Showing 81 - 100 results of 310 for search '"Wave propagation"', query time: 0.05s Refine Results
  1. 81

    Effects of Unidirectional In Situ Stress on Crack Propagation of a Jointed Rock Mass Subjected to Stress Wave by Zhanfeng Fan, Jianhua Cai

    Published 2021-01-01
    “…This paper proposes a large-scale experiment combined with multiple cement mortar blocks to simulate stress wave propagation across a jointed rock mass under unidirectional in situ stress. …”
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    Article
  2. 82

    Effect of Antenna Parameters on the Field Coverage in Tunnel Environments by Dawei Li, Junhong Wang

    Published 2016-01-01
    “…Radio wave propagation in confined spaces is consequent upon the reflections of boundaries; thus, the radiation characteristics of the antenna have significant influence on the field coverage in the confined space. …”
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    Article
  3. 83

    Advancements in Acoustic Cavitation Modelling: Progress, Challenges, and Future Directions in Sonochemical Reactor Design by T.Joyce Tiong, Jin Kiat Chu, Khang Wei Tan

    Published 2025-01-01
    “…This review provides a comprehensive overview of ultrasonic wave propagation, with a primary focus on high-power ultrasound systems where cavitation bubbles are likely to occur. …”
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    Article
  4. 84

    Nonlinear Behaviour of Concrete Buttress Dams under High-Frequency Excitations Taking into Account Topographical Amplifications by Roghayeh Abbasiverki, Richard Malm, Anders Ansell, Erik Nordström

    Published 2021-01-01
    “…Here, a new deconvolution method for both shear and pressure wave propagation is developed based on an iterative time-domain procedure using a one-dimensional finite element column. …”
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    Article
  5. 85

    Dynamic Effective Properties of Lead-Reinforced Epoxy Resin Composites with Differential Method by Haitao Zhu, Yongping Wan

    Published 2022-01-01
    “…In this paper, the quasi-P wave propagation in epoxy/lead composites is studied by the differential method with polarization stress and polarization momentum. …”
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    Article
  6. 86

    Parabolic Equation Accumulated Split Error and Its Correction Method for Tropospheric Radio Propagation by Peipei Wei, Xiaoyan Du, Xinwei Hu, Changyin Jiang

    Published 2018-01-01
    “…An increasingly popular approach of modeling electromagnetic wave propagation in the troposphere is to use the slip-step Fourier transform (SSFT) numerical algorithm to solve a parabolic equation (PE). …”
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    Article
  7. 87

    Research on the application of weighted-Laguerre-FDTD method with “unidirectional explicit” matrix in cylindrical structure by Dawei ZHU, Hailin CHEN, Zhongwen SHEN, Xiuling JIA, Zhen LI

    Published 2023-07-01
    “…To solve the shortcomings of FDTD algorithm in electromagnetic wave propagation in communication applications.A FDTD algorithm under “unidirectional explicit” matrix was constructed and applied to cylindrical structure.Firstly, a new coefficient matrix was established by the ideology of WCS and WLP.Secondly, the perturbation terms were introduced to form the initial value and iterative equations.Finally, the fields on the z axis were treated in special way.Numerical examples prove that the proposed algorithm is superior to the WCS-FDTD and WLP-FDTD in electromagnetic wave propagation.The best improvement efficiency is 83%, accuracy is 88%, and memory consumption is reduced by 44%.Meanwhile, comparing with the conventional FDTD algorithm, it can improve the efficiency of 7 time steps size and reduce the memory consumption by 53% without losing accuracy.Moreover, under the boundary truncation of the PML, the proposed algorithm also shows good electromagnetic wave energy absorption performance, which can reach below -60 dB.…”
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  8. 88

    Plasma Evolutions Around a Solar Coronal 3D Magnetic Null Point by Somaiyeh Sabri, Hossein Ebadi

    Published 2021-07-01
    “…An initially symmetric Alfv´en pulse at a specific distance from a magnetic null-point is kicked towards the isothermal null-point. Alfven wave propagation around a 3D magnetic null point results in magnetoacoustic waves perturbations which propagate towards the null point and refracts around the null point.It is found that nonlinear Alfven wave propagation around a 3D magnetic null point results in plasma density perturbations due to the compressible magnetoacoustic waves perturbations.…”
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  9. 89

    A Generalized Method for Dispersion Analysis of Guided Waves in Multilayered Anisotropic Magneto-Electro-Elastic Structures by Yanhui Zhang, Qiang Gao

    Published 2022-01-01
    “…This research provides the necessary insight to apply the W-W algorithm in wave propagation and vibration problems of MEE structures.…”
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    Article
  10. 90

    A Probabilistic Model for Evaluation of the Dynamic Behavior of a Concrete Gravity Dam considering the Fluid-Structure Interaction by Majid Pasbani Khiavi, Adel Ferdousi, Abdolrahman Moallemi Khiavi

    Published 2023-01-01
    “…Regarding the importance of the interaction effect in the dynamic behavior of a concrete dam and reservoir, the process of hydrodynamic wave propagation in the reservoir and its effects on the response of a concrete gravity dam are examined in this article by presenting a new probabilistic model. …”
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  11. 91

    Lamb Wave Directional Sensing with Piezoelectric Fiber Rosette in Structure Health Monitoring by Songlai Wang, Wanrong Wu, Yiping Shen, Hui Li, Binlong Tang

    Published 2019-01-01
    “…Directional piezoelectric sensors can detect the Lamb wave propagation direction to locate damage in structural health monitoring (SHM). …”
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    Article
  12. 92

    Influence of moving heat sources on thermoviscoelastic behavior of rotating nanorods: a nonlocal Klein–Gordon perspective with fractional heat conduction by Ahmed E. Abouelregal, M. Marin, Abdelaziz Foul, Sameh S. Askar

    Published 2025-01-01
    “…These parameters also influenced memory effects affecting wave propagation and relaxation in viscoelastic materials.…”
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    Article
  13. 93

    Enhancing Indoor mmWave Communication With ML-Based Propagation Models by Gustavo Adulfo Lopez-Ramirez, Alejandro Aragon-Zavala

    Published 2025-01-01
    “…With the advancement of 5G and emerging wireless communication technologies, accurate modeling of wave propagation in indoor environments has become increasingly crucial. …”
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    Article
  14. 94

    PREDICTION OF MEGATHRUST IMPACT ON SEISMIC RESPONSE IN SELEBAR DISTRICT OF BENGKULU CITY by Zhehan Fahrezi, Rena Misliniyati, Khairul Amri, Lindung Zalbuin Mase, Hardiansyah

    Published 2025-01-01
    “…This study was conducted to determine the response of soil layers due to megathrust earthquake wave propagation in Selebar district, Bengkulu City. The study began with field investigations at six points. …”
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  15. 95

    A boundary value problem for cold plasma dynamics by Thomas H. Otway

    Published 2003-01-01
    “…A weak Guderley-Morawetz problem is formulated for a mixed elliptic-hyperbolic system that arises in models of wave propagation in cold plasma. Weak solutions are shown to exist in a weighted Hilbert space. …”
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  16. 96

    Effects of Oblique Incidence of SV Waves on Nonlinear Seismic Response of a Lined Arched Tunnel by Dunyu Lyu, Sha Ma, Chu Yu, Congcong Liu, Xiaowei Wang, Buyun Yang, Ming Xiao

    Published 2020-01-01
    “…By deriving the distance of the incident waves and the reflected wave on free surface to artificial boundaries, this method can comprehensively consider the phase difference of the seismic wave propagation and the influence of the damping effect of the rock medium on the seismic wave propagation. …”
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    Article
  17. 97

    Static Analysis of Gelatin-like Simulation Mass as a Subsoil in Scale Physical Modeling by Veronika Valašková, Jozef Vlček

    Published 2025-01-01
    “…The investigation of wave propagation in the geological environment is warranted, and will ultimately help to provide a better understanding of the response of subsoil to excitation. …”
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  20. 100

    Multifunctional Design Ratios for Calculating Power Losses and Energy Efficiency of Long-Distance Electricity Transmission by G. E. Pospelov, Т. G. Pospelova

    Published 2012-02-01
    “…Universality of these ratios with due account of electromagnetic wave propagation nature and intermediate connections and multifunctional application are considered in the paper. …”
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