This paper presents a different approach to the work developed by Cruz and Sarmento (2005), where the same problem was studied in the frequency domain. It concerns the same sphere, connected to the seabed by a tension line (single point moored), that oscillates with respect to the vertical direction in the plane of wave propagation. The pulsating nature of the sphere is the basic physical phenomenon that allows the use of this model as a simulation of a floating wave energy converter. The hydrodynamic coefficients and diffraction forces presented in Linton (1991) and Lopes and Sarmento (2002) for a submerged sphere are used. The equation of motion in the angular direction is solved in the time domain without any assumption about its output, allowing comparisons with the previously obtained results.
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ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering
June 12–17, 2005
Halkidiki, Greece
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
0-7918-4196-0
PROCEEDINGS PAPER
Time Domain Simulations on a Single Point Moored Submerged Sphere of Variable Radius Available to Purchase
Joa˜o M. B. P. Cruz,
Joa˜o M. B. P. Cruz
Technical University of Lisbon, Lisboa, Portugal
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Anto´nio J. N. A. Sarmento
Anto´nio J. N. A. Sarmento
Wave Energy Centre
Search for other works by this author on:
Joa˜o M. B. P. Cruz
Technical University of Lisbon, Lisboa, Portugal
Anto´nio J. N. A. Sarmento
Wave Energy Centre
Paper No:
OMAE2005-67434, pp. 819-824; 6 pages
Published Online:
November 11, 2008
Citation
Cruz, JMBP, & Sarmento, AJNA. "Time Domain Simulations on a Single Point Moored Submerged Sphere of Variable Radius." Proceedings of the ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 2. Halkidiki, Greece. June 12–17, 2005. pp. 819-824. ASME. https://doi.org/10.1115/OMAE2005-67434
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