Estimation of Compressional Wave Speed in Marine Sediments using Biot Stoll Model and Buckinghams Grain shearing Model
نویسندگان
چکیده
منابع مشابه
A broadband model of sandy ocean sediments: Biot–Stoll with contact squirt flow and shear drag
Unlike the application of the Biot model for fused glass beads, which was conclusively demonstrated by Berryman @Appl. Phys. Lett. 37~4!, 382–384 ~1980!# using the experimental measurements by Plona @Appl. Phys. Lett. 36, 259–261 ~1980!#, the model for unconsolidated water-saturated sand has been more elusive. The difficulty is in the grain to grain contact physics. Unlike the fused glass beads...
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چکیده ندارد.
Grain-size dependence of shear wave speed dispersion and attenuation in granular marine sediments.
The author has shown that measured shear wave speed dispersion and attenuation in water-saturated silica sand can be predicted by using a gap stiffness model incorporated into the Biot model (the BIMGS model) [Kimura, J. Acoust. Soc. Am. 134, 144-155 (2013)]. In this study, the grain-size dependence of shear wave speed dispersion and attenuation in four kinds of water-saturated silica sands wit...
متن کاملShear wave speed dispersion and attenuation in granular marine sediments.
The reported compressional wave speed dispersion and attenuation could be explained by a modified gap stiffness model incorporated into the Biot model (the BIMGS model). In contrast, shear wave speed dispersion and attenuation have not been investigated in detail. No measurements of shear wave speed dispersion have been reported, and only Brunson's data provide the frequency characteristics of ...
متن کاملTheory of compressional and shear waves in fluidlike marine sediments
An unconsolidated, saturated marine sediment consists of a more or less loose assemblage of mineral grains in contact, with seawater in the interstices. It is postulated that the two-phase medium possesses no skeletal frame, implying that the elastic rigidity modulus of the material is zero. A theory of wave propagation in such a sediment is developed, in which the medium is treated as a fluid ...
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ژورنال
عنوان ژورنال: Defence Science Journal
سال: 2020
ISSN: 0976-464X,0011-748X
DOI: 10.14429/dsj.70.14365