Identyfikatory
Warianty tytułu
Języki publikacji
Abstrakty
The paper is concerned with the problem of gravitational wave propagation in water of variable depth. The problem is solved numerically by applying an element-free Galerkin method. First, the proposed model is validated by comparing its predictions with experimental data for the plane flow in water of uniform depth. Then, as illustrations, results of numerical simulations performed for plane gravity waves propagating through a region with a sloping bed are presented. These results show the evolution of the free-surface elevation, displaying progressive steepening of the wave over the sloping bed, followed by its attenuation in a region of uniform depth. In addition, some of the results of the present model are compared with those obtained earlier by using the conventional finite element method.
Słowa kluczowe
Rocznik
Tom
Strony
87--105
Opis fizyczny
Bibliogr. 27 poz., rys.
Twórcy
autor
- Institute of Hydro-Engineering, Polish Academy of Sciences, ul. Koscierska 7, 80-328 Gdansk, Poland
Bibliografia
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- Belytschko T., Lu Y. Y. and Gu L. (1995) Crack propagation by element-free Galerkin methods, Eng. Fracture Mech., 51 (2), 295–315.
- Chadwick P. (1999) Continuum Mechanics: Concise Theory and Problems, Dover, Mineola, New York, 2nd edn.
- Dalrymple R. A. and Rogers B. D. (2006) Numerical modeling of water waves with the SPH method, Coastal Eng., 53 (2–3), 141–147, DOI: 10.1016/j.coastaleng.2005.10.004.
- Dingemans M. W. (1997) Water Wave Propagation over Uneven Bottoms, World Scientific, Singapore.
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- Li S. and Liu W. K. (2004) Meshfree Particle Methods, Springer, Berlin.
- Liu G. R. and Liu M. B. (2003) Smoothed Particle Hydrodynamics: A Meshfree Particle Method,World Scientific, Singapore.
- Lo E. Y. M. and Shao S. (2002) Simulation of near-shore solitary wave mechanics by an incompressible SPH method, Appl. Ocean Res., 24 (5), 275–286, DOI: 10.1016/S0141-1187(03)00002-6.
- Löhner R., Sacco C., Oňate E. and Idelsohn S. (2002) A finite point method for compressible flow, Int. J. Numer. Meth. Eng., 53 (8), 1765–1779.
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- Oňate E., Idelsohn S. R., Zienkiewicz O. C. and Taylor R. L. (1996a) A finite point method in computational mechanics. Applications to convective transport and fluid flow, Int. J. Numer. Meth. Eng., 39 (22), 3839–3866.
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- Staroszczyk R. (2009) A Lagrangian finite element analysis of gravity waves in water of variable depth, Arch. Hydro-Eng. Environ. Mech., 56 (1–2), 43–61.
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- Szmidt K. and Hedzielski B. (2007) On the transformation of long gravitational waves in a region of variable water depth: a comparison of theory and experiment, Arch. Hydro-Eng. Environ. Mech., 54 (2), 137–158.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-c9dbc85d-872e-4f0d-98e4-3372e5fbfff2