• No results found

elastic wave propagation theory

Elastic Wave Propagation

Elastic Wave Propagation

... years, elastic waves transmitted through the human body have been used for medical diagnosis and ...the theory of wave propa- gation in elastic materials in a form suitable for a one-semester ...

385

Wave  propagation in a sandwiched layer of transversely isotropic magnetothermoelastic with elastic solids

Wave propagation in a sandwiched layer of transversely isotropic magnetothermoelastic with elastic solids

... We notice that for GN Type-II, initially the values of lie on the boundary surface but as approaches , a sudden jump in the variations is noticed similar to Dirac delta function and when moves away i.e. farther from , ...

18

Thermoelastic wave propagation in a rotating elastic medium
without energy dissipation

Thermoelastic wave propagation in a rotating elastic medium without energy dissipation

... magnetothermoelastic wave propagation in a nonro- tating medium is receiving considerable attention in recent ...classical theory of thermoelasticity is based on Fourier’s law which predicts an ...

9

Elastic Wave Propagation in Composites and Least-squares Damage Localization Technique

Elastic Wave Propagation in Composites and Least-squares Damage Localization Technique

... analyzing elastic waves in a plate, and then dispersion curves of both phase and group velocities are verified from experiments in comparison with theoretical ...dispersive wave to extract the ...

156

Wave propagation in a transversely isotropic microstretch elastic solid

Wave propagation in a transversely isotropic microstretch elastic solid

... In elastic vibrations of high frequencies (20 kHZ- 1000 kHZ) and small wavelengths, the effect of the microstructure in a body becomes ...micropolar theory as a basis for the design of experimental setups ...

10

Simple Waves characterizing wave propagation in a nonlinear elastic medium

Simple Waves characterizing wave propagation in a nonlinear elastic medium

... In this study, we have found a very impotant fact such that the propagation of nonlinear waves is fundamentally gov- erned by the theory of Simple Waves. Even oscillatory com- plex waves can be analyzed as ...

5

Measurement of third-order elastic constants and stress dependent coefficients for steels

Measurement of third-order elastic constants and stress dependent coefficients for steels

... the theory and measurement of the third-order elastic constants of practical materials was published by Hughes and Kelly ...third-order elastic constants of the single crystals like KCl , Cu etc by ...

7

Wave Propagation Approach to Fluid Filled Submerged Visco-Elastic Finite Cylindrical Shells

Wave Propagation Approach to Fluid Filled Submerged Visco-Elastic Finite Cylindrical Shells

... Vibration and damping characteristics of cylindri- cal shells including viscoelastic materials have been in- vestigated by numerous researchers using many dier- ent analytical andor numerical approaches. Perhaps, Edward ...

11

Towards a Mathematical Model for Elastic Wave  Propagation in Granular Materials

Towards a Mathematical Model for Elastic Wave Propagation in Granular Materials

... implying preferred force paths, have served as empirical argument against an isotropic continuum description of granular matter [3,4]. Nonetheless, recent findings on the stress distribution response to local and global ...

8

Critical investigation of calculation methods for the elastic velocities in anisotropic ice polycrystals

Critical investigation of calculation methods for the elastic velocities in anisotropic ice polycrystals

... of elastic waves that depend on the ice polycrystal anisotropy, and they can further be related to the ice tex- ...so, elastic velocities need to be inverted from a modeling approach that relate ...

8

Propagation characteristic of laser generated visco elastic Rayleigh like waves in stratified half space

Propagation characteristic of laser generated visco elastic Rayleigh like waves in stratified half space

... the propagation characteristics of visco- elastic, Rayleigh-like waves generated by a laser pulse are analyzed ...visco- elastic theory and regarded the visco-elastic media as a Kelvin ...

13

Radial Vibration of Wave Propagation in an Elastic Medium of a non-Homogeneous Orthotropic Material Under Influence of Rotation

Radial Vibration of Wave Propagation in an Elastic Medium of a non-Homogeneous Orthotropic Material Under Influence of Rotation

... of elastic hollow inhomogeneous cylinders of corrugated elliptic ...non-homogeneous elastic ax- symmetric problem. Ersalan [21], studied the elastic-plastic deformations of rotating variable ...

8

Experimental and Numerical Comparison the Velocity of Elastic Waves in Nanofibers Networks to Mechanical Characterization

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] ...

14

Effect of Imperfect Interface Between Fluid Saturated Porous Solid and Micropolar Elastic Solid on Wave Propagation

Effect of Imperfect Interface Between Fluid Saturated Porous Solid and Micropolar Elastic Solid on Wave Propagation

... micropolar theory of elasticity constructed by Eringen and his co-workers intended to be applied on such materials and for problems where the ordinary theory of elasticity fails because of microstructure in ...

9

Elastic wave propagation in confined granular systems

Elastic wave propagation in confined granular systems

... acoustic wave propagation in confined granular systems consisting of particles interacting with the three-dimensional Hertz-Mindlin force ...coherent wave front followed by random oscillations made ...

18

High frequency wave propagation in the earth: theory and observation

High frequency wave propagation in the earth: theory and observation

... The wave -theoretical analysis of acoustic and elastic waves refracted by a spherical boundary across which both velocity and density increase abruptly and thence either increase or decr[r] ...

398

Analysis of Wave Propagation at an Imperfect Boundary between Micropolar Elastic Solid and Micropolar Porous Elastic Solid

Analysis of Wave Propagation at an Imperfect Boundary between Micropolar Elastic Solid and Micropolar Porous Elastic Solid

... linear elastic material with voids. The linear theory of elastic material with voids is a special class of the nonlinear theory in which the change in void volume fraction and the strain are ...

18

The Influence of Crack Modes on the Elastic Wave Propagation Characteristics in a Non-uniform Rotating Shaft

The Influence of Crack Modes on the Elastic Wave Propagation Characteristics in a Non-uniform Rotating Shaft

... the propagation characteristics of which are affected by the geometrical dimensions of the shaft, the rotating speed, as well as the transverse ...cracks. Wave-based damage detection techniques are employed ...

18

Elastic waves in fractured rocks under periodic compression

Elastic waves in fractured rocks under periodic compression

... characterize wave propagation in the media with period- ically distributed elastic characteristics, a method could be used developed in works Sanchez-Palencia (1980); Chen and Fish (2000); Andrianov ...

6

Finite Element Analysis with Paraxial & Viscous Boundary Conditions for Elastic Wave Propagation

Finite Element Analysis with Paraxial & Viscous Boundary Conditions for Elastic Wave Propagation

... Wave reflections caused by a free boundary are clearly seen in Figure 9, while the viscous and paraxial bounda- ries largely succeed in eliminating these reflections. Aslo, since the waves induced by a dynamic ...

7

Show all 10000 documents...

Related subjects