NDLI: Numerical simulation of acoustic wave field of seafloor sediments based on Biot model

Content Provider	IEEE Xplore Digital Library
Author	Guangming Kan Xiangmei Meng Guanbao Li Qingsheng Meng
Copyright Year	2011
Description	Author affiliation: Key Lab of Marine Sedimentology & Environmental of Geology SOA, First Institute of Oceanography, Qingdao, China (Guangming Kan; Xiangmei Meng; Guanbao Li) \|\| Key Laboratory of Marine Environment & Ecology, Ministry of Education, Ocean University of China, Qingdao, China (Qingsheng Meng)
Abstract	Based on the Biot model, Acoustic wave field of seafloor sediments are calculated and analyzed by means of finite-difference numerical simulation. According to the results, Porosity(Ø) and permeability(К) both have important influence on wave field of marine sediment. As Ø increases, velocity and amplitude of the fast wave decrease, but velocity of the slow wave increases. As К decreases, the amplitude of the slow wave decreases. In addition to reflection and transmission characteristics, the transform features of wave appear on the interface of two sedimentary layers of marine sediments. On the interface, the fast wave is transformed into the shear and the slow wave. The shear wave is transformed into the fast wave. The slow wave is transformed into the shear and the fast wave. Extraordinarily, the fast wave which transformed from the slow wave has identical properties with the usual fast wave such as a little velocity dispersion and attenuation.
Starting Page	3259
Ending Page	3262
File Size	1021583
Page Count	4
File Format	PDF
ISBN	9781424494361
e-ISBN	9781424494392
DOI	10.1109/MACE.2011.5987686
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Semiconductor optical amplifiers Acoustic wave field Biological system modeling Seafloor sediments Biot Model Numerical models Sediments System-on-a-chip Acoustic waves
Content Type	Text
Resource Type	Article

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