Abstract
Propagating P-SV waves in the fluid-saturated mediums are categorized to fall into two distinct groups: insoluble and soluble mediums. These waves are known as surface Rayleigh waves. By introducing these waves with slowness in accordance to Snell Law, the diffusive and rotating waves are obtained. The results bear out that the propagating P-SV waves in soluble medium share similar diffusion characteristic as of insoluble medium while the discussions on fluid density in the mediums show that high density fluid promotes diffusive characteristic while low density fluid endorses nondiffusive P-SV waves. There is a compressed zone during the propagation of P-SV waves in medium saturated with high density fluids.
Highlights
IntroductionEngineers estimated the wet-rock P-wave velocity from the dry-rock P-wave velocity [1]
P-waves refer to the primary waves when an earthquake is discussed
S waves are categorized to SV and SH waves while the combination of P-SV waves are known as surface Rayleigh waves in [10]
Summary
Engineers estimated the wet-rock P-wave velocity from the dry-rock P-wave velocity [1]. The dependence of P- and S-wave attenuation on strain amplitude and frequency had been studied experimentally in dry and water-saturated sandstone samples under a confining pressure [2]. The P-wave propagation and attenuation in rock shelter layer with an inclusion or filled medium had been studied [3]. The problem of diffraction of waves due to plane harmonic P-wave incident normally on a line crack situated in an infinite micro-polar elastic medium was studied as well in [4]. An analytical solution is obtained for twodimensional scattering and diffraction of plane P waves by circular-arc alluvial valleys with shallow saturated soil deposits [12]. In Cardiology, P-waves had been used for monitoring in risk assessment of the patient after surgery [13]
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