نتایج جستجو برای: sh waves
تعداد نتایج: 125794 فیلتر نتایج به سال:
Abstract In this paper, we analyse how the combination of fault zone shape and material properties affects propagation seismic waves in a two-dimensional domain. We focus on SH wave through several faults with different thicknesses bending radii, but theory is easily generalized to three-dimensional case. show density energy released mostly function radius does not depend velocity inside zone.
The acoustoelastic technique for the nondestructive evaluation of stress is based on the stress-induced changes in the speed of wave propagation. In the application of acoustoelasticity. three different approaches have been adopted. For the sake of discussion. we will consider the case of a plane state of stress in an initially isotropic material. The most common technique uses shear waves prop...
A study is made of the generation of SH-type wves at the free surface of a layered anlsotroplc elastic medium due to an impulsive stress discontinuity moving with uniform velocity along the interface of the layered medium. The exact solution for the displacement function is obtained by the Laplace and Fourier transforms combined with the modified Cagnlard method. The numerical results for an im...
Electromagnetic acoustic transducers (EMATs) are well suited to generating and detecting a variety of different ultrasonic wavemodes, without the need for couplant, they can be operated through some coatings. EMATs used generate shear horizontal (SH) waves, which show promise fast screening wall thinning other defects. However, commercial SH-wave not suitable robotic implementation on ferritic ...
We study experimentally and numerically the dynamics of a recently found topological phase transition for discrete quadratic solitons with linearly coupled SH waves. We find that, although no stationary states are excited in the experimental situation, the generic feature of the phase transition of the SH is preserved. By utilizing simulations of the coupled mode equations we identify the compl...
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