This study is concerned with vortex-induced vibration (VIV) of deepwater marine risers. Riser response measurements from model tests on a densely instrumented long, flexible riser in uniform and sheared currents offer an almost ideal setup for our work. Our objectives are two-fold: (i) we use the measured data to describe complexities inherent in riser motions accompanying VIV; and (ii) we discuss how such data sets (and even less spatially dense monitoring) can be used effectively in predicting fatigue damage rates, which are of critical interest for deepwater risers.
On the Vortex-Induced Vibration Response of a Model Riser and Location of Sensors for Fatigue Damage Prediction
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Shi, C., Manuel, L., Tognarelli, M. A., and Botros, T. (February 2, 2012). "On the Vortex-Induced Vibration Response of a Model Riser and Location of Sensors for Fatigue Damage Prediction." ASME. J. Offshore Mech. Arct. Eng. August 2012; 134(3): 031802. https://doi.org/10.1115/1.4005193
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