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Relevant bibliographies by topics / Focusing wave

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Journal articles

Academic literature on the topic 'Focusing wave'

Author: Grafiati

Published: 13 April 2023

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Journal articles on the topic "Focusing wave"

1

Murray, D. R., and P. Öhberg. "Matter wave focusing." Journal of Physics B: Atomic, Molecular and Optical Physics 38, no. 8 (2005): 1227–34. http://dx.doi.org/10.1088/0953-4075/38/8/012.

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2

Xu, Guochun, Hongbin Hao, Qingwei Ma, and Qinqin Gui. "An Experimental Study of Focusing Wave Generation with Improved Wave Amplitude Spectra." Water 11, no. 12 (2019): 2521. http://dx.doi.org/10.3390/w11122521.

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We experimentally investigate the generating results of space-time focusing waves based on two new wave spectra, i.e., the quasi constant wave amplitude spectrum (QCWA) and the quasi constant wave steepness spectrum (QCWS), in which amplitude and steepness for each wave component can be adjusted with fixed wave energy. The wavemaker signal consists of a theoretical wavemaker motion signal and two different auxiliary functions at two ends of the signal. By testing a series of focusing waves in a physical wave tank, we found that with given wave energy, the QCWA spectrum can produce a focusing w

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3

Smit, Pieter Bart, T. T. Janssen, and T. H. C. Herbers. "TOPOGRAPHY-INDUCED FOCUSING OF RANDOM WAVES." Coastal Engineering Proceedings 1, no. 33 (2012): 6. http://dx.doi.org/10.9753/icce.v33.waves.6.

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Refraction of narrow-band surface waves in coastal areas can result in wave-focal zones where due to interference, wave statistics vary rapidly and on similar length scales as those of individual waves. However such interference patterns, or wave coherence, are not accounted for in conventional stochastic wave models that are based on the energy balance equation or radiative transfer equation. In this work we present a quasi-coherent theory, which is an extension of the radiative transfer equation and quasi-homogeneous theory. We show that this new stochastic modelling approach can resolve rap

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4

Vogel, K., F. Gleisberg, N. L. Harshman, et al. "Optimally focusing wave packets." Chemical Physics 375, no. 2-3 (2010): 133–43. http://dx.doi.org/10.1016/j.chemphys.2010.07.002.

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5

Chen, Jinbing, and Dmitry E. Pelinovsky. "Rogue periodic waves of the focusing nonlinear Schrödinger equation." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 474, no. 2210 (2018): 20170814. http://dx.doi.org/10.1098/rspa.2017.0814.

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Rogue periodic waves stand for rogue waves on a periodic background. The nonlinear Schrödinger equation in the focusing case admits two families of periodic wave solutions expressed by the Jacobian elliptic functions dn and cn . Both periodic waves are modulationally unstable with respect to long-wave perturbations. Exact solutions for the rogue periodic waves are constructed by using the explicit expressions for the periodic eigenfunctions of the Zakharov–Shabat spectral problem and the Darboux transformations. These exact solutions generalize the classical rogue wave (the so-called Peregrine

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6

Zhang, Zhen Fu, Xin Wu Zeng, Qing Yu Cai, and Kai Feng Han. "Numerical Simulation on Underwater Shock Wave Focusing." Applied Mechanics and Materials 105-107 (September 2011): 121–26. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.121.

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Shock wave focusing by an ellipsoidal reflector can produce higher pressure in the focal region. The focusing process of shock wave was studied by theory analyses and numerical results. Base on the experimental observation the shock wave source is equivalent to the explosion of an underwater explosive. A finite element model was set up to investigate the shock wave focusing behaviors. Both the pressure-time history and the peak pressure along the axial position were presented. The shock wave focusing process was shown. The interactions of waves in the focal region are shown. A modified EOS of

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7

Merkoune, D., J. Touboul, N. Abcha, D. Mouazé, and A. Ezersky. "Focusing wave group on a current of finite depth." Natural Hazards and Earth System Sciences 13, no. 11 (2013): 2941–49. http://dx.doi.org/10.5194/nhess-13-2941-2013.

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Abstract. Formation of freak waves resulting from the wave packets propagating in finite water depth on the background of a current is studied experimentally and numerically. In the experiment, the freak waves appear as a result of dispersion focusing of wave train excited by wave maker with modulated frequency. The space evolution of the frequency modulated train is studied in numerical simulations. We showed that in the water of finite depth, a distance of focusing increases and amplitude in the focal point decreases in comparison with infinite water depth. Experimental results are in good a

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8

Zhou, Binzhen, Kanglixi Ding, Jiahao Wang, Lei Wang, Peng Jin, and Tianning Tang. "Experimental study on the interactions between wave groups in double-wave-group focusing." Physics of Fluids 35, no. 3 (2023): 037118. http://dx.doi.org/10.1063/5.0142042.

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Nonlinear interactions in wave-group focusing are regarded as one of the main mechanisms in the generation of destructive extreme waves. In real seas, the wideband bimodal state is a typical configuration, containing interactions within a single wave group and between different wave groups. The former has been well uncovered under the assumption of narrow bandwidth, but the latter is poorly understood. In this paper, physical experiments are conducted to reveal the physics of double-wave-group focusing considering various energy distributions. Superposed wavemaker signals generated by the iter

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9

Liu, Mao, Haijie Yu, and Ben Wang. "Tuning and controlling antiplane shear wave propagation in elastic membranes." AIP Advances 12, no. 8 (2022): 085319. http://dx.doi.org/10.1063/5.0103469.

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In this paper, a rotary-focusing device for the antiplane shear wave is constructed to control and guide elastic wave energy transmission in elastic membranes. The designed device can cloak the antiplane shear waves outside the device and has a rotary-focusing effect on the shear waves energy inside the device in a membrane. The multilayered isotropic material properties of the rotary-focusing device are derived based on the transformation and rotary medium method, and a rotation parameter to guide the propagating trajectories of the antiplane shear waves is introduced. The efficiency of the r

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10

Vines, R. E., Shin-ichiro Tamura, and J. P. Wolfe. "Surface Acoustic Wave Focusing and Induced Rayleigh Waves." Physical Review Letters 74, no. 14 (1995): 2729–32. http://dx.doi.org/10.1103/physrevlett.74.2729.

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