FIRST ORDER PERTURBATION SOLUTION FOR AXIAL VIBRATION OF TENSION LEG PLATFORMS

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GOL AFSHANI M.; TABESHPOUR M.R.; SEIF M.S.

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Journal: SCIENTIA IRANICA Year:2007 | Volume:14 | Issue:5 Page(s): 414-423

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Title

FIRST ORDER PERTURBATION SOLUTION FOR AXIAL VIBRATION OF TENSION LEG PLATFORMS

Author(s)

GOL AFSHANI M. | TABESHPOUR M.R. | SEIF M.S. | Issue Writer Certificate

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Abstract

The dynamic response of the leg (tether) of a Tension Leg Platform (TLP), subjected to axial load at the top of the leg, is presented. The structural model is very simple, but several complicated factors, such as foundation effect, buoyancy and simulated ocean wave load, are considered. As an application, the effect of added mass fluctuation on the dynamic response of the leg subjected to such a load is presented. This effect is important in the fatigue life study of tethers. A first order perturbation method is used, in order to formulate and solve the problem. The differential equation is solved by means of non-harmonic Fourier expansion, in terms of eigenfunctions obtained from a non-regular Sturm-Liouville system.

Cites

COMPARISON BETWEEN LINEAR AND NONLINEAR MODELS FOR SURGE MOTION OF TLP

References

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APA: Copy

GOL AFSHANI, M., TABESHPOUR, M.R., & SEIF, M.S.. (2007). FIRST ORDER PERTURBATION SOLUTION FOR AXIAL VIBRATION OF TENSION LEG PLATFORMS. SCIENTIA IRANICA, 14(5), 414-423. SID. https://sid.ir/paper/289562/en

Vancouver: Copy

GOL AFSHANI M., TABESHPOUR M.R., SEIF M.S.. FIRST ORDER PERTURBATION SOLUTION FOR AXIAL VIBRATION OF TENSION LEG PLATFORMS. SCIENTIA IRANICA[Internet]. 2007;14(5):414-423. Available from: https://sid.ir/paper/289562/en

IEEE: Copy

M. GOL AFSHANI, M.R. TABESHPOUR, and M.S. SEIF, “FIRST ORDER PERTURBATION SOLUTION FOR AXIAL VIBRATION OF TENSION LEG PLATFORMS,” SCIENTIA IRANICA, vol. 14, no. 5, pp. 414–423, 2007, [Online]. Available: https://sid.ir/paper/289562/en

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