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Third-order hydrodynamic loads on an oscillating vertical cylinder in water
The third-harmonic component of the third-order hydrodynamic loads on a vertical circular cylinder oscillating in water is calculated by a conventional perturbation method within the framework of a potential theory. Although the third-order forces are expressed in terms of the first, second, and third-order components of the velocity potential, the latter is not directly required for the calculation. It is replaced by a properly defined linearized radiation potential via Haskind-like theorem. The results of the study are applicable to the analysis of high-frequency resonances of deepwater offshore structures under earthquake excitation or under steep waves (ringing problem).
Third-order hydrodynamic loads on an oscillating vertical cylinder in water
The third-harmonic component of the third-order hydrodynamic loads on a vertical circular cylinder oscillating in water is calculated by a conventional perturbation method within the framework of a potential theory. Although the third-order forces are expressed in terms of the first, second, and third-order components of the velocity potential, the latter is not directly required for the calculation. It is replaced by a properly defined linearized radiation potential via Haskind-like theorem. The results of the study are applicable to the analysis of high-frequency resonances of deepwater offshore structures under earthquake excitation or under steep waves (ringing problem).
Third-order hydrodynamic loads on an oscillating vertical cylinder in water
Markiewicz, M. (Autor:in) / Letkowski, P. (Autor:in) / Mahrenholtz, O. (Autor:in)
1999
6 Seiten, 13 Quellen
Aufsatz (Zeitschrift)
Englisch
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