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Статті в журналах з теми "Wave models"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 13 лютого 2022

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1

Verao Fernandez, Gael, Vasiliki Stratigaki, Panagiotis Vasarmidis, Philip Balitsky, and Peter Troch. "Wake Effect Assessment in Long- and Short-Crested Seas of Heaving-Point Absorber and Oscillating Wave Surge WEC Arrays." Water 11, no. 6 (May 29, 2019): 1126. http://dx.doi.org/10.3390/w11061126.

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In the recent years, the potential impact of wave energy converter (WEC) arrays on the surrounding wave field has been studied using both phase-averaging and phase-resolving wave propagation models. Obtaining understanding of this impact is important because it may affect other users in the sea or on the coastline. However, in these models a parametrization of the WEC power absorption is often adopted. This may lead to an overestimation or underestimation of the overall WEC array power absorption, and thus to an unrealistic estimation of the potential WEC array impact. WEC array power absorpti

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2

Zhang, Huichen, and Markus BrÃ¼hl. "GENERATION OF EXTREME TRANSIENT WAVES IN EXPERIMENTAL MODELS." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 51. http://dx.doi.org/10.9753/icce.v36.waves.51.

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The transfer of natural waves and sea states into small- and large-scale model teste contributes to the proper design of offshore and coastal structure. Such shallow-water ocean surface waves are highly nonlinear and subject to wave transformation and nonlinear wave-wave interactions. However, the standard methods of wave generation according to conventional wave theories and wave analysis methods are limited to simple regular waves, simple sea states and low-order wave generation without considering the nonlinear wave-wave interactions. The research project Generation of Extreme Transient Wav

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3

BAL, GUILLAUME, and OLIVIER PINAUD. "IMAGING USING TRANSPORT MODELS FOR WAVE–WAVE CORRELATIONS." Mathematical Models and Methods in Applied Sciences 21, no. 05 (May 2011): 1071–93. http://dx.doi.org/10.1142/s0218202511005258.

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We consider the imaging of objects buried in unknown heterogeneous media. The medium is probed by using classical (e.g. acoustic or electromagnetic) waves. When heterogeneities in the medium become too strong, inversion methodologies based on a microscopic description of wave propagation (e.g. a wave equation or Maxwell's equations) become strongly dependent on the unknown details of the heterogeneous medium. In some situations, it is preferable to use a macroscopic model for a quantity that is quadratic in the wave fields. Here, such macroscopic models take the form of radiative transfer equa

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4

Zappa, Giuseppe, Valerio Lucarini, and Antonio Navarra. "Baroclinic Stationary Waves in Aquaplanet Models." Journal of the Atmospheric Sciences 68, no. 5 (May 1, 2011): 1023–40. http://dx.doi.org/10.1175/2011jas3573.1.

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Abstract An aquaplanet model is used to study the nature of the highly persistent low-frequency waves that have been observed in models forced by zonally symmetric boundary conditions. Using the Hayashi spectral analysis of the extratropical waves, the authors find that a quasi-stationary wave 5 belongs to a wave packet obeying a well-defined dispersion relation with eastward group velocity. The components of the dispersion relation with k ≥ 5 baroclinically convert eddy available potential energy into eddy kinetic energy, whereas those with k &lt; 5 are baroclinically neutral. In agreemen

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5

Dalrymple, Robert A., and James T. Kirby. "Models for very wide-angle water waves and wave diffraction." Journal of Fluid Mechanics 192 (July 1988): 33–50. http://dx.doi.org/10.1017/s0022112088001776.

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For a bathymetry consisting of parallel bottom contours, wide-angle parabolic models are developed to describe the diffraction of linear water waves. The first model, developed by operator correspondence, extends the validity of conventional forms of the parabolic model for wave angles up to 70° from the assumed wave direction. Through the use of Fourier decomposition, wave models valid to 90° are developed for three different lateral boundary conditions. By application, it is shown that the diffraction of waves through gaps or around structures is governed by the initial wave condition at the

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6

Geller, Marvin A., Tiehan Zhou, Reto Ruedy, Igor Aleinov, Larissa Nazarenko, Nikolai L. Tausnev, Shan Sun, Maxwell Kelley, and Ye Cheng. "New Gravity Wave Treatments for GISS Climate Models." Journal of Climate 24, no. 15 (August 1, 2011): 3989–4002. http://dx.doi.org/10.1175/2011jcli4013.1.

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Abstract Previous versions of GISS climate models have either used formulations of Rayleigh drag to represent unresolved gravity wave interactions with the model-resolved flow or have included a rather complicated treatment of unresolved gravity waves that, while being climate interactive, involved the specification of a relatively large number of parameters that were not well constrained by observations and also was computationally very expensive. Here, the authors introduce a relatively simple and computationally efficient specification of unresolved orographic and nonorographic gravity wave

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7

Pruser, H. H., H. Schaper, and W. Zielke. "IRREGULAR WAVE TRANSFORMATION IN A BOUSSINESO WAVE MODEL." Coastal Engineering Proceedings 1, no. 20 (January 29, 1986): 205. http://dx.doi.org/10.9753/icce.v20.205.

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Numerical wave models for shallow water waves are of particular importance for the calculation of the wave climate in harbours and coastal areas. Especially nonlinear time domain models, which are based on the Boussinesq-Wave- Equations, may be helpful in the future for simulating the interaction of currents with refraction, diffraction, reflection and for simulating shoaling..-of irregular waves in natural areas; a potential which has not yet been fully developed. During the last ten years numerical models, based on these equations, have been published; such as ABBOTT et. al. , HAUGUEL and SC

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8

Ito, Masahiro, and Yoshito Tsuchiya. "REPRODUCTION MODELS OF BEACH CHANGE BY STORM WAVES." Coastal Engineering Proceedings 1, no. 21 (January 29, 1988): 115. http://dx.doi.org/10.9753/icce.v21.115.

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This paper presents a technique to reproduce, by a twodimensional moveable-bed model, beach change due to the timedependent storm waves which are generated by the passage of an atmospheric depression. In the model test, scaling conditions for sand grain-size, vertical and horizontal lengths, and wave height and period characteristics were established by applying the authors' scale-model relationship which was reported; and wave duration time also was decided. A method of employing regular waves in the model to represent irregular waves in the field is proposed. From the results, it was shown t

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9

Kichenassamy, Satyanad. "Existence of solitary waves for water-wave models." Nonlinearity 10, no. 1 (January 1, 1997): 133–51. http://dx.doi.org/10.1088/0951-7715/10/1/009.

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10

Niedzwecki, John M., Eric W. Sandt, and Oriol R. Rijken. "Slepian models for waves and wave-structure interaction." Engineering Structures 17, no. 10 (December 1995): 696–704. http://dx.doi.org/10.1016/0141-0296(95)00060-k.

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11

Estrade, Anne, and Julie Fournier. "Anisotropic Gaussian wave models." Latin American Journal of Probability and Mathematical Statistics 17, no. 1 (2020): 329. http://dx.doi.org/10.30757/alea.v17-13.

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12

Griffin, Daniel J., and John Thuburn. "Numerical Effects on Wave Propagation in Atmospheric Models." Proceedings of the International Astronomical Union 13, S335 (July 2017): 288–90. http://dx.doi.org/10.1017/s1743921317007979.

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AbstractRay tracing techniques have been used to investigate numerical effects on the propagation of acoustic waves in a non-hydrostatic dynamical core discretised using an Arakawa C-grid horizontal staggering of variables (Arakawa & Lamb 1977) and a Charney-Phillips vertical staggering of variables (Charney & Phillips 1953) with a semi-implicit timestepping scheme. It is found that the space discretisation places limits on resolvable wavenumbers and redirects the group velocity of waves towards the vertical. Wave amplitudes grow exponentially with height due to the decrease in the bac

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13

Zhang, Jun. "Hybrid Wave Models and Their Applications for Steep Ocean Waves." Marine Technology Society Journal 33, no. 3 (January 1, 1999): 15–26. http://dx.doi.org/10.4031/mtsj.33.3.3.

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Bound-wave components resulting from inter-actions among free-wave components have significant effects on resultant wave properties, especially in a steep ocean wave field. Hybrid Wave Models (HWM) distinguish the bound-wave from free-wave components in the decomposition of an irregular wave field as well as the prediction of its resultant proper-ties. To ensure the convergence, the HWMs selectively use the conventional and phase modulation approaches to address the nonlinear interactions between-free-wave components of different frequency ratios. The models are able to predict resultant wave

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14

Montalvo, P., R. Kraenkel, M. A. Manna, and C. Kharif. "Wind-wave amplification mechanisms: possible models for steep wave events in finite depth." Natural Hazards and Earth System Sciences Discussions 1, no. 4 (July 8, 2013): 3099–127. http://dx.doi.org/10.5194/nhessd-1-3099-2013.

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Abstract. We extend the Miles' mechanism of wind-wave generation to finite depth. A β-Miles linear growth rate depending on the depth and wind velocity is derived and allows the study of linear growth rates of surface waves from weak to moderate winds in finite depth h. The evolution of β is plotted, for several values of the dispersion parameter kh with k the wave number. For constant depths we find that no matter what the values of wind velocities are, at small enough wave age the β-Miles linear growth rates are in the known deep water limit. However winds of moderate intensities prevent the

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15

Montalvo, P., R. Kraenkel, M. A. Manna, and C. Kharif. "Wind-wave amplification mechanisms: possible models for steep wave events in finite depth." Natural Hazards and Earth System Sciences 13, no. 11 (November 8, 2013): 2805–13. http://dx.doi.org/10.5194/nhess-13-2805-2013.

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Abstract. We extend the Miles mechanism of wind-wave generation to finite depth. A β-Miles linear growth rate depending on the depth and wind velocity is derived and allows the study of linear growth rates of surface waves from weak to moderate winds in finite depth h. The evolution of β is plotted, for several values of the dispersion parameter kh with k the wave number. For constant depths we find that no matter what the values of wind velocities are, at small enough wave age the β-Miles linear growth rates are in the known deep-water limit. However winds of moderate intensities prevent the

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16

She Liam, Lie, D. Adytia, and E. van Groesen. "Embedded wave generation for dispersive surface wave models." Ocean Engineering 80 (April 2014): 73–83. http://dx.doi.org/10.1016/j.oceaneng.2014.01.008.

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17

Franjic, F., and S. Sorella. "Spin-Wave Wave Function for Quantum Spin Models." Progress of Theoretical Physics 97, no. 3 (March 1, 1997): 399–406. http://dx.doi.org/10.1143/ptp.97.399.

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18

Zhu, Zhenya, and M. Nafi Toksöz. "Seismoelectric and seismomagnetic measurements in fractured borehole models." GEOPHYSICS 70, no. 4 (July 2005): F45—F51. http://dx.doi.org/10.1190/1.1996907.

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Seismoelectric and seismomagnetic fields generated by seismic waves in fluid-saturated fractured borehole models are experimentally investigated with an electrode and a Hall-effect sensor. In a borehole with a horizontal fracture, the Stoneley and flexural waves induce seismoelectric and seismomagnetic fields on the borehole wall and an electromagnetic wave propagating at light speed at the horizontal fracture. In a borehole with a vertical fracture, the acoustic field generated by a monopole or dipole source is similar to that in a borehole without a vertical fracture. However, the acoustic w

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19

Chen, Shuyi S., Wei Zhao, Mark A. Donelan, and Hendrik L. Tolman. "Directional Wind–Wave Coupling in Fully Coupled Atmosphere–Wave–Ocean Models: Results from CBLAST-Hurricane." Journal of the Atmospheric Sciences 70, no. 10 (October 1, 2013): 3198–215. http://dx.doi.org/10.1175/jas-d-12-0157.1.

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Abstract The extreme high winds, intense rainfall, large ocean waves, and copious sea spray in hurricanes push the surface-exchange parameters for temperature, water vapor, and momentum into untested regimes. The Coupled Boundary Layer Air–Sea Transfer (CBLAST)-Hurricane program is aimed at developing improved coupling parameterizations (using the observations collected during the CBLAST-Hurricane field program) for the next-generation hurricane research prediction models. Hurricane-induced surface waves that determine the surface stress are highly asymmetric, which can affect storm structure

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20

Løvholt, F., S. Glimsdal, P. Lynett, and G. Pedersen. "Simulating tsunami propagation in fjords with long wave models." Natural Hazards and Earth System Sciences Discussions 2, no. 8 (August 1, 2014): 4857–87. http://dx.doi.org/10.5194/nhessd-2-4857-2014.

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Abstract. Tsunamis induced by rock slides constitute a severe hazard towards coastal fjord communities. Fjords are narrow and rugged with steep slopes, and modeling the short-frequency and high-amplitude tsunamis in this environment is demanding. In the present paper, our ability (and the lack thereof) to simulate tsunami propagation and run-up in fjords for typical wave characteristics of rock slide induced waves is demonstrated. The starting point is a 1 : 500 scale model of the topography and bathymetry of Storfjorden fjord system in western Norway. Using measured wave data from the scale m

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21

Li, Qinjun, Danyal Soybaş, Onur Alp Ilhan, Gurpreet Singh, and Jalil Manafian. "Pure Traveling Wave Solutions for Three Nonlinear Fractional Models." Advances in Mathematical Physics 2021 (April 9, 2021): 1–18. http://dx.doi.org/10.1155/2021/6680874.

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Three nonlinear fractional models, videlicet, the space-time fractional 1 + 1 Boussinesq equation, 2 + 1 -dimensional breaking soliton equations, and SRLW equation, are the important mathematical approaches to elucidate the gravitational water wave mechanics, the fractional quantum mechanics, the theoretical Huygens’ principle, the movement of turbulent flows, the ion osculate waves in plasma physics, the wave of leading fluid flow, etc. This paper is devoted to studying the dynamics of the traveling wave with fractional conformable nonlinear evaluation equations (NLEEs) arising in nonlinear w

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22

Gagarina, E., J. van der Vegt, and O. Bokhove. "Horizontal circulation and jumps in Hamiltonian wave models." Nonlinear Processes in Geophysics 20, no. 4 (July 12, 2013): 483–500. http://dx.doi.org/10.5194/npg-20-483-2013.

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Abstract. We are interested in the modelling of wave-current interactions around surf zones at beaches. Any model that aims to predict the onset of wave breaking at the breaker line needs to capture both the nonlinearity of the wave and its dispersion. We have therefore formulated the Hamiltonian dynamics of a new water wave model, incorporating both the shallow water and pure potential flow water wave models as limiting systems. It is based on a Hamiltonian reformulation of the variational principle derived by Cotter and Bokhove (2010) by using more convenient variables. Our new model has a t

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23

Chen, Xuanyu, Isaac Ginis, and Tetsu Hara. "Sensitivity of Offshore Tropical Cyclone Wave Simulations to Spatial Resolution in Wave Models." Journal of Marine Science and Engineering 6, no. 4 (October 11, 2018): 116. http://dx.doi.org/10.3390/jmse6040116.

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This study investigated and quantified the sensitivity of tropical cyclone (TC) wave simulations in the open ocean to different spatial resolutions ( 1 / 3 ∘ , 1 / 6 ∘ , 1 / 12 ∘ and 1 / 24 ∘ ) using two wave models, WAVEWATCH III (WW3) and Simulating WAves Nearshore (SWAN). Six idealized TCs of different radii of maximum winds (25 km and 50 km), and of different translation speeds (3 m/s, 6 m/s and 9 m/s) were prescribed to force these two wave models. Results from both models show that the coarsest resolution ( 1 / 3 ∘ ) introduces significant errors in both the significant wave height (SWH)

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24

Løvholt, F., S. Glimsdal, P. Lynett, and G. Pedersen. "Simulating tsunami propagation in fjords with long-wave models." Natural Hazards and Earth System Sciences 15, no. 3 (March 27, 2015): 657–69. http://dx.doi.org/10.5194/nhess-15-657-2015.

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Abstract. Tsunamis induced by rock slides constitute a severe hazard towards coastal fjord communities. Fjords are narrow and rugged with steep slopes, and modeling the short-frequency and high-amplitude tsunamis in this environment is demanding. In the present paper, our ability (and the lack thereof) to simulate tsunami propagation and run-up in fjords for typical wave characteristics of rock-slide-induced waves is demonstrated. The starting point is a 1 : 500 scale model of the topography and bathymetry of the southern part of Storfjorden fjord system in western Norway. Using measured wave

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25

Booij, Nico, and Leo H. Holthuijsen. "Propagation of ocean waves in discrete spectral wave models." Journal of Computational Physics 68, no. 2 (February 1987): 307–26. http://dx.doi.org/10.1016/0021-9991(87)90060-x.

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26

HLAVATÝ, LADISLAV, and IVO PETR. "NEW SOLVABLE SIGMA MODELS IN PLANE-PARALLEL WAVE BACKGROUND." International Journal of Modern Physics A 29, no. 02 (January 20, 2014): 1450009. http://dx.doi.org/10.1142/s0217751x14500092.

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We explicitly solve the classical equations of motion for strings in backgrounds obtained as non-Abelian T-duals of a homogeneous isotropic plane-parallel wave. To construct the dual backgrounds, semi-Abelian Drinfeld doubles are used which contain the isometry group of the homogeneous plane wave metric. The dual solutions are then found by the Poisson–Lie transformation of the explicit solution of the original homogeneous plane wave background. Investigating their Killing vectors, we have found that the dual backgrounds can be transformed to the form of more general plane-parallel waves.

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27

Valentina Socco, Laura, and Cesare Comina. "Time-average velocity estimation through surface-wave analysis: Part 2 — P-wave velocity." GEOPHYSICS 82, no. 3 (May 1, 2017): U61—U73. http://dx.doi.org/10.1190/geo2016-0368.1.

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Surface waves (SWs) in seismic records can be used to extract local dispersion curves (DCs) along a seismic line. These curves can be used to estimate near-surface S-wave velocity models. If the velocity models are used to compute S-wave static corrections, the required information consists of S-wave time-average velocities that define the one-way time for a given datum plan depth. However, given the wider use of P-wave reflection seismic with respect to S-wave surveys, the estimate of P-wave time-average velocity would be more useful. We therefore focus on the possibility of also extracting t

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28

Zhu, Zhenya, Matthijs W. Haartsen, and M. Nafi Toksöz. "Experimental studies of electrokinetic conversions in fluid‐saturated borehole models." GEOPHYSICS 64, no. 5 (September 1999): 1349–56. http://dx.doi.org/10.1190/1.1444639.

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Experimental and theoretical studies show that there are electromagnetic (EM) fields generated by seismic waves with two kinds of conversion mechanisms in a fluid‐saturated, porous medium. Within a homogeneous formation, the seismic wave generates a seismoelectric field that exists only in the area disturbed by the seismic wave and whose apparent velocity is that of the seismic wave. At an interface between differing formation properties, the generated seismoelectric wave is a propagating EM wave that can be detected everywhere. An electrode, used as a receiver on the ground surface, can detec

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29

FLEMING, C. A. "TECHNICAL NOTE. HYDRODYNAMIC WAVE MODELS." Proceedings of the Institution of Civil Engineers - Water Maritime and Energy 96, no. 3 (September 1992): 193–96. http://dx.doi.org/10.1680/iwtme.1992.21089.

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30

Wurbs, Ralph A. "Dam‐Breach Flood Wave Models." Journal of Hydraulic Engineering 113, no. 1 (January 1987): 29–46. http://dx.doi.org/10.1061/(asce)0733-9429(1987)113:1(29).

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31

Lindgren, G. "Wave analysis by Slepian models." Probabilistic Engineering Mechanics 15, no. 1 (January 2000): 49–57. http://dx.doi.org/10.1016/s0266-8920(99)00008-9.

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32

Degasperis, Antonio. "Integrable nonlocal wave interaction models." Journal of Physics A: Mathematical and Theoretical 44, no. 5 (January 10, 2011): 052002. http://dx.doi.org/10.1088/1751-8113/44/5/052002.

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33

Amini, Erfan, Danial Golbaz, Fereidoun Amini, Meysam Majidi Nezhad, Mehdi Neshat, and Davide Astiaso Garcia. "A Parametric Study of Wave Energy Converter Layouts in Real Wave Models." Energies 13, no. 22 (November 20, 2020): 6095. http://dx.doi.org/10.3390/en13226095.

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Ocean wave energy is a broadly accessible renewable energy source; however, it is not fully developed. Further studies on wave energy converter (WEC) technologies are required in order to achieve more commercial developments. In this study, four CETO6 spherical WEC arrangements have been investigated, in which a fully submerged spherical converter is modelled. The numerical model is applied using linear potential theory, frequency-domain analysis, and irregular wave scenario. We investigate a parametric study of the distance influence between WECs and the effect of rotation regarding significa

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34

Badulin, S. I., V. G. Grigorieva, L. Aouf, and A. Dalphinet. "HIGH RESOLUTION WAVE FORECASTING MODELS AND WAVE TURBULENCE THEORY." XXII workshop of the Council of nonlinear dynamics of the Russian Academy of Sciences 47, no. 1 (April 30, 2019): 15–17. http://dx.doi.org/10.29006/1564-2291.jor-2019.47(1).3.

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Results of high resolution sea wave modeling are treated within the theory of wave (weak) turbulence. Spatial resolution 1 km is shown likely to be excessive and lead to appearance of artificial structures in fields of wave periods and steepness. The research was supported by the state assignment of IO RAS, theme 0149-2019-0002.

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35

Boiero, Daniele. "Surface wave analysis for building shear wave velocity models." GEOPHYSICS 76, no. 2 (March 2011): Z27. http://dx.doi.org/10.1190/1.3574120.

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36

Grimshaw, Roger, Dmitry Pelinovsky, Efim Pelinovsky, and Tatiana Talipova. "Wave group dynamics in weakly nonlinear long-wave models." Physica D: Nonlinear Phenomena 159, no. 1-2 (November 2001): 35–57. http://dx.doi.org/10.1016/s0167-2789(01)00333-5.

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37

Sun, Weitao, Jing Ba, Tobias M. Müller, José M. Carcione, and Hong Cao. "Comparison ofP-wave attenuation models of wave-induced flow." Geophysical Prospecting 63, no. 2 (November 14, 2014): 378–90. http://dx.doi.org/10.1111/1365-2478.12196.

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38

Krasheninnikov, V. R., and A. U. Subbotin. "Double stochastic wave models of multidimensional random fields." Information Technology and Nanotechnology, no. 2391 (2019): 41–47. http://dx.doi.org/10.18287/1613-0073-2019-2391-41-47.

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The paper deals with the development of mathematical models of random fields to describe and simulate images. In the wave model, a random field is the result of the influence of perturbations (waves) that occur at random times in random places and have random shapes. This model allows representing and simulate isotropic and anisotropic images (and their temporal sequences) defined on arbitrary areas of multidimensional space, as well as on any surfaces. The problems of correlation analysis and synthesis can be relatively easily solved. However, this model allows representing only homogeneous f

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39

Kachulin, Dmitry, Alexander Dyachenko, and Vladimir Zakharov. "Soliton Turbulence in Approximate and Exact Models for Deep Water Waves." Fluids 5, no. 2 (May 10, 2020): 67. http://dx.doi.org/10.3390/fluids5020067.

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We investigate and compare soliton turbulence appearing as a result of modulational instability of the homogeneous wave train in three nonlinear models for surface gravity waves: the nonlinear Schrödinger equation, the super compact Zakharov equation, and the fully nonlinear equations written in conformal variables. We show that even at a low level of energy and average wave steepness, the wave dynamics in the nonlinear Schrödinger equation fundamentally differ from the dynamics in more accurate models. We study energy losses of wind waves due to their breaking for large values of total energy

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Dupuis, L., and Y. Ouellet. "Prévision des vagues dans l'estuaire du Saint-Laurent à l'aide d'un modèle bidimensionnel." Canadian Journal of Civil Engineering 26, no. 6 (December 1, 1999): 713–23. http://dx.doi.org/10.1139/l99-033.

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Until now, wave hindcasting in the Estuary and Gulf of St. Lawrence has been done with one-dimensional models. The objective of the present paper is to verify if the two-dimensional model WAWSP, developed to predict waves on the Great Lakes, could be used in the St. Lawrence estuary, a semi-open fetch limited region. Waves (significant wave heights, peak periods, and directions) hindcast by this 2D model are compared with wave data observed at two buoys in 1991, 1992, and 1993, as well as with the ones obtained with 1D models SPM-77 and SPM-84. As a whole, the 2D model gives better results tha

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Vogel, J. A., A. C. Radder, and J. H. De Reus. "VERIFICATION OF NUMERICAL WAVE PROPAGATION MODELS IN TIDAL INLETS." Coastal Engineering Proceedings 1, no. 21 (January 29, 1988): 30. http://dx.doi.org/10.9753/icce.v21.30.

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The performance of two numerical wave propagation models has been investigated by comparison with field data. The first model is a refractiondiffraction model based on the parabolic equation method. The second is a refraction model based on the wave action equation, using a regular grid. Two field situations, viz. a tidal inlet and a river estuary along the Dutch coast, were used to determine the influence of the local wind on waves behind an island and a breaker zone. It may be concluded from the results of the computations and measurements that a much better agreement is obtained when wave g

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Pravica, D. W., N. Randriampiry, and M. J. Spurr. "-Advanced Models for Tsunami and Rogue Waves." Abstract and Applied Analysis 2012 (2012): 1–26. http://dx.doi.org/10.1155/2012/414060.

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A wavelet , that satisfies theq-advanced differential equation for , is used to modelN-wave oscillations observed in tsunamis. Althoughq-advanced ODEs may seem nonphysical, we present an application that model tsunamis, in particular the Japanese tsunami of March 11, 2011, by utilizing a one-dimensional wave equation that is forced by . The profile is similar to tsunami models in present use. The function is a wavelet that satisfies aq-advanced harmonic oscillator equation. It is also shown that another wavelet, , matches a rogue-wave profile. This is explained in terms of a resonance wherein

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Stephan, Claudia, M. Joan Alexander, and Jadwiga H. Richter. "Characteristics of Gravity Waves from Convection and Implications for Their Parameterization in Global Circulation Models." Journal of the Atmospheric Sciences 73, no. 7 (June 24, 2016): 2729–42. http://dx.doi.org/10.1175/jas-d-15-0303.1.

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Abstract Characteristic properties of gravity waves from convection over the continental United States are derived from idealized high-resolution numerical simulations. In a unique modeling approach, waves are forced by a realistic thermodynamic source based on observed precipitation data. The square of the precipitation rate and the gravity wave momentum fluxes both show lognormal occurrence distributions, with long tails of extreme events. Convectively generated waves can give forces in the lower stratosphere that at times rival orographic wave forcing. Throughout the stratosphere, zonal for

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Teng, Yunfei, Lin Lu, Liang Cheng, Feifei Tong, and Guoqiang Tang. "DEFECT FUNCTION MODELS FOR THE WAVE BOUNDARY LAYERS." Coastal Engineering Proceedings, no. 36v (December 28, 2020): 2. http://dx.doi.org/10.9753/icce.v36v.waves.2.

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The boundary layer flow induced by surface waves has been extensively investigated due to its significance in engineering applications such as sediment transport and hydrodynamic forces on subsea structures. Several forms of defect functions (referred to as DF hereafter) were developed in the past decades, e.g. Sleath (1970, 1982), Nielsen (1985, 2016) and etc., due to their good efficiency in the description of the velocity distribution in one dimensional wave boundary layer (WBL). In this work, two forms of DFs are proposed: (i) DF-I describes the velocity distributions and bottom shear stre

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Firdaus, Nurman, Baharuddin Ali, Mochammad Nasir, and M. Muryadin. "The Wave Heights Distribution of Random Wave Based on Ocean Basin." Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan 17, no. 3 (October 1, 2020): 114–22. http://dx.doi.org/10.14710/kapal.v17i3.31021.

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The wave height parameter in ocean waves is one of the important information for a marine structure design. The present paper investigates the results of wave heights distribution from laboratory-generated for single sea state. Data of the random wave time series collected at the ocean basin are analyzed using the wave spectrum and compared with the theoretical spectrum in this study. The random wave data is varied with four sea states consisting of sea states 3, 4, 5 and 6 obtained from laboratory measurements. The parameter conditions of generated sea waves are represented by a value of sign

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46

Hong, Woo-Pyo. "Dynamics of Combined Solitary-waves in the General Shallow Water Wave Models." Zeitschrift für Naturforschung A 58, no. 9-10 (October 1, 2003): 520–28. http://dx.doi.org/10.1515/zna-2003-9-1008.

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We find new analytic solitary-wave solutions, having a nonzero background at infinity, of the general fifth-order shallow water wave models using the hyperbolic function ansatz method. We study the dynamical properties of the solutions in the combined form of a bright and a dark solitary-wave by using numerical simulations. It is shown that the solitary-waves can be stable or marginally stable, depending on the coefficients of the model.We study the interaction dynamics by using the combined solitary-waves as the initial profiles to show the formation of sech2-type solitary-waves in the presen

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Sundaravadivelu, R., R. Harps, and O. Mahrenholtz. "Twin Floating Connected Models in Regular Beam Waves." Journal of Offshore Mechanics and Arctic Engineering 114, no. 4 (November 1, 1992): 242–49. http://dx.doi.org/10.1115/1.2919976.

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This paper presents the studies carried out on twin floating models connected alongside with hinge connection in regular beam waves of different frequencies in a wave flume. The heave, roll and sway, normalized with the wave amplitude are reported for a single box, a single half-cylinder, twin boxes and twin half-cylinders. The effect of separation distance and stiffness of the connection on the response of the twin models are also reported.

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Athanasopoulos, Nikolaos, Edgar Manukyan, Thomas Bohlen, and Hansruedi Maurer. "Time–frequency windowing in multiparameter elastic FWI of shallow seismic wavefield." Geophysical Journal International 222, no. 2 (May 15, 2020): 1164–77. http://dx.doi.org/10.1093/gji/ggaa242.

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SUMMARY Full-waveform inversion of shallow seismic wavefields is a promising method to infer multiparameter models of elastic material properties (S-wave velocity, P-wave velocity and mass density) of the shallow subsurface with high resolution. Previous studies used either the refracted Pwaves to reconstructed models of P-wave velocity or the high-amplitude Rayleigh waves to infer the S-wave velocity structure. In this work, we propose a combination of both wavefields using continuous time–frequency windowing. We start with the contribution of refracted P waves and gradually increase the time

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Watanabe, S., K. Sato, Y. Kawatani, and M. Takahashi. "Vertical resolution dependence of gravity wave momentum flux simulated by an atmospheric general circulation model." Geoscientific Model Development 8, no. 6 (June 2, 2015): 1637–44. http://dx.doi.org/10.5194/gmd-8-1637-2015.

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Abstract. The dependence of the gravity wave spectra of energy and momentum flux on the horizontal resolution and time step of atmospheric general circulation models (AGCMs) has been thoroughly investigated in the past. In contrast, much less attention has been given to the dependence of these gravity wave parameters on models' vertical resolutions. The present study demonstrates the dependence of gravity wave momentum flux (GWMF) in the stratosphere and mesosphere on the model's vertical resolution, which is evaluated using an AGCM with a horizontal resolution of about 0.56°. We performed a s

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Boateng, Kwasi, Weigou Yang, Michael Ezra Otoo, and David Yaro. "Dispersive Traveling Wave Solution for Non-Linear Waves Dynamical Models." Journal of Applied Mathematics and Physics 07, no. 10 (2019): 2467–80. http://dx.doi.org/10.4236/jamp.2019.710167.

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