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	Visco-elastic-plastic model for muddy seabeds
	Niu Xiaojing ; Yu Xiping
	2010-10-12 ; 2010-10-12
关键词	Theoretical or Mathematical/ finite volume methods rheology seafloor phenomena sediments/ visco-elastic-plastic model muddy seabeds wave attenuation numerical model equation of motion continuity equation incompressible fluids Newtonian fluid viscous fluid model seabed rheology finite volume method VOF method seabed densities/ A9150J Marine sedimentation and sediments A9160B Mechanical and acoustic properties of rocks, minerals and soil A9150E Seafloor processes
中文摘要	A numerical model of the interaction between waves and a muddy seabed was developed to study wave attenuation by the muddy seabed. The governing equations for both the water and the mud were the continuity equation and the equation of motion for incompressible fluids. The water was treated as a Newtonian fluid. A viscous fluid model and a visco-elastic-plastic model were used to describe the rheology of the seabed. The finite volume method was used to solve the governing equations, and both the free water surface and the interface between the water and the mud were tracked by the VOF method. Wave attenuation by the muddy seabed was investigated for various seabed densities. The viscous fluid model performs well for the low density mud, but when the mud density is relatively large the plasticity of the mud plays an important role in the wave attenuation. Thus, the visco-elastic-plastic model should be used for the mud.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/81958]
专题	清华大学
推荐引用方式 GB/T 7714	Niu Xiaojing,Yu Xiping. Visco-elastic-plastic model for muddy seabeds[J],2010, 2010.
APA	Niu Xiaojing,&Yu Xiping.(2010).Visco-elastic-plastic model for muddy seabeds..
MLA	Niu Xiaojing,et al."Visco-elastic-plastic model for muddy seabeds".(2010).

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