DOI QR코드

DOI QR Code

VIV simulation of riser-conductor systems including nonlinear soil-structure interactions

  • Ye, Maokun (Department of Ocean Engineering, Texas A&M University) ;
  • Chen, Hamn-Ching (Zachry Department of Civil Engineering and Department of Ocean Engineering, Texas A&M University)
  • Received : 2019.02.02
  • Accepted : 2019.06.13
  • Published : 2019.09.25

Abstract

This paper presents a fully three-dimensional numerical approach for analyzing deepwater drilling riser-conductor system vortex-induced vibrations (VIV) including nonlinear soil-structure interactions (SSI). The drilling riser-conductor system is modeled as a tensioned beam with linearly distributed tension and is solved by a fully implicit discretization scheme. The fluid field around the riser-conductor system is obtained by Finite-Analytic Navier-Stokes (FANS) code, which numerically solves the unsteady Navier-Stokes equations. The SSI is considered by modeling the lateral soil resistance force according to nonlinear p-y curves. Overset grid method is adopted to mesh the fluid domain. A partitioned fluid-structure interaction (FSI) method is achieved by communication between the fluid solver and riser motion solver. A riser-conductor system VIV simulation without SSI is firstly presented and served as a benchmark case for the subsequent simulations. Two SSI models based on a nonlinear p-y curve are then applied to the VIV simulations. Also, the effects of two key soil properties on the VIV simulations of riser-conductor systems are studied.

Keywords

References

  1. Ai, S. and Sun, L. (2010), "Vortex induced vibration response of a rigid cylinder supported with perfectly plastic nonlinear springs", J. Vib. Shock, 29(11), 21-25. https://doi.org/10.3969/j.issn.1000-3835.2010.11.005
  2. Basu, D. and Salgado, R. (2007), "Elastic analysis of laterally loaded pile in multi-layered soil", Geomech. Geoeng., 2(3), 183-196. https://doi.org/10.1080/17486020701401007
  3. Cao, Y. and Chen, H.C. (2017), "CFD simulation of vortex-induced vibration of free-standing hybrid riser", Ocean Syst. Eng., 7(3), 195-223. https://doi.org/10.12989/ose.2017.7.3.195
  4. Chen, H.C., Chen, C.R. and Huang, K. (2013), "CFD simulation of vortex-induced and wake-induced vibrations of dual vertical risers", Proceedings of the 23rd (2013) International Offshore and Polar Engineering, Anchorage, Alaska, USA, July.
  5. Chen, H.C., Patel, V.C. and Ju, S. (1990), "Solutions of Reynolds-Averaged Navier-Stokes equations for three-dimensional incompressible flows", J. Comput. Phys., 88(2), 305-336. https://doi.org/10.1016/0021-9991(90)90182-Z
  6. Choi, Y.S., Basu, D., Salgado, R. and Prezzi, M. (2014), "Response of Laterally Loaded Rectangular and Circular Piles in Soils with Properties Varying with Depth", J. Geotech. Geoenviron. Eng., 140(4), 04013049. https://doi.org/10.1061/(ASCE)GT.1943-5606.0001067
  7. El Naggar, M.H. and Novak, M. (1995), "Nonlinear lateral interaction in pile dynamics", Soil Dynam. Earthq. Eng., 14(2), 141-157. https://doi.org/10.1016/0267-7261(94)00028-F
  8. Gazetas, G. and Dorbry, R. (1984), "Horizontal response of piles in layered soils", J. Geotech. Eng., 110(1), 20-40. https://doi.org/10.1061/(ASCE)0733-9410(1984)110:1(20)
  9. Han, F., Salgado, R. and Prezzi, M. (2015), "Nonlinear analyses of laterally loaded piles - a semi-analytical approach", Comput. Geotech., 70, 116-129. https://doi.org/10.1016/j.compgeo.2015.07.009
  10. Huang, K., Chen, H.C. and Chen, C.R. (2007), "Riser VIV analysis by a CFD approach", Proceedings of the 17th International Offshore and Polar Engineering (ISOPE) Conference, Lisbon, July.
  11. Huang, K., Chen, H.C. and Chen, C.R. (2010), "Vertical riser viv simulation in uniform current", J. Offshore Mech. Arctic Eng., 132(3), 395-405.
  12. Huang, K., Chen, H.C. and Chen, C.R. (2011), "Numerical scheme for riser motion calculation during 3-D VIV simulation", J. Fluid. Struct., 27(7), 947-961. https://doi.org/10.1016/j.jfluidstructs.2011.06.010
  13. Huang, K., Chen, H.C. and Chen, C.R. (2012), "Vertical riser viv simulation in sheared current", Int. J. Offshore Polar Eng., 22(2), 142-149.
  14. Ilupeju, O.A. (2014), "Soil-spring model for fatigue evaluation of cyclic-loaded offshore conductors", Master of Science Thesis; Texas A&M University, College Station, Texas, USA.
  15. Kamble, C. and Chen, H.C. (2016), "CFD prediction of vortex induced vibrations and fatigue assessment for deepwater marine risers", Ocean Syst. Eng., 6(4), 325-344. https://doi.org/10.12989/ose.2016.6.4.325
  16. Liang, A., Wang, S., Li, L., Liu, X., Wang, Z. and Wen, X. (2014), "Study on influence of soil-pile nonlinear interaction on vehicle-bridge coupling vibration", Eng. Mech., 31(12), 96-103.
  17. Matlock, H. (1970), "Correlation for design of laterally loaded piles in soft clay", Offshore Technol. Civil Eng., 1, 77-94.
  18. Matlock, H. and Reese, L.C. (1960), "Generalized solutions for laterally loaded piles", Geotechnical Special Publication, 127(118), 1220-1248.
  19. Nogami, T. and Konagai, K. (1988), "Time domain flexural response of dynamically loaded single piles", J. Eng. Mech., 114(9), 1512-1525. https://doi.org/10.1061/(ASCE)0733-9399(1988)114:9(1512)
  20. Nogami, T., Konagai, K. and Otani, J. (1991), "Nonlinear time domain numerical model for pile group under transient dynamic forces", International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, 25.
  21. Novak, M. and Works, V.I. (1974), "Dynamic stiffness and damping of piles", Can. Geotech. J., 11(4), 574-598. https://doi.org/10.1139/t74-059
  22. Pontaza, J.P. and Menon, R.G. (2009), "Prediction of VIV response of a flexible pipe by coupling a viscous flow solver and a beam finite element solver", Proceedings of the 28th Intl Conference on Ocean, Offshore and Artic Engineering, Honolulu, Hawaii, USA, June.
  23. Pontaza, J.P., Chen, C.R. and Chen, H.C. (2004), "Chimera reynolds averaged Navier-Stokes simulations of vortex-induced vibration of circular cylinders", Proceedings of the International ASCE Conference: Civil Engineering in the Oceans VI.
  24. Reese, L.C. (1974), "Analysis of laterally loaded piles in sand", Offshore Technical Conference, 95-105.
  25. RP 2A-WSD (2010), Recommended Practice for Planning, Designing and constructing fixed offshore platforms-working stress design, American Petroleum Institute; Washington, D.C., USA.
  26. Tognarelli, M.A., Taggart, S. and Campbell, M. (2008), "Actual VIV fatigue response of full scale drilling risers: with and without suppression devices", Proceedings of the ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering.
  27. Trim, A.D., Braaten, H., Lie, H. and Tognarelli, M.A. (2005), "Experimental investigation of vortex-induced vibration of long marine risers", J. Fluid. Struct., 21, 335-361. https://doi.org/10.1016/j.jfluidstructs.2005.07.014
  28. Wilde J.J. and Huijsmans, R.H. (2004), "Laboratory investigation of long riser VIV response", Proceedings of the 14th International Offshore and Polar Engineering Conference, Toulon, France, May.
  29. Xiao, F. (2015), "CFD simulation of vortex-induced vibrations of free span pipelines including pipe-soil interactions", Proceedings of the 25th International Offshore and Polar Engineering Conference, Kona, Hawaii, USA, June.
  30. Yao, W., Huai-Rui, W., Cheng, Z. and Wu, Y. (2011), "Nonlinear numerical analysis of super-long piles based on p-y curves", Chinese J. Geotech. Eng., 33(11), 1683-1690.
  31. Zhu, Y. (2017), "Numerical simulation of vortex-induced vibrations of free span pipelines including nonlinear soil models", Master of Science Thesis; Texas A&M University, College Station, Texas, USA.