Seismic boundary conditions for porous media
WebApr 14, 2024 · A massive ocean floor lurks near Earth's core. Now, seismic imaging has revealed that it likely surrounds much — if not all — of the core. This thin, dense layer is lodged roughly 2,000 miles (3,200 kilometers) below Earth's surface, between the core and the planet's middle layer, called the mantle. And it might encompass the entire core ... WebMay 1, 2024 · Seismic boundary conditions for porous media J. Geophys. Res. Solid Earth (1978–2012) (1989) B. Dupuy et al. Influence of frequency and saturation on AVO …
Seismic boundary conditions for porous media
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WebSeismic reflections from a gas‐water contact. Using the Biot theory, we have performed calculations to show that viscous fluid flow affects seismic wave amplitudes and … WebMar 8, 2012 · de la Cruz V., Spanos T.J.T.: Seismic boundary conditions for porous media. J. Geophys. Res. 94, 3025–3029 (1989) Article Google Scholar Deresiewicz H.: The effect of boundaries on wave propagation in a liquid-filled porous solid: I. Reflection of plane waves at a free boundary (non-dissipative case). Bull. Seismol. Soc. Am. 50, 599–607 (1960)
WebSeismic wave propagation in a porous medium. A complete set of equations to describe low‐frequency seismic wave phenomena in fluid‐filled porous media is presented. The … Webinto account to accurately describe seismic wave amplitudes in subsurface and reservoir geophysical applications. Consequently, the modelling of the wave propagation in heterege-neous porous media, which includes the frequency-dependent phenomena of the fluid-solid interaction, is considered for 2D geometries.
WebSep 3, 2024 · Abstract. SUMMARY We present a new methodology of the finite-difference (FD) modelling of seismic wave propagation in a strongly heterogeneous medium … WebFeb 20, 2024 · The seismic wave (green line in Figure 4) with varying degrees of A and T led to the oscillating flow field in porous and fractured media. This has been demonstrated in porous media (Figure 4 a when ρA /∇ P = 1.4 and T = τ ) and fracture (Figure 4 b when ρA /∇ P = 2 and T = τ ).
WebJun 1, 2011 · PML absorbing boundary condition for seismic numerical modeling by convolutional differentiator in fluid-saturated porous media Authors: Hongyi Li China University of Geosciences...
WebSep 1, 2024 · Seismic surface wave mitigation using metamaterials is a growing research field propelled by intrinsic theoretical value and possible application prospects. Up to … instant online title loan azWebFor problems of seismic transmission and reflection it is demonstrated that these boundary conditions are complete. When one of the media degenerates to an elastic solid or a fluid … instant online title loan no inspectionWebA detailed investigation is therefore carried out in this article on the influence of viscous coupling in the reflection and transmission at an interface between saturated porous media and ordinary elastic media. The interface is considered to be either permeable or impermeable to include the effect of hydraulic boundary condition. jingles gift shop westmoreland nhWebThis shows that even though the attenuation behaviour of heterogeneous porous media can be simplified with a phenomenological visco-elastic attenuation mechanism, the seismic responses at fluid/porous-solid interfaces with open-pore boundary conditions may differ significantly between the poro-elastic and the visco-elastic case. jingles guest house emsworthWeb1 day ago · Nonhomogeneous boundary conditions, as well as other types boundary conditions can also be considered. The analysis for nonhomogeneous Dirichlet boundary conditions can be performed using the proposed methodology (while the analysis for other types of boundary conditions is more involved and will be considered elsewhere). 3. … jingles hairsprayWebNakagawa, S., and M. Schoenberg, 2007, Poroelastic modeling of seismic boundary conditions across a fracture: The Journal of the Acoustical Society of America, 122 ... T., 2024, Frequency-dependent AVO analysis in fracture porous media: 90th Annual International Meeting, SEG, Expanded Abstracts, 365–369, doi: 10.1190/segam2024 … instant online valuation of propertyWebApr 13, 2024 · Moreover, convective boundary condition and thermal radiation enhance the friction of the surface. The model is prepared as an implementation for solar energy in processes of thermal engineering ... jingle sheet music