Long wavelength propagation of elastic waves in three-dimensional periodic solid-solid media

2007 ◽  
Vol 101 (7) ◽  
pp. 073515 ◽  
Author(s):  
Qing Ni ◽  
Jianchun Cheng
Keyword(s):  
Elastic Waves ◽  
Three Dimensional ◽  
Long Wavelength ◽  
Solid Media ◽  
Propagation Of Elastic Waves

scholarly journals О разрушении упругих полимерных материалов под воздействием электронного пучка

2021 ◽  
Vol 91 (11) ◽  
pp. 1655
Author(s):  
М.И. Гуревич ◽  
Е.Д. Казаков ◽  
Ю.Г. Калинин ◽  
А.А. Курило ◽  
О.В. Тельковская ◽  
...  
Keyword(s):  
Shock Wave ◽  
Electron Beam ◽  
Elastic Waves ◽  
Three Dimensional ◽  
Isotropic Model ◽  
General Picture ◽  
Longitudinal Size ◽  
Brittle Polymers ◽  
Propagation Of Elastic Waves ◽  
Powerful Electron

An explanation for a feature found in several experiments in the general picture of the destruction of non-brittle polymers under the influence of a shock wave initiated by a powerful electron beam is proposed. The distance of the cracking region from the surface of the material affected by the beam to a finite length in depth is associated with the three-dimensional nature of the propagation of elastic waves. The universality of the effect is demonstrated by the simplest isotropic model, which shows that large tensile stresses are effectively generated inside the target at its sufficiently large transverse and longitudinal size, even without taking into account nonlinear and shear processes.

scholarly journals Propagation of Elastic Waves in Prestressed Media

2010 ◽  
Vol 2010 ◽  
pp. 1-11 ◽  
Author(s):  
Inder Singh ◽  
Dinesh Kumar Madan ◽  
Manish Gupta
Keyword(s):  
Elastic Waves ◽  
Plane Waves ◽  
Dynamical Equations ◽  
P Waves ◽  
General Solutions ◽  
External Forces ◽  
Propagation Of Elastic Waves

3D solutions of the dynamical equations in the presence of external forces are derived for a homogeneous, prestressed medium. 2D plane waves solutions are obtained from general solutions and show that there exist two types of plane waves, namely, quasi-P waves and quasi-SV waves. Expressions for slowness surfaces and apparent velocities for these waves are derived analytically as well as numerically and represented graphically.

Parametrization of the Propagation of Elastic Waves in a Medium with Ensembles of Disc-Shaped Inclusions

2018 ◽  
Vol 54 (1) ◽  
pp. 130-137 ◽  
Author(s):  
V. V. Mykhas’kiv ◽  
Ya. І. Kunets’ ◽  
V. V. Маtus ◽  
О. V. Burchak ◽  
О. К. Balalaev
Keyword(s):  
Elastic Waves ◽  
Propagation Of Elastic Waves
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