Showing 161 - 180 results of 255 for search '"Wave propagation"', query time: 0.05s Refine Results
  1. 161

    Estimating Macroscopic Volume Delay Functions with the Traffic Density Derived from Measured Speeds and Flows by Rafał Kucharski, Arkadiusz Drabicki

    Published 2017-01-01
    “…Although the proposed method does not overcome the fundamental limitations of static macroscopic traffic models, which cannot represent dynamic traffic phenomena like queue, spillback, wave propagation, capacity drop, and so forth, we managed to improve the VDF goodness-of-fit from R2 of 27% to 72% most importantly also for hypercritical conditions. …”
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  2. 162

    Analyzing diverse soliton wave profiles and bifurcation analysis of the (3 + 1)-dimensional mKdV–ZK model via two analytical schemes by S. M. Yiasir Arafat, M. A. Saklayen, S. M. Rayhanul Islam

    Published 2025-01-01
    “…Thus, the originality of this study is that the obtained traveling wave solutions of the mentioned governing model produce a variety of waves, including dark, kink, bell, and cospon bright soliton, depending on spacetime and wave propagation variables, which are illustrated in two-dimension, three-dimension, and contour charts. …”
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  3. 163

    A novel model of photoacoustic and thermalelectronic waves in semiconductor material by M. H. Raddadi, Kh. Lotfy, A. A. El-Bary, A. M. S. Mahdy, E. S. Elidy

    Published 2025-01-01
    “…We explore theoretically the photoacoustic wave propagation created by the photoexcited carrier diffusion in the thermoelastic domain. …”
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  4. 164

    Thermal Variability in the Martian Upper Atmosphere within the Crustal Magnetic Field Region Induced by Gravity Wave Dissipation Due to Ion-drag Effect by Xing Wang, Xiaojun Xu, Jun Cui, Siqi Yi, Hao Gu, Zilu Zhou, Hengyan Man, Lei Luo, Peishan He, Pu Yang

    Published 2025-01-01
    “…We developed a one-dimensional linear wave model to describe the effect of ion-drag on wave propagation and dissipation in the Martian upper atmosphere. …”
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  5. 165

    Nantenna for Standard 1550 nm Optical Communication Systems by Waleed Tariq Sethi, Hamsakutty Vettikalladi, Habib Fathallah, Mohamed Himdi

    Published 2016-01-01
    “…The hexagonal dielectric nantenna produces HE20δ modes and the wave propagation is found to be end-fire. The efficiency of the nantenna is proven via numerical expressions, thus making the proposed design viable for nanonetwork communications.…”
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  6. 166

    A lumped model for blood flow and pressure in the systemic arteriesbased on an approximate velocity profile function by Wouter Huberts, E. Marielle H. Bosboom, Frans N. van de Vosse

    Published 2008-11-01
    “…Previously, by assuming a viscous dominated flow in the boundary layer and an inertia dominated flow in the vessel core, a velocity profile function for a 1D-wave propagation model was derived. Because the time dependent shape of the velocity profile in this boundary layer model depends on the size of the inviscid core and the boundary layer, and thus on the Womersley number, it differs along the arterial tree. …”
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  7. 167

    Building Spectral Element Dynamic Matrices Using Finite Element Models of Waveguide Slices and Elastodynamic Equations by P.B. Silva, A.L. Goldstein, J.R.F. Arruda

    Published 2013-01-01
    “…Then, the wavenumbers and wave propagation modes are obtained from the transfer matrix and used to build the spectral element matrix. …”
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  8. 168

    Modeling of autowave processes in active media with inhomogeneous properties by A. V. Gulaj, V. A. Gulaj, A. V. Dubovik

    Published 2023-11-01
    “…It is established that the decay of autowaves occurs when about 30-60% of inactive elements are introduced from their total number in the model, moreover, the wave propagation process becomes more stable with an increase in the decay coefficient of the activator of all elements. …”
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  9. 169

    Damage of Rock Mass by Double-Hole Blasting with Slit Charge and Development of Stress Wave under High In Situ Stress by Jianyu Zhang, Zegong Liu, Shigui Fu, Guodong Qiao

    Published 2022-01-01
    “…To study the influence of high ground stress on crack propagation and stress propagation during deep rock blasting, a theoretical model of blasting stress wave propagation and rock damage under in situ stress conditions is developed. …”
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  10. 170

    Study on Dynamic Mechanical Properties of Full Tailings Cemented Backfilling Impacted by Cement-Sand Ratio by Shan Yang, Zhiyong Zhou, Yifei Zhao, Wei Yang

    Published 2018-01-01
    “…Test results showed that full tailings cemented backfilling had strong reflection and damping effects on elastic wave propagation. At lower strain rates, specimens presented strength hardening, and at higher strain rates, the test specimens presented rapid-softening strength; the strength-hardened specimen reached the peak stress at 40 μs, and the softening specimen reached the peak stress at about 18 μs; with the increase of strain rate, dynamic compressive strength, growth factor of dynamic strength, peak strain, and dynamic-static strain ratio of specimens increased totally. …”
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  11. 171

    Extraction of Least-Dispersive Ultrasonic Guided Wave Mode in Rail Track Based on Floquet-Bloch Theory by Maodan Yuan, Peter W. Tse, Weiming Xuan, Wenjin Xu

    Published 2021-01-01
    “…In this paper, a numerical study on the guided wave propagation was carried out on a standard rail with 56E1 profile. …”
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  12. 172

    Analysis of the Main Factors Influencing the Dominant Frequency of Blast Vibration by Da Liu, Wenbo Lu, Yijia Liu, Ming Chen, Peng Yan, Pengchang Sun

    Published 2019-01-01
    “…In this paper, by analyzing the main influencing factors of the dominant frequency, an attenuation equation of the dominant frequency induced by blasting vibration has been proposed by dimensional analysis combined with the theory of radial spherical wave propagation. The proposed equation is applied to the fitting analysis on the dominant frequency measured in Zhoushan Green Petrochemical Base in China, which has obtained a favorable fitting correlation. …”
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  13. 173

    Innovative soliton solutions for a (2+1)-dimensional generalized KdV equation using two effective approaches by Ibrahim Alraddadi, Faisal Alsharif, Sandeep Malik, Hijaz Ahmad, Taha Radwan, Karim K. Ahmed

    Published 2024-12-01
    “…Thus, in scientific domains such as fluid mechanics, plasma physics, and wave propagation in media ranging from ocean surfaces to optical fibers, our results are crucial to comprehend the principles behind the production and propagation of many complicated phenomena. …”
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  14. 174

    Seismic Sequence Effects on Buried Pipelines Crossing Nonuniform Sites with Ground Settlement by Dynamic Centrifuge Test by Hongtao Zhang, Yufei Zhao, Mingxu Gao

    Published 2022-01-01
    “…Most of the previous research focuses on the permanent ground deformation (PGD) caused by fault or transient ground deformation (TGD) due to seismic wave propagation independently. The mechanical character of buried pipelines crossing nonuniform sites during seismic sequence after ground settlement has not been studied. …”
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  15. 175

    Two-Step Method for Millimeter-Wave Antenna Performance Assessment in 5G Smartphones by Filipa S. S. Fernandes, Christian Rom, António Rodrigues, Simon Svendsen, Ole Jagielski

    Published 2021-01-01
    “…Then, it evaluates the antenna’s influence on the MIMO performance, using a discrete, time-variant geometrical MIMO channel simulator to recreate any mm-Wave propagation scenario. For enhanced accuracy, mmWAESI accounts simultaneously for several communication aspects: antenna type, realistic radiation patterns, mobile phone form factor constraints, phone orientation, and user influence. …”
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  16. 176

    Automatic Measurement Techniques for Compositional Properties of Fresh Concrete: Focus on Water/Cement Ratio and Air Content by Ojala Teemu, Punkki Jouni

    Published 2024-12-01
    “…The research compared microwave absorption (MWA) and time-domain reflectometry (TDR) techniques for w/c ratio measurement as well as acoustic wave propagation (AWP) technique for air content measurement, against the reference testing methods. …”
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  17. 177

    Remote Detection of the Electric Field Change Induced at the Seismic Wave Front from the Start of Fault Rupturing by Yukio Fujinawa, Kozo Takahashi, Yoichi Noda, Hiroshi Iitaka, Shinobu Yazaki

    Published 2011-01-01
    “…The characteristic time of diffusion is almost instantaneous, that is, less than 1 second to travel 100 km, more than ten times faster than ordinary seismic P wave propagation. We suggest that the measured electric field changes are produced by the electrokinetic effect through increased pore water pressure of the seismic pulse. …”
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  18. 178

    Investigation of Cortical Signal Propagation and the Resulting Spatiotemporal Patterns in Memristor-Based Neuronal Network by Ke Ding, Zahra Rostami, Sajad Jafari, Boshra Hatef

    Published 2018-01-01
    “…It is shown that the memristor coupling intensities, by which the system undergoes periodic behavior, prevent the tissue from holding wave propagation. Besides, the chaotic behavior in bifurcation diagram corresponds to turbulent spatiotemporal behavior of the tissue. …”
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  19. 179

    Modelling of High-Velocity Impact on Woven Carbon Fibre-Reinforced Plastic Laminate by Nenad Djordjevic, Rade Vignjevic, Kevin Hughes, Tom De Vuyst

    Published 2025-01-01
    “…This made the constitutive model capable of modelling shock wave propagation within orthotropic materials. Damage is incorporated in the model by using reduction in the principal material stiffness based on the effective stress concept and the hypothesis of strain energy equivalence. …”
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  20. 180

    Modelling the Environmental Effects of Railway Vibrations from Different Types of Rolling Stock: A Numerical Study by Georges Kouroussis, David P. Connolly, Konstantinos Vogiatzis, Olivier Verlinden

    Published 2015-01-01
    “…A two-step approach is used to simulate ground wave propagation which is analysed at various distances from the track. …”
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