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International Journal of Fluid Mechanics Research
ESCI SJR: 0.22 SNIP: 0.446 CiteScore™: 0.5

ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110

Выпуски:
Том 46, 2019 Том 45, 2018 Том 44, 2017 Том 43, 2016 Том 42, 2015 Том 41, 2014 Том 40, 2013 Том 39, 2012 Том 38, 2011 Том 37, 2010 Том 36, 2009 Том 35, 2008 Том 34, 2007 Том 33, 2006 Том 32, 2005 Том 31, 2004 Том 30, 2003 Том 29, 2002 Том 28, 2001 Том 27, 2000 Том 26, 1999 Том 25, 1998 Том 24, 1997 Том 23, 1996 Том 22, 1995

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v28.i4.40
18 pages

Attenuation of the Symmetrical Wave Propagating in the Porous-Elastic Layer with Free Surfaces

N. S. Gorodetskaya
Institute of Hydromechanics of National Academy of Sciences of Ukraine 8/4, Zhelyabov St., 03680, Kyiv-180, MSP, Ukraine

Краткое описание

The dispersion characteristics of normal waves in porous-elastic layer with free surfaces are studied on the basis of the Biot theory both for open and closed pores. The analysis of the influence of dissipative effect, caused by the flow of the pore liquid relative to solid skeleton, on the dispersion spectrum was carried. It was discovered that the introduction of the above attenuation mechanism influences in varying manner the behavior of the "solid-like" and "fluid-like" waves. The "fluid-like" waves respond to the change of the parameters, describing the given kind of the dissipation, much stronger. The spectrum modification of the "solid-like" waves in a porous-elastic layer, if the attenuation is taken into account, in many respects is similar to that in the visco-elastic layer.


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