Complete solutions of three-dimensional problems in transversely isotropic media
Sign Up to like & getrecommendations! Published in 2018 at "Continuum Mechanics and Thermodynamics"
DOI: 10.1007/s00161-018-0733-8
Abstract: We present a systematic approach to the derivation of complete solutions for three-dimensional transversely isotropic elastic problems. The class of solutions derived in the paper is obtained by exploiting the entire kernel of the differential… read more here.
Keywords: three dimensional; isotropic media; dimensional problems; solutions three ... See more keywords
Fresnel Coefficients of Forward and Backward Waves Refracting at the Interface of Isotropic Media
Sign Up to like & getrecommendations! Published in 2017 at "Russian Physics Journal"
DOI: 10.1007/s11182-017-0922-0
Abstract: The Fresnel coefficients are derived for cross- and co-polarization states of plane electromagnetic wave incident at the interface between two isotropic media. The media can support forward or backward normal waves. Based on introduction of… read more here.
Keywords: fresnel coefficients; interface; isotropic media; forward backward ... See more keywords
Linearized scattering problem in acoustic transversely isotropic media with a vertical symmetry axis
Sign Up to like & getrecommendations! Published in 2021 at "Wave Motion"
DOI: 10.1016/j.wavemoti.2021.102753
Abstract: Abstract The ray-based generalized Radon transform (GRT) inversion/migration strategy is studied in this paper for acoustic transversely isotropic media with a vertical symmetry axis (VTI media) represented by the P-wave normal moveout velocity, Thomsen parameter… read more here.
Keywords: vertical symmetry; symmetry axis; isotropic media; transversely isotropic ... See more keywords
Omnidirectional excitation of surface waves and super-Klein tunneling at the interface between two different bi-isotropic media
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.165428
Abstract: We study theoretically some unique characteristics of surface electromagnetic waves excited at the interface between two different kinds of general bi-isotropic media, which include Tellegen media and chiral media as special cases. We derive an… read more here.
Keywords: super klein; isotropic media; interface two; two different ... See more keywords
Estimation of Brittleness and Anisotropy Parameters in Transversely Isotropic Media With Vertical Axis of Symmetry
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3073162
Abstract: In the absence of fracture, the strata with horizontal interbedding structure can be approximately equivalent to transversely isotropic media with vertical axis of symmetry (VTI) in the sedimentary basin. Accurate estimation of Young’s modulus, Poisson’s… read more here.
Keywords: media vertical; isotropic media; brittleness; transversely isotropic ... See more keywords
Bayesian Deterministic Inversion Based on the Exact Reflection Coefficients Equations of Transversely Isotropic Media With a Vertical Symmetry Axis
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3176628
Abstract: Unconventional reservoirs usually have strong anisotropy. Generally, they can be regarded as transversely isotropic media with a vertical symmetry axis [(VTI) media] in the absence of fractures. Therefore, it is of great significance to develop… read more here.
Keywords: media vertical; vertical symmetry; inversion; transversely isotropic ... See more keywords
Weak‐anisotropy approximation for P‐wave reflection coefficient at the boundary between two tilted transversely isotropic media
Sign Up to like & getrecommendations! Published in 2017 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12436
Abstract: ABSTRACT Existing and commonly used in industry nowadays, closed‐form approximations for a P‐wave reflection coefficient in transversely isotropic media are restricted to cases of a vertical and a horizontal transverse isotropy. However, field observations confirm… read more here.
Keywords: isotropic media; reflection coefficient; reflection; transversely isotropic ... See more keywords
Multi‐parameter reflection waveform inversion for acoustic transversely isotropic media with a vertical symmetry axis
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12966
Abstract: ABSTRACT Full waveform inversion in transversely isotropic media with a vertical symmetry axis provides an opportunity to better match the data at the near and far offsets. However, multi‐parameter full waveform inversion, in general, suffers… read more here.
Keywords: isotropic media; inversion; media vertical; transversely isotropic ... See more keywords
New acoustic approximation for transversely isotropic media with a vertical symmetry axis
Sign Up to like & getrecommendations! Published in 2019 at "Geophysics"
DOI: 10.1190/geo2019-0100.1
Abstract: 1 New acoustic approximation for the transversely isotropic media with a vertical symmetry axis Shibo Xu, Alexey Stovas, Tariq Alkhalifah and Hitoshi Mikada Department of Civil and Earth Resources Engineering, Kyoto University, C1-1-111 Kyotodaigaku-Katsura, Nishikyo-ku,… read more here.
Keywords: isotropic media; media vertical; acoustic approximation; transversely isotropic ... See more keywords
Large-offset P-wave traveltime in layered transversely isotropic media
Sign Up to like & getrecommendations! Published in 2021 at "Geophysics"
DOI: 10.1190/geo2020-0415.1
Abstract: Large-offset seismic data processing, imaging, and velocity estimation require an accurate traveltime approximation over a wide range of offsets. In layered transversely isotropic media with a vertical symmetry axis, the accuracy of traditional traveltime approximations… read more here.
Keywords: velocity; isotropic media; transversely isotropic; layered transversely ... See more keywords
Approximations for traveltime, slope, curvature, and geometrical spreading of elastic waves in layered transversely isotropic media
Sign Up to like & getrecommendations! Published in 2021 at "GEOPHYSICS"
DOI: 10.1190/geo2021-0215.1
Abstract: Each seismic body wave, including quasi compressional, shear, and converted wave modes, carries useful subsurface information. For processing, imaging, amplitude analysis, and forward modeling of each wave mode, we need approximate equations of traveltime, slope… read more here.
Keywords: isotropic media; layered transversely; curvature; geometrical spreading ... See more keywords