Noise generation in the solid Earth, oceans, and atmosphere, from non-linear interacting surface gravity waves in finite depth [PDF]
, 2012 Oceanic pressure measurements, even in very deep water, and atmospheric pressure or seismic records, from anywhere on Earth, contain noise with dominant periods between 3 and 10 seconds, that is believed to be excited by ocean surface gravity waves. Most
Ardhuin, Fabrice, Herbers, Thomas H. C.
core +4 more sources
Rayleigh Waves in a Rotating Orthotropic Micropolar Elastic Solid Half-Space
International Journal of Geophysics, 2013 A problem on Rayleigh wave in a rotating half-space of an orthotropic micropolar material is considered. The governing equations are solved for surface wave solutions in the half space of the material.
Baljeet Singh +2 more
doaj +1 more source
Earthquake Research Advances, 2022 In this study, A time-domain seismic response analysis method and a calculation model of the underground structure that can realize the input of seismic P, SV and Rayleigh waves are established, based on the viscoelastic artificial boundary elements and ...
Xin Bao +4 more
doaj +1 more source
3-D crustal structure of the western United States: application of Rayleigh-wave ellipticity extracted from noise cross-correlations [PDF]
, 2014 We present a new 3-D seismic model of the western United States crust derived from a joint inversion of Rayleigh-wave phase velocity and ellipticity measurements using periods from 8 to 100 s. Improved constraints on upper-crustal structure result from
Lin, Fan-Chi +2 more
core +2 more sources
Rayleigh-wave coupling to atmospheric compression waves* [PDF]
Bulletin of the Seismological Society of America, 1952 AbstractThe theory of dispersive Rayleigh waves coupled to atmospheric compressional waves is derived for the case of a solid surface layer. Numerical computation of phase and group velocity curves indicates that an additional branch may be introduced to the dispersion curves as a result of air coupling.
Jardetzky, Wenceslas S., 1896-1962 +1 more
openaire +2 more sources
High-temperature high-sensitivity AlN-on-SOI Lamb wave resonant strain sensor
AIP Advances, 2018 A piezoelectric AlN-on-SOI structured MEMS Lamb wave resonator (LWR) is presented for high-temperature strain measurement. The LWR has a composite membrane of a 1 μm thick AlN film and a 30 μm thick device silicon layer.
Shaoxu Dou +8 more
doaj +1 more source
The axisymmetric Rayleigh waves in a semi-infinite elastic solid
Theoretical and Applied Mechanics Letters, 2020 : It is well-known that Rayleigh wave, also known as surface acoustic wave (SAW), solutions in semi-infinite solids are plane waves with signatory properties like the distinct velocity and exponentially decaying deformation in the depth.
Ji Wang +6 more
doaj +1 more source
Fully nonlinear inversion of fundamental mode surface waves for a global crustal model [PDF]
, 2007 We use neural networks to find 1-dimensional marginal probability density functions (pdfs) of global crustal parameters. The information content of the full posterior and prior pdfs can quantify the extent to which a parameter is constrained by the data.
A. Curtis +21 more
core +1 more source
Study of high-resolution analysis of Rayleigh waves on the basis of the Choi–Williams distribution
Frontiers in Earth ScienceRayleigh wave exploration is widely used in the field of engineering investigation, which can analyze the near surface velocity structure. However, the traditional Rayleigh wave exploration data processing method can only provide the average change of ...
Min Xiang +6 more
doaj +1 more source
Scanning laser source and scanning laser detection techniques for different surface crack geometries [PDF]
, 2012 Standard test samples typically contain simulated defects such as slots machined normal to the surface. However, real defects will not always propagate in this manner; for example, rolling contact fatigue on rails propagates at around 25º to the surface,
Clough, A. R. +3 more
core +1 more source