Wave propagation
Concurrent Visualization of Acoustic Radiation Force Displacement and Shear Wave Propagation with 7T MRI.
... shear wave was then validated (Fig ...shear wave was no longer observed (Fig 7A(ii) and Fig 7A(iv)), indicating that the shear wave was produced by the ultrasound during the first MEG, propagated and ...
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Stress wave propagation in thin long-fiber carbon/epoxy composite panel. Numerical and experimental solutions
... The experimental and numerical solutions of the stress wave propagation problem in thin unidirectional long-fiber composite panel were obtained. Results of both approaches have been compared mutually and ...
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A biologically constrained, mathematical model of cortical wave propagation preceding seizure termination.
... traveling wave dynamics, and deduce parameter relation- ships that support wave ...traveling wave dynamics preceding seizure termination observed in a popu- lation of human subjects during ...
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Effect of viscosity on wave propagation in anisotropic thermoelastic medium with three-phase-lag model
... The aim of the present paper is to study the wave propagation in anisotropic viscoelastic medium in the context of the theory three- phase-lag model of thermoelasticity. It is found that there exist two ...
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Wave propagation in cellular locally resonant metamaterials
... Within this broad class, locally resonant acoustic metamaterials (LRAM) exhibit unusual dynamic behavior, with band gaps, i.e. regions where wave propagation is inhibited. Band gaps are also present in some ...
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Adaptive modelling of long-distance wave propagation and fine-scale flooding during the Tohoku tsunami
... errors: wave fronts and “breaking” waves in shallow water ...long-distance wave propagation and inundation we are interested ...adequate propagation of long- wave energy over large ...
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A new global model for the ionospheric F2 peak height for radio wave propagation
... Abstract. The F2-layer peak density height hmF2 is one of the most important ionospheric parameters characterizing HF propagation conditions. Therefore, the ability to model and predict the spatial and temporal ...
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A 2D ray-tracing based model for wave propagation through forests at micro-and millimeter wave frequencies
... the propagation phenomena in both indoor and outdoor urban ...the propagation model, include the number densities, size, and orientation statistics of branches and leaves, and the effective permittivity of ...
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Three-dimensional Problem of Wave Propagation in Elastic Layer
... The three-dimensional problem of wave’s propagation in an elastic layer is considered. On planes limiting a layer, the conditions of equality to zero of a normal stress, one of the tangent stresses and one of the ...
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Wave stress propagation in a rectangular FGM plate rest on winkler foundation
... microstructure that produces continuous or smooth change on thermal and mechanical properties at the macroscopic or continuum level [1,2]. Now, FGMs are developed for general use as structural components in extremely ...
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Lat. Am. j. solids struct. vol.9 número4
... coupled wave propagation in single-walled car- bon nanotubes (SWCNTs) is ...the wave dispersion analysis is also carried ...corresponding wave velocity tends to zero at those fre- quencies ...
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ON THE FORMULATION OF THE ELECTRO-ELASTICITY THEORY BOUNDARY VALUE PROBLEMS FOR ELECTRO-MAGNETO-ELASTIC COMPOSITES WITH INTERFACE ROUGHNESS
... phononic crystals, with a periodic array of strip-like interior or interface cracks. The transfer matrix method and the boundary integral equation method, in conjunction with the Bloch-Floquet theorem are applied to ...
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Critical investigation of calculation methods for the elastic velocities in anisotropic ice polycrystals
... Abstract. Crystallographic texture (or fabric) evolution with depth along ice cores can be evaluated using borehole sonic logging measurements. These measurements provide the ve- locities of elastic waves that depend on ...
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Mechanism of hermetic single-cell structure interfering with shaped charge jet
... This paper improves and perfects the theoretical model of jet penetrating a full-of-liquid single-cell structure. The theoretical results are in good agreement with the experimental results. The following findings were ...
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Nondestructive ultrasonic testing in rod structure with a novel numerical Laplace based wavelet finite element method
... the wave propagation in bar ...in wave propagation as well ultrasonic damage detection with high accuracy and small calculation ...ultrasonic wave propagation in rod structure ...
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The effect of subionospheric propagation on whistlers recorded by the DEMETER satellite – observation and modelling
... distinct propagation modes, allowed and ruled by this Earth-ionosphere waveguide (EIWG), appear out of necessity on spheric ...the wave propagation (Budden, 1961; Shvets and Hayakawa, 1998), yielding ...
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The problems at investigation of state of stress of thick orthotropic plate
... The analytical formulation of dispersion curves was used for obtaining of the state of stress of thick plate for arbitrary direction of wave propagation in orthotropic plate. We used the system for symbolic ...
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Lat. Am. j. solids struct. vol.11 número13
... the propagation behavior of shear waves in piezoelectric composite ...for propagation of wave in direction normal to layering and in direction of ...shear wave propagation has also been ...
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Mat. Res. vol.5 número1
... higher wave propagation speeds in conifers than in dicotyledons for samples with constant humidity contents, even with the predominance of appar- ently lower densities in conifers in relation to leafy ...
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Mat. Res. vol.11 número1
... The aim of this study was to assess the influence of ultrasonic wave propagation on the compressive (CS) and diametral tensile (DTS) strengths of glass ionomer cements (GICs). Three variables were ...
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