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shear wave (S-wave)

A new approach for the automatic detection of shear-wave splitting

A new approach for the automatic detection of shear-wave splitting

... Three flow charts depicted below aim to describe every single step of the Auto_SWS program introduced in this chapter. First of all, it is necessary to discuss briefly about the main flow of the shear wave ...

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Shear wave anisotropy beneath the Ryukyu arc

Shear wave anisotropy beneath the Ryukyu arc

... We used a cross-correlation method to detect the split- ting parameters (Ando et al., 1983). The horizontal seismo- grams were first band-pass filtered between 0.5 and 4.0 Hz, and the two horizontal seismograms were then ...

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Shear wave velocity structure of the Bushveld Complex, South Africa

Shear wave velocity structure of the Bushveld Complex, South Africa

... Rayleigh wave group velocities using locally and region- ally recorded seismic events, and then jointly inverting the group ve- locity measurements with high-frequency receiver ...Rayleigh wave group ...

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Piezoelectric Device for Measuring Shear Wave Velocity of Soils and Evaluation of Low and High Strain Shear Modulus

Piezoelectric Device for Measuring Shear Wave Velocity of Soils and Evaluation of Low and High Strain Shear Modulus

... of shear wave velocity and the slope of the resistance-log time curve (Lee et ...normalized shear-wave velocity to evaluate the in-situ state of cohesionless ...sands. Shear wave ...

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Prediction of Shear Wave Velocity Using  Artificial Neural Network Technique,  Multiple Regression and Petrophysical Data: A Case Study in Asmari Reservoir (SW Iran)

Prediction of Shear Wave Velocity Using Artificial Neural Network Technique, Multiple Regression and Petrophysical Data: A Case Study in Asmari Reservoir (SW Iran)

... [1]. Shear wave velocity is one of the most important parameters in exploratory studies of petroleum and gas industry which unfortunately hasn’t been measured in most wells due to high ...Since shear ...

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Estimation of Shear Wave Velocity Using Correlations

Estimation of Shear Wave Velocity Using Correlations

... Shear wave velocity can be directly measured in field through a number of geophysical methods such as seismic refraction, Spectral Analysis of surface Waves (SASW) or Multichannel Analysis of Surface Waves ...

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Behaviour of a shear-wave at a solid-smectic interface

Behaviour of a shear-wave at a solid-smectic interface

... Results of theoretical investigations into the behaviour of a shear wave at the boundary between an isotropic solid and a smectic A liquid crystal are presented. These results track the subsequent response ...

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Piezoelectric shear wave resonator and method of making same

Piezoelectric shear wave resonator and method of making same

... acoustic shear wave resonator comprising a piezoelectric film having its C-axis substantially inclined from the film normal such that the shear wave coupling coefficient significantly exceeds ...

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Near surface shear wave velocity in Bucharest, Romania

Near surface shear wave velocity in Bucharest, Romania

... surface shear-wave velocity (Vs) structure and to improve the available microzonations we conducted seismic refraction measurements in two parks of the ...clear shear-wave arrivals in a very ...

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Determination of shear wave velocity and shear modulus estimation of peat soil using seismic geophysical method

Determination of shear wave velocity and shear modulus estimation of peat soil using seismic geophysical method

... surface wave (MASW) method and seismic refraction method. The estimation of shear modulus is based on shear wave velocity and soil bulk density using the sampler with ...The shear ...

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Linear and nonlinear shear wave propagation in viscoelastic media

Linear and nonlinear shear wave propagation in viscoelastic media

... and wave length of shear waves in birefringent synthetic polymers, and uses the exact solution for a linear viscoelastic fluid undergoing periodic deformation in a semi-infinite domain to obtain formulas ...

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Finite-difference modelling to evaluate seismic P-wave and shear-wave field data

Finite-difference modelling to evaluate seismic P-wave and shear-wave field data

... LIAG shear-wave vibra- tor source MHV-4S has been able to generate clear reflec- tions at least as deep as 200 m in fluviatile and marine deposits (Polom et ...

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A probabilistic multiscale approach to hysteresis in shear wave propagation in biotissue

A probabilistic multiscale approach to hysteresis in shear wave propagation in biotissue

... the shear wave propagation through a heterogeneous chest ...consider shear wave propagation through a viscoelastic heterogeneous ...stenosis. Shear waves were measured with sensor ...

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Crustal Shear Wave Velocities Inferred From Love Wave Group Velocity Dispersion Between Mt. Merapi and Mt. Lawu, Central Java

Crustal Shear Wave Velocities Inferred From Love Wave Group Velocity Dispersion Between Mt. Merapi and Mt. Lawu, Central Java

... crustal shear wave model from this research, crustal structure beneath all station have value ...with shear wave velocity vary to each ...crustal shear wave velocity structure, ...

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Diagnostic value of two-dimensional shear wave elastography in papillary thyroid microcarcinoma

Diagnostic value of two-dimensional shear wave elastography in papillary thyroid microcarcinoma

... In our study, the SWE_mean was significantly higher in PTMC (46.6 ± 16.7 kPa) than in benign thyroid nodules (27.8 ± 12.4 kPa). The SWE_max and SWE_min were also significantly higher in malignant tumors (73.6 ± 18.1 and ...

7

Shear-Wave Dynamic Behavior using Two Different Orientations

Shear-Wave Dynamic Behavior using Two Different Orientations

... This is properly defined and remains well defined even for very complicated rays in laterally varying media. The modulus of the R-coefficients in both cases are of course, the same (see Figure 2b), but the ...

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The effect of ageing on shear wave elastography muscle stiffness in adults

The effect of ageing on shear wave elastography muscle stiffness in adults

... Aging Clinical and Experimental Research https://doi.org/10.1007/s40520-019-01139-0 ORIGINAL ARTICLE The effect of ageing on shear wave elastography muscle stiffness in adults Abdulrahma[r] ...

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Method of making a piezoelectric shear wave resonator

Method of making a piezoelectric shear wave resonator

... acoustic shear wave resonator comprising a piezoelectric film having its C-axis substantially inclined from the film normal such that the shear wave coupling coefficient significantly exceeds ...

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The accuracy of acoustic birefringence shear wave measurements in sheet metal

The accuracy of acoustic birefringence shear wave measurements in sheet metal

... the shear wave to be captured in the time domain, at the same ...polarized shear wave transducer, either piezoelectric or an EMAT, polarized at 45° to the rolling direction to capture the two ...

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Determination of Material Characteristics and Shear Wave Velocity of Volcanic Sediment Layer of Mount Samalas Using MASW Technique

Determination of Material Characteristics and Shear Wave Velocity of Volcanic Sediment Layer of Mount Samalas Using MASW Technique

... Currently, site characteristics are often specified by a single number, e.g. Vs30, S wave velocity up to 30 m from the surface. This number is well known as building codes [9 – 11] for classifying situ, knowing ...

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