Schemes in generalized finite differences for seismic wave propagation in Kelvin–Voight viscoelastic media
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2018.06.017
Abstract: Abstract Seismic wave propagation in homogeneous and isotropic Kelvin–Voight viscoelastic media is dealt with the meshless generalized finite difference method. The schemes in generalized finite differences for the decoupled system P-SV and SH are obtained.… read more here.
Keywords: generalized finite; wave propagation; seismic wave; viscoelastic media ... See more keywords
Computer simulations of a viscoelastic media heating by standing cylindrical ultrasound waves
Sign Up to like & getrecommendations! Published in 2020 at "Ferroelectrics"
DOI: 10.1080/00150193.2020.1736916
Abstract: Abstract This work is devoted to computer simulations of a viscoelastic media heating by standing cylindrical ultrasonic waves generated inside a cylindrical piezoelectric transducer with radial polarization. The transducer is assumed to operate on wall-thickness… read more here.
Keywords: heating standing; computer simulations; simulations viscoelastic; standing cylindrical ... See more keywords
A constant-Q model for general viscoelastic media
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Journal International"
DOI: 10.1093/gji/ggz387
Abstract: When seismic waves propagate through viscoelastic media, the viscoelastic response can be presented as a fractional-order derivative of the strain. This fractional order $\beta $ controlling the degree of viscoelasticity of subsurface media is referred… read more here.
Keywords: beta; viscoelastic parameter; model; viscoelastic media ... See more keywords
Complete-Q Model for Poro-Viscoelastic Media in Subsurface Sensing: Large-Scale Simulation With an Adaptive DG Algorithm
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2019.2891691
Abstract: In this paper, full mechanisms of dissipation and dispersion in poro-viscoelastic media are accurately simulated in time domain. Specifically, four Q values are first proposed to depict a poro-viscoelastic medium: two for the attenuation of… read more here.
Keywords: viscoelastic media; subsurface sensing; large scale; algorithm ... See more keywords
Characterization of Viscoelastic Media Combining Ultrasound and Magnetic-Force Induced Vibrations on an Embedded Soft Magnetic Sphere
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2021.3097883
Abstract: We report a method to locally assess the complex shear modulus of a viscoelastic medium. The proposed approach is based on the application of a magnetic force to a millimeter-sized steel sphere embedded in the… read more here.
Keywords: viscoelastic media; force; characterization viscoelastic; media combining ... See more keywords
Amplitude variation with incident angle inversion for Q-factors in viscoelastic media: A case study
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DOI: 10.1190/geo2018-0566.1
Abstract: At an interface separating two viscoelastic media, the variation of the reflection coefficient with the incident angle is associated with the quality factors ([Formula: see text]-factors) of both media; this sets up a theoretical foundation… read more here.
Keywords: inversion; viscoelastic media; incident angle; variation ... See more keywords
Impact of Surface Changes and Microbial Adhesion on Mucosal Surface Finishing of Resin Denture Bases by Shot Blast Polishing Using Viscoelastic Media
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DOI: 10.3390/ma15062275
Abstract: Surface changes and microbiological effects following shot blast polishing with viscoelastic media of the mucosal surface of resin denture bases were examined. Average surface roughness (Ra) and the depth of surface removal of specimens were… read more here.
Keywords: viscoelastic media; blast polishing; surface; mucosal surface ... See more keywords