Numerical Analysis of the Dynamic Response of an Offshore Platform with a Pile-Soil Foundation System Subjected to Random Waves and Currents
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 138, Issue 4
Abstract
In this study, a three-dimensional numerical model was developed based on a modal analysis and substructure method. The devised model was employed for an evaluation of the dynamic response of a bottom-mounted platform with a pile-soil foundation system that was subjected to random waves and currents. A two-dimensional numerical scheme with the Newmark method was extended to three dimensions. The equation of motion was solved by using cylindrical beam elements to analyze the response of the superstructure, and the impedance function method was employed to model the pile-soil foundation system. The displacement and bending stress at selected nodal points of the structure were computed using various input parameters, such as the shear-wave velocity of the soil and the mean wave height and period. The effect of the current on the structural response was also evaluated. Using the reliability index obtained from the Monte Carlo simulation method, the reliability of the dynamic response at critical structural members, which contained uncertainties due to dynamic forces and structural properties, was assessed.
Get full access to this article
View all available purchase options and get full access to this article.
References
Aydinoglu, M. N. (1993a). “Consistent formulation of direct and substructure methods in nonlinear soil structure interaction.” Soil Dyn. Earthquake Eng.IJDEDD, 12(7), 403–410.
Aydinoglu, M. N. (1993b). “Development of analytical techniques in soil structure interaction.” In Development in dynamic soil structure interaction. Gulkan, P. and Clough, R. W., eds., NATO Advanced Study Institute, Kemer Antalya, Turkey, 1992, Kluwer Academic Publishers, Dordrecht, 25–42.
Banergee, P. K., and Driscoll, P. M. (1976). “Three dimensional analysis of raked pile groups.” ICE Proc., 61(4), 653–671.
Bea, R. G. (1980). “Dynamic response of piles in offshore platforms.” Proc., Dynamic Response of Pile Foundations; Analytical Aspects, ASCE, 80–109.
Bogard, D., and Matlock, H. (1983). “Procedures for analysis of laterally loaded pile groups in soft clay.” Proc., Int. Specialty Conf. Geotechnical Engineering in Offshore Practice, ASCE, 499–535.
Brouwers, J. J. H., and Verbeek, P. H. (1983). “Expected fatigue damage and extreme response for Morison-type wave loading.” Appl. Ocean Res., 5(3), 129–133.AOCRDS
Brown, D., Morrison, C., and Reese, L. C. (1988). “Lateral load behavior of pile group in sand.” J. Geotech. Eng.JGENDZ, 114(11), 1261–1276.
Chakrabarti, S. K. (1987). Hydrodynamics of offshore structure, Computational Mechanics Publications, Boston.
Chow, Y. K. (1987). “Three dimensional analysis of pile groups.” J. Geotech. Eng.JGENDZ, 113(6), 637–651.
Guan, X. L., and Melchers, R. E. (2000). “A comparison of some FOSM and Monte Carlo results.” Applications of statistics and probability, Melchers, R. E. and Stewart, M. G., eds., Balkema, Rotterdam, Netherlands, 65–72.
Hoit, M., McVay, M., and Hays, C. (1996). “Florida pier computer program for bridge substructure analysis: model and methods.” Proc., Conf. Design of Bridges for Extreme Events, FHWA, Washington, DC, 1–17.
Karadeniz, H. (2005). “Reliability calculation of RC offshore structures under extreme wave loading.” Proc., the Fifteenth Int. Offshore and Polar Engineering Conf., Seoul, 399–406.
Kawano, K., and Venkataramana, K. (1999). “Dynamic response and reliability analysis of large offshore structures.” Comput. Methods Appl. Mech. Eng., 168(1–4), 255–272.CMMECC
Kawano, K., Fukusakko, H., and Kimura, Y. (2004). “Dynamic response evaluations of an offshore structure with uncertainties.” Third Int. Conf. Advanced in Structural Engineering and Mechanics, Seoul, 610–620.
Kenji, K., Yamada, Y., and Venkataramana, K. (1988). “Dynamic response analysis of soil-offshore structure systems.” Comput. Struct.CMSTCJ, 30(3), 581–586.
Kitiyodom, P., and Matsumoto, P. (2002). “A simplified analysis method for piled raft and pile group foundations with batter piles.” Int. J. Numer. Anal. Methods Geomech., 26(13), 1349–1369.IJNGDZ
Kleiber, M. (1994). “Parameter sensitivity in nonlinear static and dynamics of solids and structures.” Proc., the Third World Congress on Computational Mechanics, Vol. 2, Chiba, Japan, 1021–1023.
Kuhlemeyer, R. L. (1979). “Static and dynamic laterally loaded floating piles.” J. Geotech. Eng. Div.AJGEB6, 105(2), 289–304.
Mokwa, R. L., and Duncan, L. M. (2000). “Investigation of the resistance of pile caps and integral abutments to lateral loading.” Rep. No. VTRC00-CR4, Virginia Transportation Research Council, Charlottesville, VA.
O’Neill, M. W., Ghazzaly, O. I., and Ha, H. B. (1977). “Analysis of three dimensional pile groups with nonlinear soil response and pile soil pile interaction.” Offshore Technology Conf., Houston, TX, 2838–MS, 1–12.
Ooi, P. S. K., and Duncan, J. M. (1994). “Lateral load analysis of groups of piles and drilled shaft.” J. Geotech. Geoenviron. Eng., 120(6), 1034–1050.JGGEFK
Ooi, P. S. K., Chang, B. K. F., and Wang, S. (2004). “Simplified lateral analyses of fixed head piles and pile groups.” J. Geotech. Geoenviron. Eng.JGGEFK, 130(11), 1140–1151.
Park, M. S., and Kawano, K. (2009). “Dynamic response and reliability analysis of offshore platform with porosity due to wave and seismic forces.” J. Appl. Mech., Japan Soc. Civ. Eng., 12, 1005–1012.
Park, M. S., Koo, W. C., and Choi, Y. R. (2010). “Hydrodynamic interaction with an array of porous circular cylinders.” Int. J. Naval Archit. Ocean Eng., 2(3), 146–154.
Penzien, J., Kaul, M. K., and Berge, B. (1972). “Stochastic response of offshore towers to random sea waves and strong motion earthquake.” Comput. Struct.CMSTCJ, 2(5–6), 733–759.
Poulos, H. G. (1971). “Behavior of laterally loaded piles II: Pile groups.” J. Soil Mech. Found. Div.JSFEAQ, 97(SM5), 733–751.
Randolph, M. F. (1980). “PIGLET: a computer program for the analysis and design of pile groups under general loading conditions.” Soil Report TR91, CUED/D, Cambridge Univ., England.
Reese, L. C., O’Neill, M. W., and Smith, R. E. (1970). “Generalized analysis of pile foundations.” J. Soil Mech. Found. Div.JSFEAQ, 96(1), 235–250.
Venkataramana, K., and Kawano, K. (1996). “Parametric uncertainties for dynamic response evaluation of offshore structures.” Comput. Mech., 18(6), 454–463.
Wolf, J. P. (1985). Dynamic soil structure interaction, Chapter 8, Prentice Hall, Englewood Cliffs, NJ, 369–404.
Wolf, J. P. (1988). Soil structure interaction analysis in time domain, Prentice Hall, Englewood Cliffs, NJ.
Yamada, Y., Kawano, K., Iemura, H., and Venkataramana, K. (1988). “Wave and earthquake response of offshore structure with soil-structure interaction.” Proc. Structure Eng./Earthquake Eng., 5(2), JSCE, 361–370.
Yang, J. N., and Liu, S. C. (1981). “Distribution of maximum and statistical response spectra.” Proc. Am. Soc. Civ. Eng., 107(EM6), 1089–1101.PACEAJ
Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 138 • Issue 4 • July 2012
Pages: 275 - 285
Copyright
© 2012. American Society of Civil Engineers.
History
Received: Nov 2, 2010
Accepted: Oct 4, 2011
Published online: Oct 7, 2011
Published in print: Jul 1, 2012
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.