In this paper, a numerical model is developed to study the dynamic response of a porous seabed to combined wave-current loadings. While the Reynolds-averaged Navier–Stokes equations with turbulence closure scheme and internal wave-maker function are solved for the phenomenon of wave-current interaction, Biot's poro-elastic “” model is adopted for the seabed response. After validated by the laboratory measurements, this model is applied for the investigation of the effects of waves and currents on the wave-current induced pore pressures. Furthermore, the effects of currents on maximum liquefaction depths of a porous seabed is examined, and it is concluded that the opposite currents will increase the liquefaction depth up to 30% of that without currents.
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August 2013
Research-Article
Numerical Modeling of Seabed Response to Combined Wave-Current Loading
J.-S. Zhang,
J.-S. Zhang
Professor
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering
,Hohai University
,Nanjing 210098
, China
;College of Harbor
,Coastal and Offshore Engineering
,Hohai University
,Nanjing 210098
, China
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Y. Zhang,
Y. Zhang
Postgraduate Student
Center for Marine Geotechnical Engineering Research
,Shanghai Jiao Tong University
,Shanghai 200240
, China
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C. Zhang,
C. Zhang
Associate Professor
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering
,Hohai University
,Nanjing 210098
, China
;College of Harbor
,Coastal and Offshore Engineering
,Hohai University
,Nanjing 210098
, China
Search for other works by this author on:
D.-S. Jeng
D.-S. Jeng
1
Professor
e-mail: jengd2@asme.org
Griffith School of Engineering
,Griffith University, Gold Coast Campus,
Southport, QLD, 4111
, Australia
e-mail: jengd2@asme.org
1Corresponding author.
Search for other works by this author on:
J.-S. Zhang
Professor
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering
,Hohai University
,Nanjing 210098
, China
;College of Harbor
,Coastal and Offshore Engineering
,Hohai University
,Nanjing 210098
, China
Y. Zhang
Postgraduate Student
Center for Marine Geotechnical Engineering Research
,Shanghai Jiao Tong University
,Shanghai 200240
, China
C. Zhang
Associate Professor
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering
,Hohai University
,Nanjing 210098
, China
;College of Harbor
,Coastal and Offshore Engineering
,Hohai University
,Nanjing 210098
, China
D.-S. Jeng
Professor
e-mail: jengd2@asme.org
Griffith School of Engineering
,Griffith University, Gold Coast Campus,
Southport, QLD, 4111
, Australia
e-mail: jengd2@asme.org
1Corresponding author.
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received January 12, 2012; final manuscript received December 12, 2012; published online March 28, 2013. Assoc. Editor: Colin Leung.
J. Offshore Mech. Arct. Eng. Aug 2013, 135(3): 031102 (7 pages)
Published Online: March 28, 2013
Article history
Received:
January 12, 2012
Revision Received:
December 12, 2012
Citation
Zhang, J., Zhang, Y., Zhang, C., and Jeng, D. (March 28, 2013). "Numerical Modeling of Seabed Response to Combined Wave-Current Loading." ASME. J. Offshore Mech. Arct. Eng. August 2013; 135(3): 031102. https://doi.org/10.1115/1.4023203
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