Prediction of the Flow-Induced Vibration Response of Cylinders in Unsteady Flow
1998
Vandiver, J. K.
The primary long-term goal of this research is to understand, predict and devise means to suppress the structural dynamic response of long flexible cylinders excited by vortex shedding in wind or ocean currents. This general goal translates into a several specific objectives, which are to: (1) Understand and predict vortex-induced vibration (VIV) in sheared or unsteady flows; (2) Understand the effect of multiple frequency vibration components on VIV. ; (3) Understand and predict high mode number VIV in sheared flows; (4) Calibrate VIV response prediction models at super-critical Reynold's numbers; (5) Develop or improve VIV response suppression devices such as dampers, fairings, and strakes; (6) Develop structural dynamic modeling tools for predicting VIV response of cylinders with complex cylinder geometries, such as catenary shapes and irregular diameters.
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