Wave loads on large vertical cylinders: A design method |
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Authors: | N Jothi Shankar T Balendra Chan Eng Soon |
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Institution: | National University of Singapore, Kent Ridge, Singapore 0511 |
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Abstract: | The finite element method based on linear diffraction theory proposed by Zienkiewicz and Bettess (1977) has been used to compute wave loads and moments about the bed of surface piercing cylinders of circular, square, rectangular and elliptical sections for different angles of wave incidence. On the basis of the results obtained, a design method is presented in the form of simple design charts for estimating wave forces and moments on large cylinders of arbitrary sections. The numerical solutions obtained have been checked for their validity by comparing with other theoretical solutions and experimental data. Further the application of the design method to a case study shows good correlation with experimental and other theoretical solutions. |
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