thickness of the composite material and its ballistic resistance was EAhc,hf=−6276.5+500.6hc+1512.6hf+30.7hchf−8.1hc2−113.6hf2, though there were limitations to its application. From the numerical analysis results, 8.1940 mm SiC ceramic and 6.9637 mm Dyneema fiber were determined to constitute the optimal thickness combination for a composite that features a minimal areal density and which conforms to NIJ IV standards. …”
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