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Project Number 145
Date of Summary March 31, 1991
Subject Response Prediction Techniques for Risers in Sheared Currents
Performing Activity Massachusetts Institute of Technology
Principal Investigator Dr. J. Kim Vandiver
Contracting Agency Minerals Management Service
Estimated Completion Complete
Description This project was a Joint Industry Project (JIP), in cooperation with the Massachusetts Institute of Technology Sea Grant Program. The objective was to assess the global static and dynamic behavior of complaint risers including current shear flow effects and to evaluate the effects of the principal engineering parameters on the behavior of such systems. The focus was on deriving unified analytical solutions for the linear dynamic response of compliant risers to permit the designer to discern the effects of principal variables and to evaluate alternative concepts efficiently. Fatigue life estimation verification was the goal of the project.
Progress Complete

Reports
AA (23 pages; 1,179 KB) File in Adobe's Portable Document Format (PDF). Vandiver, J. K., Chung, T. Y., Predicted and Measured Response of Flexible Cylinders in Sheared Flow, Symposium on Vortex-Induced Vibrations, ASME Winter Meeting, Chicago, November 1988.
AB (42 pages; 1,775 KB) File in Adobe's Portable Document Format (PDF). Vandiver, J. K., Predicting the Response Characteristics of Long, Flexible Cylinders in Ocean Currents, Ocean Structural Dynamics Symposium '88, Oregon State University, Corvallis, Oregon, September 1988.

 

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