Elastic waves
Separation of the elastic waves’ system in pre-stretched bar devices
... However, a drawback of the proposed set up is that it generates a loosen tail. It starts in the current experiment at around 1.5 ms and it is highlighted in the force signal recorded at gauge G1 by red dotted lines (Fig. ...
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Reflection and transmission of elastic waves at viscous liquid/micropolar elastic solid interface
... seismic waves with a viscous liquid layer has been investigated by Fehler ...weak elastic waves and, in part, by the requirement for development of comprehensive, physically motivated theories of ...
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Phase velocities of elastic waves in swelling porous materials
... of elastic waves in the medium of swelling ...longitudinal waves and two trans- verse waves, propagating with distinct velocities which are ...
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On the generation of homogeneous, inhomogeneous and goodier bishop elastic waves from the geometrical ray theory
... homogeneous elastic media, considering the most general solution of the Helmholtz equation, which have not been shown in papers and standard texts, are ...in elastic waves such as scattering and ...
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The effect of rheology with gas bubbles on linear elastic waves in fluid-saturated granular media
... Elastic waves in fluid-saturated granular media depend on the grain rheology, which can be complicated by the presence of gas ...Frenkel-Biot waves of P1 ...
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Influence of Elastic Waves on Parallel Cylindrical Shells with Perfect Fluid
... plane elastic waves in many connected bodies is considered in fundamental ...infinite elastic body having n-cylindrical noncontacting parallel ...of waves on circular obstacles in a half-plane ...
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Lateral Damage Identification in RC Slabs by Several Tomographic Approaches with Rainy Induced Elastic Waves
... the elastic wave ray-trace algorithm considering all potential detours of elastic waves takes up much time, hereafter a straight line of P-wave propagation is assumed in the tomography analysis via ...
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Structural Health Monitoring of Industrial Piping Systems Based on Guided Elastic Waves
... using elastic waves for structural health monitoring (SHM) purposes two different approaches are possible, a passive and an active ...scattered waves from inside the structure or changes in acoustic ...
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On elastic waves in a medium with randomly distributed cylinders
... In a series of papers [i-4], Bose and Mal studied the problem of propagation of elastic waves in a medium consisting of randomly distributed cylinders and.. spheres in an elastic matrix.[r] ...
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The Surface Stresses on the Propagation of Elastic Waves
... of elastic solids with stress supporting boundaries is of recent ...in elastic solids with material boundary have drawn the attention for divising experiments for the determination of surface elastic ...
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Against Phase Veloсities of Elastic Waves in Thin Transversely Isotropic Cylindrical Shell
... Based on the use of the dynamic theory of the elasticity for the anisotropic medium and with the help of the hy- pothesis of thin shells, this paper is determined by the characteristic equation for wave numbers of ...
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A Contribution to the Theory of High Frequency Elastic Waves, with Applications to the Shadow Boundary of the Earth's Core
... The diffraction of P an d S waves by various obstacles is studied theoretically, in order to evaluate frequency dependent corrections to ray theory for elastic w[r] ...
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On elastic waves in an thinly layered laminated medium with stress couples under initial stress
... effects of hydrostatic, deviatoric and couple stresses upon the characteristic propagation velocities of shear and compression wave modes... [1] has indicated that some of the basic prop[r] ...
14
New Opportunities for NDT Using Non-Linear Interaction of Elastic Waves with Defects
... In damaged materials, the nonlinear response is provided by the Contact Acoustic Nonlinearity (CAN) [1]: strongly nonlinear local vibrations of defects due to mechanical constraint of their fragments, which efficiently ...
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Analysis of long compressional elastic waves in rods of arbitrary cross section and elastic wave fronts in plates and circular rods
... Long waves in elastic rOods of arbitrary cross section are studied by writing a general expansion of the exact solution for three dimensional linear elasticity. The solu[r] ...
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Propagation of elastic waves in DNA
... It has been found that DNA duplex in high salt concentration can exist either in a left handed conformation or in an overwound right handed C form of DNA depend-.. It is well known that [r] ...
15
Elastic waves in fractured rocks under periodic compression
... obtain elastic wave velocities in fractured pre-loaded medium, the effective elastic moduli were used obtained for the case of uniaxial compression, and alteration of wave char- acteristics of the ...
6
High-Frequency Calibration of Piezoelectric Displacement Sensors Using Elastic Waves Induced by Light Pressure
... In such an arrangement, waves reflected from the sides of the plate may reach the sensor as well: the earliest after about 8.0 μs and the others well after 9.0 μs. It was experimentally found that the first one, ...
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Characterization of Diffusion of Elastic Waves in Cortical Bone.
... assumption that the coherent and incoherent waves have the same intensity, allowing the simplification shown above. The final ratio above provides the enhancement factor, a value between 1 and 2, which can be used ...
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Experimental and Numerical Comparison the Velocity of Elastic Waves in Nanofibers Networks to Mechanical Characterization
... to measure the mechanical properties of fibers networks and anyone model to predict the elastic 626. properties using the propagation of the elastics wave theory.[r] ...
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