Analytical solutions for the wave-induced second-order time independent drift forces and moments due to the dynamic and the waterline pressures on a fixed vertical circular cylinder are derived. The results are displayed graphically for a number of depth to radius ratios. An analytical technique is used to determine the first-order velocity potential by considering two regions, namely, interior region and exterior region. We have also demonstrated a numerical solution by a higher order panel method in which the kernel of the integral equation is modified to make it non-singular and amenable to solutions by the Gaussian quadrature formula. The numerical results are found to comply with the analytical solutions.
- Ocean, Offshore, and Arctic Engineering Division
On the Drift Forces of a Vertical Cylinder in Water of Finite Depth
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Rahman, M, & Mousavizadegan, SH. "On the Drift Forces of a Vertical Cylinder in Water of Finite Depth." Proceedings of the ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B. Vancouver, British Columbia, Canada. June 20–25, 2004. pp. 123-138. ASME. https://doi.org/10.1115/OMAE2004-51086
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