Nonlinear Dynamic Response of a Tension Leg Platform

Author:

Bar-Avi P.1

Affiliation:

1. Rafael-Armament Development Authority, Government of Israel, P.O. Box 2250, Haifa, 31021 Israel

Abstract

Of the classes of offshore structures, the tension leg platform (TLP) is particularly well suited for deepwater operation. The structure investigated in this paper is assumed to consist of a flexible cable attached to a buoyant deck at the top. The cable is modeled as a beamlike continuous system subjected to wave, current, and wind forces. The derivation of the nonlinear equations of motion include nonlinearities due to geometry as well as due to wave forces. The equations of motion are solved and the TLP’s response to various environmental conditions and other physical parameters is evaluated.

Publisher

ASME International

Subject

Mechanical Engineering,Ocean Engineering

Reference14 articles.

1. Adrezin, R., Bar-Avi, P., and Benaroya, H., 1996, “Dynamic Response of Compliant Offshore Structure,” ASCE Journal of Aerospace Engineering.

2. Armenis, D. T., Angelopoulos, T. A., and Papanikas, D. G., 1991, “Time Domain Simulation of the Dynamic Behaviour of a Tension Leg Platform,” Proceedings, First International Offshore and Polar Engineering Conference, Aug., pp. 100–107.

3. Bar-Avi, P., and Benaroya, H., 1997, Nonlinear Dynamics of Compliant Offshore Structures, Swet Zeitlinger.

4. Bar-Avi, P., and Porat, I., 1994, “A Sound Derivation of the Nonlinear Equations of Motion of a Traveling String,” The International Journal of Mechanical Engineering Education.

5. Dare, A. W., 1967, Schaum’s Outline of Theory and Problems of Lagrangian Dynamics, McGraw-Hill, New York, NY.

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