Stochastic response of tension leg platform to wave and current forces

A. Ertas, J. H. Lee

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The linear analysis in the frequency domain is presented for the surge motion of a tension leg platform (TLP) in the case of random waves only and random waves with constant current. A single-degree-of-freedom model of a TLP is employed for response. The superposition method, one of the simulation techniques, is applied to random sea wave, and the response analysis of TLP in time is developed with wave velocity and wave acceleration simulations. Wave-induced forces are calculated using the modified Morison equation, which takes into account relative motion. Computational methods for both analyses are developed, and the results of stochastic, dynamic response of the TLP, with and without the presence of current, are presented and compared.

Original languageEnglish
Pages (from-to)221-230
Number of pages10
JournalJournal of Energy Resources Technology, Transactions of the ASME
Issue number4
StatePublished - Dec 1989


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