Numerical Analysis on Cnoidal Wave Induced Response of Porous Seabed with Definite Thickness

doi:10.1007/s12204-013-1446-6

上海交通大学学报（英文版） ›› 2013, Vol. 18 ›› Issue (6): 650-654.doi: 10.1007/s12204-013-1446-6

Numerical Analysis on Cnoidal Wave Induced Response of Porous Seabed with Definite Thickness

XU Yun-feng (徐云峰), XIA Xiao-he* (夏小和), WANG Jian-hua (王建华), CHEN Jin-jian (陈锦剑)

(Department of Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China)

出版日期:2013-12-31 发布日期:2013-12-18
通讯作者: XIA Xiao-he (夏小和) E-mail: xhxia@sjtu.edu.cn

Numerical Analysis on Cnoidal Wave Induced Response of Porous Seabed with Definite Thickness

XU Yun-feng (徐云峰), XIA Xiao-he* (夏小和), WANG Jian-hua (王建华), CHEN Jin-jian (陈锦剑)

(Department of Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China)

Online:2013-12-31 Published:2013-12-18
Contact: XIA Xiao-he (夏小和) E-mail: xhxia@sjtu.edu.cn

摘要/Abstract

摘要： 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.

关键词: cnoidal water wave, Biot's consolidation equation, seabed, pore pressure

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.

Key words: cnoidal water wave, Biot's consolidation equation, seabed, pore pressure

中图分类号:

P 753

XU Yun-feng (徐云峰), XIA Xiao-he* (夏小和), WANG Jian-hua (王建华), CHEN Jin-jian (陈锦剑). Numerical Analysis on Cnoidal Wave Induced Response of Porous Seabed with Definite Thickness[J]. 上海交通大学学报（英文版）, 2013, 18(6): 650-654.

XU Yun-feng (徐云峰), XIA Xiao-he* (夏小和), WANG Jian-hua (王建华), CHEN Jin-jian (陈锦剑). Numerical Analysis on Cnoidal Wave Induced Response of Porous Seabed with Definite Thickness[J]. Journal of shanghai Jiaotong University (Science), 2013, 18(6): 650-654.

参考文献

[1] Madsen O S. Wave-induced pore pressures and effective stresses in a porous bed [J]. G′eotechnique, 1978,28(4): 377-393.
[2] Okusa S. Wave-induced stresses in unsaturated submarine sediments [J]. G′eotechnique, 1985, 35(4): 517-532.
[3] Sassa S, Sekiguchi H. Analysis of wave-induced liquefaction of sand beds [J]. Geotechnique, 2001, 51(2): 115-126.
[4] Cheng L, Sumer B M, Freds?e J. Solutions of pore pressure buildup due to progressive waves [J]. International Journal for Numerical and Analytical Methods in Geomechanics, 2001, 25: 885-907.
[5] Sumer B M, Freds?e J. The mechanics of scour in the marine environment [M]. Singapore: World Scientific Publishing, 2002.
[6] Cheng Y Z, Jiang C B, Wang Y Y. A coupled numerical model of wave interaction with porous medium [J]. Ocean Engineering, 2009, 36(12-13): 952-959.
[7] Zhang J S, Jeng D S, Liu P L F. Numerical study for waves propagating over a porous seabed around a submerged permeable breakwater: PORO-WSSI II model [J]. Ocean Engineering, 2011, 38(7): 954-966.
[8] Wiegel R. A presentation of cnoidal wave theory for practical application [J]. Journal of Fluid Mechanics, 1960, 7(2): 273-286.
[9] Isobe M. Calculation and application of first-order cnoidal wave theory [J]. Coastal Engineering, 1985, 9(4): 309-325.
[10] Xu Y F, Xia X H, Wang J H. Calculation and approximation of the cnoidal function in cnoidal wave theory [J]. Computers and Fluids, 2012, 68: 244-247.
[11] Ulker M B C. Pore pressure, stress distributions and instantaneous liquefaction of two-layer soil under waves [J]. Journal of Waterway, Port, Coastal, and Ocean Engineering, 2012, 138(6): 435-450.
[12] Sandven R, Husby E, Husby J E, et al. Development of a sampler for measurement of gas content in soils [J]. Journal of Waterway, Port, Coastal, and Ocean Engineering, 2007, 133(1): 3-13.
[13] T?rum A. Wave-induced pore pressure—air/gas content [J]. Journal of Waterway, Port, Coastal, and Ocean Engineering, 2007, 133(1): 83-86.

Numerical Analysis on Cnoidal Wave Induced Response of Porous Seabed with Definite Thickness

Numerical Analysis on Cnoidal Wave Induced Response of Porous Seabed with Definite Thickness

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