On the spectral analysis of love waves
Bojan B Guzina, Andrew I. Madyarov
Civil, Environmental, and Geo- Engineering
The focus of this study is an analytical and computational platform for shallow seismic profiling via the dispersion and attenuation analysis of Love surface waves. Although the Rayleigh waves are now commonly used as an engineering tool for nonintrusive identification of shallow subsurface stratigraphy, little attention has been paid so far to utilizing their horizontally polarized, Love-wave counterpart. The proposed methodology revolves around a causal viscoelastic model for the wave motion in a layered half-space caused by action of a surficial, torsionally vibrating disc. It is shown that the use of Love waves as a sounding tool reduces the number of material parameters relevant to viscoelastic site characterization by precluding the effect of Poisson's ratio and of the compressional-wave quality factor of each subterranean layer. For practical purposes, solution to the inverse problem is reduced to the minimization of a spectral misfit between experimental observations and theoretical predictions of the horizontally polarized surface ground motion. To maintain the rigor and computational effectiveness of the inverse solution, sensitivities of the viscoelastodynamic model with respect to relevant layer parameters are determined analytically. The Love-wave testing methodology for which this article establishes a necessary theoretical framework may be used either in a stand-alone fashion or as a complement to the (well-established) spectral analysis of Rayleigh waves. The proposed technique may be especially useful for (1) shallow surveying applications in which material dissipation is important and (2) accurate characterization of saturated layers in which vertically polarized waves find limited use owing to their sensitivity to the pore fluid.
Bulletin of the Seismological Society of America
https://doi.org/10.1785/0120040028
10.1785/0120040028
Fingerprint Dive into the research topics of 'On the spectral analysis of love waves'. Together they form a unique fingerprint.
Love waves Physics & Astronomy
Love wave Earth & Environmental Sciences
Spectrum analysis Chemical Compounds
spectrum analysis Physics & Astronomy
spectral analysis Earth & Environmental Sciences
Rayleigh waves Physics & Astronomy
stratigraphy Physics & Astronomy
Rayleigh wave Earth & Environmental Sciences
Guzina, B. B., & Madyarov, A. I. (2005). On the spectral analysis of love waves. Bulletin of the Seismological Society of America, 95(3), 1150-1169. https://doi.org/10.1785/0120040028
On the spectral analysis of love waves. / Guzina, Bojan B; Madyarov, Andrew I.
In: Bulletin of the Seismological Society of America, Vol. 95, No. 3, 01.06.2005, p. 1150-1169.
Guzina, BB & Madyarov, AI 2005, 'On the spectral analysis of love waves', Bulletin of the Seismological Society of America, vol. 95, no. 3, pp. 1150-1169. https://doi.org/10.1785/0120040028
Guzina BB, Madyarov AI. On the spectral analysis of love waves. Bulletin of the Seismological Society of America. 2005 Jun 1;95(3):1150-1169. https://doi.org/10.1785/0120040028
Guzina, Bojan B ; Madyarov, Andrew I. / On the spectral analysis of love waves. In: Bulletin of the Seismological Society of America. 2005 ; Vol. 95, No. 3. pp. 1150-1169.
@article{54159301111643818d666d602d26eaa7,
title = "On the spectral analysis of love waves",
abstract = "The focus of this study is an analytical and computational platform for shallow seismic profiling via the dispersion and attenuation analysis of Love surface waves. Although the Rayleigh waves are now commonly used as an engineering tool for nonintrusive identification of shallow subsurface stratigraphy, little attention has been paid so far to utilizing their horizontally polarized, Love-wave counterpart. The proposed methodology revolves around a causal viscoelastic model for the wave motion in a layered half-space caused by action of a surficial, torsionally vibrating disc. It is shown that the use of Love waves as a sounding tool reduces the number of material parameters relevant to viscoelastic site characterization by precluding the effect of Poisson's ratio and of the compressional-wave quality factor of each subterranean layer. For practical purposes, solution to the inverse problem is reduced to the minimization of a spectral misfit between experimental observations and theoretical predictions of the horizontally polarized surface ground motion. To maintain the rigor and computational effectiveness of the inverse solution, sensitivities of the viscoelastodynamic model with respect to relevant layer parameters are determined analytically. The Love-wave testing methodology for which this article establishes a necessary theoretical framework may be used either in a stand-alone fashion or as a complement to the (well-established) spectral analysis of Rayleigh waves. The proposed technique may be especially useful for (1) shallow surveying applications in which material dissipation is important and (2) accurate characterization of saturated layers in which vertically polarized waves find limited use owing to their sensitivity to the pore fluid.",
author = "Guzina, {Bojan B} and Madyarov, {Andrew I.}",
doi = "10.1785/0120040028",
journal = "Bulletin of the Seismological Society of America",
publisher = "Seismological Society of America",
T1 - On the spectral analysis of love waves
AU - Guzina, Bojan B
AU - Madyarov, Andrew I.
N2 - The focus of this study is an analytical and computational platform for shallow seismic profiling via the dispersion and attenuation analysis of Love surface waves. Although the Rayleigh waves are now commonly used as an engineering tool for nonintrusive identification of shallow subsurface stratigraphy, little attention has been paid so far to utilizing their horizontally polarized, Love-wave counterpart. The proposed methodology revolves around a causal viscoelastic model for the wave motion in a layered half-space caused by action of a surficial, torsionally vibrating disc. It is shown that the use of Love waves as a sounding tool reduces the number of material parameters relevant to viscoelastic site characterization by precluding the effect of Poisson's ratio and of the compressional-wave quality factor of each subterranean layer. For practical purposes, solution to the inverse problem is reduced to the minimization of a spectral misfit between experimental observations and theoretical predictions of the horizontally polarized surface ground motion. To maintain the rigor and computational effectiveness of the inverse solution, sensitivities of the viscoelastodynamic model with respect to relevant layer parameters are determined analytically. The Love-wave testing methodology for which this article establishes a necessary theoretical framework may be used either in a stand-alone fashion or as a complement to the (well-established) spectral analysis of Rayleigh waves. The proposed technique may be especially useful for (1) shallow surveying applications in which material dissipation is important and (2) accurate characterization of saturated layers in which vertically polarized waves find limited use owing to their sensitivity to the pore fluid.
AB - The focus of this study is an analytical and computational platform for shallow seismic profiling via the dispersion and attenuation analysis of Love surface waves. Although the Rayleigh waves are now commonly used as an engineering tool for nonintrusive identification of shallow subsurface stratigraphy, little attention has been paid so far to utilizing their horizontally polarized, Love-wave counterpart. The proposed methodology revolves around a causal viscoelastic model for the wave motion in a layered half-space caused by action of a surficial, torsionally vibrating disc. It is shown that the use of Love waves as a sounding tool reduces the number of material parameters relevant to viscoelastic site characterization by precluding the effect of Poisson's ratio and of the compressional-wave quality factor of each subterranean layer. For practical purposes, solution to the inverse problem is reduced to the minimization of a spectral misfit between experimental observations and theoretical predictions of the horizontally polarized surface ground motion. To maintain the rigor and computational effectiveness of the inverse solution, sensitivities of the viscoelastodynamic model with respect to relevant layer parameters are determined analytically. The Love-wave testing methodology for which this article establishes a necessary theoretical framework may be used either in a stand-alone fashion or as a complement to the (well-established) spectral analysis of Rayleigh waves. The proposed technique may be especially useful for (1) shallow surveying applications in which material dissipation is important and (2) accurate characterization of saturated layers in which vertically polarized waves find limited use owing to their sensitivity to the pore fluid.
U2 - 10.1785/0120040028
DO - 10.1785/0120040028
JO - Bulletin of the Seismological Society of America
JF - Bulletin of the Seismological Society of America