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Artigos de revistas sobre o tema "Boussinesq-Type"

Autor: Grafiati

Publicado: 23 de novembro de 2024

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1

Yuldashev, Tursun. "Mixed Boussinesq-Type Differential Equation". Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 1. Mathematica. Physica, n.º 2 (junho de 2016): 13–26. http://dx.doi.org/10.15688/jvolsu1.2016.2.2.

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2

McCann, Maile, Patrick Lynett e Behzad Ebrahimi. "FREQUENCY DISPERSION IN DEPTH-INTEGRATED MODELS THROUGH MACHINE LEARNING SURROGATES". Coastal Engineering Proceedings, n.º 37 (1 de setembro de 2023): 54. http://dx.doi.org/10.9753/icce.v37.waves.54.

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Boussinesq- type wave models have the accuracy to resolve wave propagation in coastal zones, having the ability to capture nearshore dynamics that include both nonlinear and dispersive effects for relatively short waves. The accuracy of Boussinesq type models over their counterparts which utilize the non- linear shallow water (NLSW) equations provides a clear advantage in studying nearshore processes. However, the computational expense of finding the Boussinesq solution over the NLSW solution hinders fast and/ or real time simulation using Boussinesq type models.

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3

De BRYE, Sébastien, Rodolfo Silva e Edgar Mendoza. "BOUSSINESQ TYPE MODELLING OF STORM SURGES". Coastal Engineering Proceedings 1, n.º 33 (11 de outubro de 2012): 15. http://dx.doi.org/10.9753/icce.v33.posters.15.

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To get a better understanding of transient stages of storm surges, this work examines the response of a Boussinesq type model to a moving low pressure system forcing, discussing results through numerical simulations in one horizontal dimension.

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4

Engelbrecht, Jüri, Tanel Peets e Kert Tamm. "Solitons modelled by Boussinesq-type equations". Mechanics Research Communications 93 (outubro de 2018): 62–65. http://dx.doi.org/10.1016/j.mechrescom.2017.05.008.

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5

Meletlidou, Efi, Joël Pouget, Gérard Maugin e Elias Aifantis. "Invariant relations in Boussinesq-type equations". Chaos, Solitons & Fractals 22, n.º 3 (novembro de 2004): 613–25. http://dx.doi.org/10.1016/j.chaos.2004.02.007.

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6

Schäffer, Hemming A., e Per A. Madsen. "Further enhancements of Boussinesq-type equations". Coastal Engineering 26, n.º 1-2 (setembro de 1995): 1–14. http://dx.doi.org/10.1016/0378-3839(95)00017-2.

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7

Murawski, K. "Instabilities of generalized Boussinesq-type waves". Wave Motion 10, n.º 2 (abril de 1988): 161–69. http://dx.doi.org/10.1016/0165-2125(88)90041-8.

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8

Luo, Dejun. "Convergence of stochastic 2D inviscid Boussinesq equations with transport noise to a deterministic viscous system". Nonlinearity 34, n.º 12 (5 de novembro de 2021): 8311–30. http://dx.doi.org/10.1088/1361-6544/ac3145.

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Abstract The inviscid 2D Boussinesq system with thermal diffusivity and multiplicative noise of transport type is studied in the L 2-setting. It is shown that, under a suitable scaling of the noise, weak solutions to the stochastic 2D Boussinesq equations converge weakly to the unique solution of the deterministic viscous Boussinesq system. Consequently, the transport noise asymptotically regularises the inviscid 2D Boussinesq system and enhances dissipation in the limit.

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9

Song, Changming, Jina Li e Ran Gao. "Nonexistence of Global Solutions to the Initial Boundary Value Problem for the Singularly Perturbed Sixth-Order Boussinesq-Type Equation". Journal of Applied Mathematics 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/928148.

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We are concerned with the singularly perturbed Boussinesq-type equation including the singularly perturbed sixth-order Boussinesq equation, which describes the bidirectional propagation of small amplitude and long capillary-gravity waves on the surface of shallow water for bond number (surface tension parameter) less than but very close to 1/3. The nonexistence of global solution to the initial boundary value problem for the singularly perturbed Boussinesq-type equation is discussed and two examples are given.

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10

Taskesen, Hatice, Necat Polat e Abdulkadir Ertaş. "On Global Solutions for the Cauchy Problem of a Boussinesq-Type Equation". Abstract and Applied Analysis 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/535031.

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We will give conditions which will guarantee the existence of global weak solutions of the Boussinesq-type equation with power-type nonlinearity and supercritical initial energy. By defining new functionals and using potential well method, we readdressed the initial value problem of the Boussinesq-type equation for the supercritical initial energy case.

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11

IVANOV, E., S. KRIVONOS e R. P. MALIK. "BOUSSINESQ-TYPE EQUATIONS FROM NONLINEAR REALIZATIONS OF W3". International Journal of Modern Physics A 08, n.º 18 (20 de julho de 1993): 3199–222. http://dx.doi.org/10.1142/s0217751x93001284.

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We construct new coset realizations of infinite-dimensional linear [Formula: see text] symmetry associated with Zamolodchikov's W3 algebra which are different from the previously explored sl3 Toda realizations of [Formula: see text]. We deduce the Boussinesq and modified Boussinesq equations as constraints on the geometry of the corresponding coset manifolds. The main characteristic features of these realizations are: (i) among the coset parameters there are space and time coordinates x and t which enter the Boussinesq equations; all other coset parameters are regarded as fields depending on these coordinates; (ii) the spin 2 and 3 currents of W3 and two spin 1 U (1) Kac–Moody currents as well as two spin 0 fields related to the W3 currents via Miura maps, come out as the only essential parameter-fields of these cosets; the remaining coset fields are covariantly expressed through them; (iii) the Miura maps get a new geometric interpretation as [Formula: see text]-covariant constraints which relate the above fields while passing from one coset manifold to another; (iv) the Boussinesq equation and two kinds of the modified Boussinesq equations appear geometrically as the dynamical constraints accomplishing [Formula: see text]-covariant reductions of original coset manifolds to their two-dimensional geodesic submanifolds; (v) the zero-curvature representations for these equations arise automatically as a consequence of the covariant reduction; (vi) W3 symmetry of the Boussinesq equations amounts to the left action of [Formula: see text] symmetry on its cosets. The approach proposed could provide a universal geometric description of the relationship between W-type algebras and integrable hierarchies.

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12

Kennedy, Andrew B., James T. Kirby, Qin Chen e Robert A. Dalrymple. "Boussinesq-type equations with improved nonlinear performance". Wave Motion 33, n.º 3 (março de 2001): 225–43. http://dx.doi.org/10.1016/s0165-2125(00)00071-8.

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13

Zou, Z. L., P. C. Hu, K. Z. Fang e Z. B. Liu. "Boussinesq-type equations for wave–current interaction". Wave Motion 50, n.º 4 (junho de 2013): 655–75. http://dx.doi.org/10.1016/j.wavemoti.2013.01.001.

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14

Klonaris, Georgios Th, e Constantine D. Memos. "Compound Boussinesq-type modelling over porous beds". Applied Ocean Research 105 (dezembro de 2020): 102422. http://dx.doi.org/10.1016/j.apor.2020.102422.

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15

Passerini, Arianna, e Gudrun Thäter. "Boussinesq-type approximation for second-grade fluids". International Journal of Non-Linear Mechanics 40, n.º 6 (julho de 2005): 821–31. http://dx.doi.org/10.1016/j.ijnonlinmec.2004.07.019.

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16

Rosenau, P., e J. L. Schwarzmeier. "On similarity solutions of Boussinesq-type equations". Physics Letters A 115, n.º 3 (março de 1986): 75–77. http://dx.doi.org/10.1016/0375-9601(86)90026-5.

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17

Kazolea, M., e M. Ricchiuto. "On wave breaking for Boussinesq-type models". Ocean Modelling 123 (março de 2018): 16–39. http://dx.doi.org/10.1016/j.ocemod.2018.01.003.

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18

FENG, WEI, SONG-LIN ZHAO e DA-JUN ZHANG. "EXACT SOLUTIONS TO LATTICE BOUSSINESQ-TYPE EQUATIONS". Journal of Nonlinear Mathematical Physics 19, n.º 04 (dezembro de 2012): 1250031. http://dx.doi.org/10.1142/s1402925112500313.

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In this paper several kinds of exact solutions to lattice Boussinesq-type equations are constructed by means of generalized Cauchy matrix approach, including soliton solutions and mixed solutions. The introduction of the general condition equation set yields that all solutions contain two kinds of plane-wave factors.

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19

Memos, Constantine D., Georgios Th Klonaris e Michalis K. Chondros. "On Higher-Order Boussinesq-Type Wave Models". Journal of Waterway, Port, Coastal, and Ocean Engineering 142, n.º 1 (janeiro de 2016): 04015011. http://dx.doi.org/10.1061/(asce)ww.1943-5460.0000317.

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20

Fokas, A. S., e B. Pelloni. "Boundary Value Problems for Boussinesq Type Systems". Mathematical Physics, Analysis and Geometry 8, n.º 1 (fevereiro de 2005): 59–96. http://dx.doi.org/10.1007/s11040-004-1650-6.

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21

Pavlov, M. V. "The Boussinesq equation and Miura-type transformations". Journal of Mathematical Sciences 136, n.º 6 (agosto de 2006): 4478–83. http://dx.doi.org/10.1007/s10958-006-0239-y.

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22

Yang, Zonghang, e Benny Y. C. Hon. "An Improved Modified Extended tanh-Function Method". Zeitschrift für Naturforschung A 61, n.º 3-4 (1 de abril de 2006): 103–15. http://dx.doi.org/10.1515/zna-2006-3-401.

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In this paper we further improve the modified extended tanh-function method to obtain new exact solutions for nonlinear partial differential equations. Numerical applications of the proposed method are verified by solving the improved Boussinesq equation and the system of variant Boussinesq equations. The new exact solutions for these equations include Jacobi elliptic doubly periodic type,Weierstrass elliptic doubly periodic type, triangular type and solitary wave solutions

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23

Hwang, Sooncheol, Sangyoung Son e Patrick J. Lynett. "A GPU-ACCELERATED MODELING OF SCALAR TRANSPORT BASED ON BOUSSINESQ-TYPE EQUATIONS". Coastal Engineering Proceedings, n.º 36v (28 de dezembro de 2020): 11. http://dx.doi.org/10.9753/icce.v36v.waves.11.

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This paper describes a two-dimensional scalar transport model solving advection-diffusion equation based on GPU-accelerated Boussinesq model called Celeris. Celeris is the firstly-developed Boussinesq-type model that is equipped with an interactive system between user and computing unit. Celeris provides greatly advantageous user-interface that one can change not only water level, topography but also model parameters while the simulation is running. In this study, an advection-diffusion equation for scalar transport was coupled with extended Boussinesq equations to simulate scalar transport in the nearshore.Recorded Presentation from the vICCE (YouTube Link): https://youtu.be/aHvMmdz3wps

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24

Shi, Jincheng, e Yan Liu. "Continuous Dependence for the Boussinesq Equations under Reaction Boundary Conditions in R2". Mathematics 10, n.º 6 (19 de março de 2022): 991. http://dx.doi.org/10.3390/math10060991.

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In this paper, we studied the continuous dependence result for the Boussinesq equations. We considered the case where Ω was a bounded domain in R2. Temperatures T and C satisfied reaction boundary conditions. A first-order inequality for the differences of energy could be derived. An integration of this inequality produced a continuous dependence result. The result told us that the continuous dependence type stability was also valid for the Boussinesq coefficient λ of the Boussinesq equations with reaction boundary conditions.

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25

Yang, Zhijian, Na Feng e Yanan Li. "Robust attractors for a Kirchhoff-Boussinesq type equation". Evolution Equations & Control Theory 9, n.º 2 (2020): 469–88. http://dx.doi.org/10.3934/eect.2020020.

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26

MORI, Tomohiro, e Takenori SHIMOZONO. "LEVEE OVERFLOW SIMULATION BY MODIFIED BOUSSINESQ-TYPE EQUATIONS". Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 73, n.º 2 (2017): I_13—I_18. http://dx.doi.org/10.2208/kaigan.73.i_13.

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27

Chondros, Michalis K., Iason G. Koutsourelakis e Constantine D. Memos. "A Boussinesq-type model incorporating random wave-breaking". Journal of Hydraulic Research 49, n.º 4 (8 de julho de 2011): 529–38. http://dx.doi.org/10.1080/00221686.2011.571817.

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28

Otta, Ashwini K., e Hemming A. Schäffer. "Finite-amplitude analysis of some Boussinesq-type equations". Coastal Engineering 36, n.º 4 (maio de 1999): 323–41. http://dx.doi.org/10.1016/s0378-3839(99)00012-5.

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29

Yang, Zhijian, e Xia Wang. "Blowup of solutions for improved Boussinesq type equation". Journal of Mathematical Analysis and Applications 278, n.º 2 (fevereiro de 2003): 335–53. http://dx.doi.org/10.1016/s0022-247x(02)00516-4.

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30

de Brye, Sébastien, Rodolfo Silva e Adrián Pedrozo-Acuña. "An LDG numerical approach for Boussinesq type modelling". Ocean Engineering 68 (agosto de 2013): 77–87. http://dx.doi.org/10.1016/j.oceaneng.2013.04.017.

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31

Steinmoeller, D. T., M. Stastna e K. G. Lamb. "Fourier pseudospectral methods for 2D Boussinesq-type equations". Ocean Modelling 52-53 (agosto de 2012): 76–89. http://dx.doi.org/10.1016/j.ocemod.2012.05.003.

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32

Li, Y. S., e J. M. Zhan. "Boussinesq-Type Model with Boundary-Fitted Coordinate System". Journal of Waterway, Port, Coastal, and Ocean Engineering 127, n.º 3 (junho de 2001): 152–60. http://dx.doi.org/10.1061/(asce)0733-950x(2001)127:3(152).

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33

Grajales, Juan Carlos Muñoz, e André Nachbin. "Improved Boussinesq-type equations for highly variable depth". IMA Journal of Applied Mathematics 71, n.º 4 (1 de agosto de 2006): 600–633. http://dx.doi.org/10.1093/imamat/hxl008.

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34

Simarro, Gonzalo, Alejandro Orfila e Alvaro Galan. "Linear shoaling in Boussinesq-type wave propagation models". Coastal Engineering 80 (outubro de 2013): 100–106. http://dx.doi.org/10.1016/j.coastaleng.2013.05.009.

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35

Castro, Ángel, Diego Córdoba e Daniel Lear. "On the asymptotic stability of stratified solutions for the 2D Boussinesq equations with a velocity damping term". Mathematical Models and Methods in Applied Sciences 29, n.º 07 (24 de junho de 2019): 1227–77. http://dx.doi.org/10.1142/s0218202519500210.

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We consider the 2D Boussinesq equations with a velocity damping term in a strip domain, with impermeable walls. In this physical scenario, where the Boussinesq approximation is accurate when density or temperature variations are small, our main result is the asymptotic stability for a specific type of perturbations of a stratified solution.

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36

Belmiloudi, Aziz. "Robin-type boundary control problems for the nonlinear Boussinesq type equations". Journal of Mathematical Analysis and Applications 273, n.º 2 (setembro de 2002): 428–56. http://dx.doi.org/10.1016/s0022-247x(02)00252-4.

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37

PRUŠA, VÍT, e K. R. RAJAGOPAL. "ON MODELS FOR VISCOELASTIC MATERIALS THAT ARE MECHANICALLY INCOMPRESSIBLE AND THERMALLY COMPRESSIBLE OR EXPANSIBLE AND THEIR OBERBECK–BOUSSINESQ TYPE APPROXIMATIONS". Mathematical Models and Methods in Applied Sciences 23, n.º 10 (12 de julho de 2013): 1761–94. http://dx.doi.org/10.1142/s0218202513500516.

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Viscoelastic fluid like materials that are mechanically incompressible but are compressible or expansible with respect to thermal stimuli are of interest in various applications ranging from geophysics and polymer processing to glass manufacturing. Here we develop a thermodynamical framework for the modeling of such materials. First we illustrate the basic ideas in the simpler case of a viscous fluid, and after that we use the notion of natural configuration and the concept of the maximization of the entropy production, and we develop a model for a Maxwell type viscoelastic fluid that is mechanically incompressible and thermally expansible or compressible. An important approximation in fluid mechanics that is frequently used in modeling buoyancy driven flows is the Oberbeck–Boussinesq approximation. Originally, the approximation was used for studying the flows of viscous fluids in thin layers subject to a small temperature gradient. However, the approximation has been used almost without any justification even for flows of non-Newtonian fluids induced by strong temperature gradients in thick layers. Having a full system of the governing equations for a Maxwell type viscoelastic mechanically incompressible and thermally expansible or compressible fluid, we investigate the validity of the Oberbeck–Boussinesq type approximation for flows of this type of fluids. It turns out that the Oberbeck–Boussinesq type approximation is in general not a good approximation, in particular if one considers "high Rayleigh number" flows. This indicates that the Oberbeck–Boussinesq type approximation should not be used routinely for all buoyancy driven flows, and its validity should be thoroughly examined before it is used as a mathematical model.

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38

YANG, XIAO-JUN, J. A. TENREIRO MACHADO e DUMITRU BALEANU. "EXACT TRAVELING-WAVE SOLUTION FOR LOCAL FRACTIONAL BOUSSINESQ EQUATION IN FRACTAL DOMAIN". Fractals 25, n.º 04 (25 de julho de 2017): 1740006. http://dx.doi.org/10.1142/s0218348x17400060.

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The new Boussinesq-type model in a fractal domain is derived based on the formulation of the local fractional derivative. The novel traveling wave transform of the non-differentiable type is adopted to convert the local fractional Boussinesq equation into a nonlinear local fractional ODE. The exact traveling wave solution is also obtained with aid of the non-differentiable graph. The proposed method, involving the fractal special functions, is efficient for finding the exact solutions of the nonlinear PDEs in fractal domains.

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39

Bonar, Paul A. J., Colm J. Fitzgerald, Zhiliang Lin, Ton S. van den Bremer, Thomas A. A. Adcock e Alistair G. L. Borthwick. "Anomalous wave statistics following sudden depth transitions: application of an alternative Boussinesq-type formulation". Journal of Ocean Engineering and Marine Energy 7, n.º 2 (21 de abril de 2021): 145–55. http://dx.doi.org/10.1007/s40722-021-00192-0.

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AbstractRecent studies of water waves propagating over sloping seabeds have shown that sudden transitions from deeper to shallower depths can produce significant increases in the skewness and kurtosis of the free surface elevation and hence in the probability of rogue wave occurrence. Gramstad et al. (Phys. Fluids 25 (12): 122103, 2013) have shown that the key physics underlying these increases can be captured by a weakly dispersive and weakly nonlinear Boussinesq-type model. In the present paper, a numerical model based on an alternative Boussinesq-type formulation is used to repeat these earlier simulations. Although qualitative agreement is achieved, the present model is found to be unable to reproduce accurately the findings of the earlier study. Model parameter tests are then used to demonstrate that the present Boussinesq-type formulation is not well-suited to modelling the propagation of waves over sudden depth transitions. The present study nonetheless provides useful insight into the complexity encountered when modelling this type of problem and outlines a number of promising avenues for further research.

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40

Gao Liang, Xu Wei, Tang Ya-Ning e Shen Jian-Wei. "New explicit exact solutions of one type of generalized Boussinesq equations and the Boussinesq-Burgers equation". Acta Physica Sinica 56, n.º 4 (2007): 1860. http://dx.doi.org/10.7498/aps.56.1860.

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Wu, Qiang, Lin Hu e Guili Liu. "An Osgood Type Regularity Criterion for the 3D Boussinesq Equations". Scientific World Journal 2014 (2014): 1–4. http://dx.doi.org/10.1155/2014/563084.

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42

Su, Yan. "Numerical Researches of Rectangular Barge in Variable Bathymetry Based on Boussinesq-Step Method". Advances in Civil Engineering 2022 (18 de agosto de 2022): 1–9. http://dx.doi.org/10.1155/2022/2209394.

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Wave responses of the rectangular barge in variable bathymetry are investigated by combining the Boussinesq-type equations and the step method. The highly accurate Boussinesq-type equations in terms of velocity potential are adopted for simulating the evolution of waves along the inclined beach. Hydrodynamic coefficients of a rectangular barge floating on the inclined bottom are calculated by the step method in the frequency domain. Based on the impulse response function method, the motions of the barge can be predicted in the time domain. The Haskind relation is used to reform the wave exciting forces, and the mean offset in the sway motion is also given based on the mean drift force. The wave responses of the barge at different locations along the inclined beach are measured in the experiments. Compared with experimental results, the solutions of the Boussinesq-step method present an overall good agreement.

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43

Capistrano–Filho, Roberto A., Ademir F. Pazoto e Lionel Rosier. "Control of a Boussinesq system of KdV–KdV type on a bounded interval". ESAIM: Control, Optimisation and Calculus of Variations 25 (2019): 58. http://dx.doi.org/10.1051/cocv/2018036.

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We consider a Boussinesq system of KdV–KdV type introduced by J.L. Bona, M. Chen and J.-C. Saut as a model for the motion of small amplitude long waves on the surface of an ideal fluid. This system of two equations can describe the propagation of waves in both directions, while the single KdV equation is limited to unidirectional waves. We are concerned here with the exact controllability of the Boussinesq system by using some boundary controls. By reducing the controllability problem to a spectral problem which is solved by using the Paley–Wiener method introduced by the third author for KdV, we determine explicitly all the critical lengths for which the exact controllability fails for the linearized system, and give a complete picture of the controllability results with one or two boundary controls of Dirichlet or Neumann type. The extension of the exact controllability to the full Boussinesq system is derived in the energy space in the case of a control of Neumann type. It is obtained by incorporating a boundary feedback in the control in order to ensure a global Kato smoothing effect.

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44

Zhang, Wei. "A priori estimates for the free boundary problem of incompressible inviscid Boussinesq and MHD-Boussinesq equations without heat diffusion". AIMS Mathematics 8, n.º 3 (2022): 6074–94. http://dx.doi.org/10.3934/math.2023307.

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<abstract><p>For all physical spatial dimensions $ n = 2 $ and $ 3 $, we establish a priori estimates of Sobolev norms for free boundary problem of inviscid Boussinesq and MHD-Boussinesq equations without heat diffusion under the Taylor-type sign condition on the initial free boundary. It is different from MHD equations because the energy of the system is not conserved.</p></abstract>

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45

sci, Joao Guilherme Caldas Steinstraesser. "A Domain Decomposition Method for Linearized Boussinesq-Type Equations". Journal of Mathematical Study 52, n.º 3 (junho de 2019): 320–40. http://dx.doi.org/10.4208/jms.v52n3.19.06.

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46

Hutahaean, Syawaluddin. "Boussinesq-type Equation Formulated using the Weighted Taylor Series". International Journal of Advanced Engineering Research and Science 8, n.º 12 (2021): 259–65. http://dx.doi.org/10.22161/ijaers.812.25.

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47

Klonaris, Georgios Th, Constantine D. Memos, Nils K. Drønen e Rolf Deigaard. "Boussinesq-Type Modeling of Sediment Transport and Coastal Morphology". Coastal Engineering Journal 59, n.º 1 (março de 2017): 1750007–1. http://dx.doi.org/10.1142/s0578563417500073.

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Fang, Kezhao, Jiawen Sun, Guangchun Song, Gang Wang, Hao Wu e Zhongbo Liu. "A GPU accelerated Boussinesq-type model for coastal waves". Acta Oceanologica Sinica 41, n.º 9 (setembro de 2022): 158–68. http://dx.doi.org/10.1007/s13131-022-2004-6.

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Li, Y. S., e J. M. Zhan. "Chebyshev Finite-Spectral Method for 1D Boussinesq-Type Equations". Journal of Waterway, Port, Coastal, and Ocean Engineering 132, n.º 3 (maio de 2006): 212–23. http://dx.doi.org/10.1061/(asce)0733-950x(2006)132:3(212).

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