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Stiffness of tension leg platforms (CROSBI ID 585465)

Prilog sa skupa u zborniku | izvorni znanstveni rad | domaća recenzija

Senjanović, Ivo ; Hadžić, Neven ; Tomić, Marko ; Vladimir, Nikola Stiffness of tension leg platforms // Zbornik radova IV Savjetovanja o morskoj tehnologiji in memoriam akademiku Zlatku Winkleru / Rožanić, Igor (ur.). Rijeka: Hrvatska akademija znanosti i umjetnosti (HAZU), 2012. str. 94-107

Podaci o odgovornosti

Senjanović, Ivo ; Hadžić, Neven ; Tomić, Marko ; Vladimir, Nikola

engleski

Stiffness of tension leg platforms

The tension leg platform (TLP) is a type of compliant offshore structures generally used for deep water oil exploration. It is moored by very flexible tendons so that surge amplitude can achieve large value. The platform hull is considered as a rigid body with six d.o.f. The total restoring stiffness plays very important role in the TLP dynamic behavior. Although there are several stiffness formulations available in the present literature, none of them is completely adequate. The issue is to define realistic centre of rotations. The consistent formulation of stiffness matrix is presented in this paper. It is derived from the general solution established for hydroelastic analysis of ship structures, as a specific case. Actually, the total TLP stiffness in dynamic analysis consists of hydrostatic hull stiffness (pressure and gravity), and conventional and geometric tendon stiffness. The new stiffness is compared to the known ones, and discrepancies are analyzed and discussed.

Tension leg platform; Restoring stiffness; Geometric stiffness

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Podaci o prilogu

94-107.

2012.

objavljeno

Podaci o matičnoj publikaciji

Zbornik radova IV Savjetovanja o morskoj tehnologiji in memoriam akademiku Zlatku Winkleru

Rožanić, Igor

Rijeka: Hrvatska akademija znanosti i umjetnosti (HAZU)

1848-3976

Podaci o skupu

Nepoznat skup

predavanje

29.02.1904-29.02.2096

Povezanost rada

Brodogradnja