shear wave


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shear wave

A seismic body wave that shakes the ground perpendicularly to the direction in which the wave is moving.
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In this case, the shear wave velocity difference correlated well with shear stress during the four point bending test.
Those patients are then brought back for handheld ultrasound with elastography, both strain and shear wave.
This method is commonly used to determine compression and shear wave velocity versus depth.
Soil types are chosen between soft to hard soils within the range of 160 to 800 (m/s) of shear wave velocity of soil.
Experimental data of the acoustic method Sample Test direction Contact spacing, mm Fresh sample of oil shale horizontal bedding 195 vertical bedding 60 Weathered sample of oil shale horizontal bedding 16 vertical bedding 7 Fresh sample of ore horizontal bedding 675 vertical bedding 125 Sample Velocity of Velocity of longitudinal shear wave, wave, m/s m/s Fresh sample of oil shale 2550 1229 1629 852 Weathered sample of oil shale 1561 821 500 276 Fresh sample of ore 2894 1580 1462 812 Table 2.
In a second study conducted in 30 volunteers, shear wave propagation was measured.
The topics include observing the magnetic Compton profile of the interface-controlled cobalt/palladium multilayer, adsorption and sensitizing properties of azobenzenes having different numbers of silhyl-anchor groups in dye-sensitized solar cells, random-access multilevel storage in phase change memory by staircase-like pulse programming, a simulator to apply a shear wave velocity measurement system to arbitrary tissue elasticity distribution, the model feedback control system for a class of non-minimum phase systems, and a dicode signaling scheme for capacitively coupled interfaces.
Earthquakes generate various kinds of waves; one type has a back-and-forth motion and is called a shear wave, or S-wave.
The transducer range has also been improved and extended to include shear wave transducers for testing Poisson's ratio and modulus of elasticity, exponential transducers for rough surfaces and higher frequency transducers up to 500 kHz for rock and ceramics testing.
s] in the soil is generally decoupled using a Helmholtz decomposition, which results in a set of uncoupled partial differential equations representing the longitudinal and shear wave propagation.
Then the focus turns to Portland concrete pavement, and such aspects as physical properties of rapid-setting concrete using ultra-fine fly ash, repairing longitudinal joints and cracks, and estimating the compression strength of concrete using shear wave velocity.
the group velocity is less than the shear wave velocity in the upper mantle.