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Numerical analysis on cnoidal wave induced response of porous seabed with definite thickness

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Abstract

Severe water waves can induce seabed liquefaction and do harm to marine structures. Dynamic response of seabed with definite thickness induced by cnoidal water waves is investigated numerically. Biot’s consolidation equations are employed to model the seabed response. Parametric studies are carried out to examine the influence of the air content in the pore water and the soil hydraulic conductivity. It has been shown that the air content and soil hydraulic conductivity can significantly affect the pore pressure in seabed. An increase of air content and/or a decrease of soil hydraulic conductivity can change the pore pressure gradient sharply.

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Correspondence to Xiao-he Xia  (夏小和).

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Foundation item: the National Natural Science Foundation of China (No. 41272317)

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Xu, Yf., Xia, Xh., Wang, Jh. et al. Numerical analysis on cnoidal wave induced response of porous seabed with definite thickness. J. Shanghai Jiaotong Univ. (Sci.) 18, 650–654 (2013). https://doi.org/10.1007/s12204-013-1446-6

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  • DOI: https://doi.org/10.1007/s12204-013-1446-6

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