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TECHNICAL PAPERS

Dynamic Response of Risers Conveying Fluid

[+] Author and Article Information
Patrick Bar-Avi

Rafael—Armament Development Authority, Government of Israel, P.O. Box 2250, Haifa, 31021, Israel

J. Offshore Mech. Arct. Eng 122(3), 188-193 (Mar 02, 2000) (6 pages) doi:10.1115/1.1286517 History: Received March 29, 1999; Revised March 02, 2000
Copyright © 2000 by ASME
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References

Triantafyllou, M. S., 1994, “Dynamics of Cables and Chains,” Shock Vibr. Dig. pp. 3–5.
Patel,  M. H., and Park,  H. I., 1995, “Combined Axial and Lateral Responses of Tensioned Buoyant Platform Tethers,” Eng. Struc.,17, No. 10, pp. 687–695.
Seyed, F. B., and Patel, M. H., 1991, “Parametric Studies of Flexible Risers,” The First International Offshore and Polar Engineering Conference.
Bernitsas,  M. M., 1982, “Three-Dimensional Nonlinear Large Deflection Model for Dynamic Behavior of Risers, Pipelines and Cables,” J. Ship Res., 26, No. 1, pp. 59–64.
Kokarakis,  J. E., and Bernitsas,  M. M., 1987, “Nonlinear Three-Dimentional Dynamic Analysis of Marine Risers,” ASME J. Energy Resour. Technol., 109, pp. 105–111.
Moe, G., 1994, “Behavior of Risers With Internal Flow Under Various Boundary Conditions,” Fourth International Offshore and Polar Engineering Conference.
Aso, K., Kan, K., Doki, H., and Iwato, K., 1991, “The effects of Vibration Absorbers on the Longitudinal Vibration of a Pipe String in the Deep Sea,” The First International Offshore and Polar Engineering Conference.
McCone, A., Jr., 1993, “Technical Challenges in the Design of Flexible Pipes,” Offshore and Arctic Operation, ASME pp. 1–3.
Adrezin,  R., Bar-Avi,  P., and Benaroya,  H., 1996, “Dynamic Response of Compliant Offshore Structure,” ASCE, J. Aerosp. Eng.,9, No. 4, pp. 114–131.
Dare, A. W., 1967, Schaum’s Outline of Theory and Problems of Lagrangian Dynamics, McGraw-Hill, New York, NY.
Bar-Avi,  P., and Porat,  I., 1994, “A Sound Derivation of the Nonlinear Equations of Motion of a Traveling String,” Int. J. Mech. Eng. Educ., 23, No. 3, pp. 215–228.
Morison,  J. R., O’Brien,  M. R., Johnson,  J. W., and Schaaf,  S. A., 1950, “The Force by Surface Waves on Piles,” Petro. Trans. AIME,189, pp. 149–154.
Faltinsen, O. M., 1994, Sea Loads on Ships and Offshore Structures, Cambridge University Press, Cambridge, UK.
Patel, M. H., 1988, Dynamics of Offshore Structures, Butterworths.

Figures

Grahic Jump Location
Free vibration response of top end—(a) time domain, (b) frequency domain (v0=0–dashed line, v0=300 m/s–solid line)
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Riser’s position; initial state—solid line; final state: without flow—dashed line, with flow—dotted line
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Equilibrium position due to current; without flow—dashed line, with flow—dotted line
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Response due to waves, H=2 m—(a) time domain, (b) frequency domain (v0=0–dashed line, v0=300 m/s—solid line)
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Response due to waves, H=2 m; with internal flow—dotted line, without internal flow—dashed line
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Response near to top end to base excitation—(a) time domain, (b) frequency domain (v0=0—dashed line, v0=300 m/s—solid line)
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Response to top excitation—(a) time domain, (b) frequency domain. (v0=0—dashed line, v0=300 m/s—solid line)
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Response near the top end of the riser to oscillating flow—(a) time domain, (b) frequency domain
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Equilibrium position in the presence of negative acceleration (dotted line) and positive acceleration (dashed line)

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