elastic waves in solids pdf

Ngày tải lên: 13/05/2014, 09:18

... computational domain as defined in equation (21). The spatial and temporal increments are 25xyz     m and 3 1.0 10t    sec, respectively, resulting in 3.3 grid points per minimum wavelength ... In other words, when determining these high-order spatial derivatives included in equation (8) or equation (9), the RK method uses not only the values ( a ) (b) (c) Waves in Fluids and Solids ... spatial and time increments, where three lines of E r for the second-order FD method (line —), the fourth-order LWC (line - - - -), and the RK (line ) are shown in a semi-log scale. In these figures,...

Ngày tải lên: 19/06/2014, 12:20

Ngày tải lên: 19/06/2014, 12:20

Ngày tải lên: 26/06/2014, 23:20

... Chapter 10 Acoustic Waves in Bubbly Soft Media 257 Bin Liang, Ying Yuan, Xin-ye Zou and Jian-chun Cheng Chapter 11 Inverse Scattering in the Low-Frequency Region by Using Acoustic Point Sources 293 ... 2011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Waves in Fluids and Solids, ... viewpoints. Shear waves (S-wave) are essential in the field of seafloor geotechnical applications as they propagate in solids. More specifically interface waves and the use of the interface waves...

Ngày tải lên: 19/06/2014, 12:20

... (Stovas&Ursin, 2007). Acoustic Waves in Layered Media - From Theory to Seismic Applications 25  1 2 2 2 2 2 Im cos sin sin sin sin cos Im sin Im 1 1sin 1 sin sin sin sin cos Im sin sin 1 i D i D ... intermediate root defines the critical point 2 C on the lower branch of the curve (123). The minimum point 1 A (dividing the triplication domain 1 and 2) is also Waves in Fluids and Solids 30 0 ...   2 2 12 12 1 2 12 2 2 2 2 12 12 1 2 12 2 2 2 2 21 Re cos sin sin cos cos sin sin 11 21 Im sin cos sin sin cos cos sin 11 2sin 1 rr a rr rr a rr r b r            ...

Ngày tải lên: 19/06/2014, 12:20

... SH waves in a single-layered (infinite) plate with different types of boundary conditions by considering a two-layered plate and taking limits in material properties of one of the contacting ... Lamb waves traveling with the phase speed satisfying condition (1.1), need in a small amount of energy needed for excitation. Indeed, the specific kinetic energy is determined by the following ... monoclinic symmetry of the elasticity tensor, meaning that the elasticity tensor contains 13 independent decomposable components. At violating conditions (A) or (B), the amplitudes of partial waves...

Ngày tải lên: 19/06/2014, 12:20

... Waves in Fluids and Solids 66 Gogoladze V.G. Dispersion of Rayleigh Waves in a Layer (in Russian), Publ. Inst. Seism. Acad. Sci. U.R.S.S. 119 (1947) 27 – 38. Graff K. F. Wave Motion in Elastic ... symmetric waves in elastic rods, J. Appl. Mech., 27 (1960) 145 – 151. Mindlin R.D. and Medick M.A. Extensional vibrations of elastic plates, J. Appl. Mech., 26 (1959) 561 – 569. Mindlin R.D. ... Mech., (1958) 225. Mindlin R.D. Waves and vibrations in isotropic, elastic plates. In Structural Mechanics (Editors J.N. Goodier and N. Hoff). (1960) 199 – 232. Mindlin R.D. and McNiven H.D....

Ngày tải lên: 19/06/2014, 12:20

... observed in the Raman and Brillouin scattering spectra (Hehlen et al., 2000; Rufflé et al., 2006) and in inelastic neutron scattering experiments (Buchenau et al., 1984) as maxima in the frequency ... and shows obtained results in corresponding windows of the program interface (a program is made in a Borland C++ Builder medium and provides automatic transfer of main results into Excel worksheet). ... J. Šafárik University, Košice 2 B.I.Verkin Institute for Low Temperature Physics and Engineering NASU, Kharkov 1 Slovakia 2 Ukraine 1. Introduction In recent years, the quasi-particle spectra...

Ngày tải lên: 19/06/2014, 12:20

... the elastic energy alone and we can neglect the plastic strain contribution. Up to linear order, the strain 133 Multiple Scattering of Elastic Waves in Granular Media: Theory and Experiments Waves ... have to introduce several concepts that are unknown in the classical theory of linear elastic waves in homogeneous solids. After a presentation of the Jiang–Liu model for nonlinear granular elasticity, ... This opens the possibility to engineer a novel and useful method for investigating the complex response 128 Waves in Fluids and Solids Waves in Fluids and Solids 116 Kr matrix behaves almost...

Ngày tải lên: 19/06/2014, 12:20

... z-coordinate, which in terms of 147 Multiple Scattering of Elastic Waves in Granular Media: Theory and Experiments Waves in Fluids and Solids 154 2. Acoustic and elastic waves Acoustic waves ... (1990). As the starting point, we take the Laplace transform of 139 Multiple Scattering of Elastic Waves in Granular Media: Theory and Experiments Waves in Fluids and Solids 162 infinite water depth. ... Theory of Elasticity, Butterworth-Heinemann, Oxford, ISBN-10: 075062633X 151 Multiple Scattering of Elastic Waves in Granular Media: Theory and Experiments Multiple Scattering of Elastic Waves in Granular...

Ngày tải lên: 19/06/2014, 12:20

... of interface waves are discussed. The techniques for using interface waves to estimate the seabed geoacoustic parameters are introduced and discussed including signal processing for extracting ... and direct waves. In the right panel the raw data have been low pass filtered, which brings out the interface waves. In this case the interface waves appear in the 1.0 - 2.5 s time interval illustrated ... and the ordinates are the cyclic frequencies (rad ⋅s -1 ); the solid lines indicate longitudinal waves and the dashed lines indicate transverse waves. Fig. 5 (a) corresponds to the initial (unfilled)...

Ngày tải lên: 19/06/2014, 12:20

... Waves in Fluids and Solids 200 vibrating molecules. The standing waves are induced in each globule of the crystal. The pulsating modes arising in the PNC globules are ... kinds of non -elastic scattering in medium, e.g., the Raman scattering, the Brillouin scattering, the Bragg scattering etc. In the case of Raman scattering the oscillatory quanta corresponding ... incident radiation intensity. In the case of missing the mirror 4 (see Fig. 23), the spectrum would contain only the pattern of single rings caused by the SGS only, as in this case the incident radiation...

Ngày tải lên: 19/06/2014, 12:20

Ngày tải lên: 19/06/2014, 12:20

Ngày tải lên: 19/06/2014, 12:20

Ngày tải lên: 19/06/2014, 12:20

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 21/06/2014, 20:20