규칙파중 항력을 고려한 TLP의 동적응답해석
A Dynamic Response Analysis of Tension Leg PlatformsIncluding Drag Forces in Regular Waves
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초록
For predicting the motion and structural responses of tension leg platforms(TLPs) in regular waves, a numerical scheme is introduced. The numerical approach in this paper is based on a combination of the three dimensional source distribution method and the finite element method. The hydrodynamic interactions among TLP members, such as columns and pontoons, are included in the motion and structural response analysis. The drag forces on the submerged slender members, which are proportional to the square of relative velocity, are newly included in order to estimate the responses of members with better accuracy. Comparisons with other's results verifies the works in this paper.
Abstract
For predicting the motion and structural responses of tension leg platforms(TLPs) in regular waves, a numerical scheme is introduced. The numerical approach in this paper is based on a combination of the three dimensional source distribution method and the finite element method. The hydrodynamic interactions among TLP members, such as columns and pontoons, are included in the motion and structural response analysis. The drag forces on the submerged slender members, which are proportional to the square of relative velocity, are newly included in order to estimate the responses of members with better accuracy. Comparisons with other's results verifies the works in this paper.
참고문헌 (8)
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- Jo, H.J., "Steady Drift Forces on Very Large Offshore Structures Supported by Multiple Floating Bodies in Waves (I)", Journal of SNAK, 32(4), pp.123~135 (1995)
- Kim, C.H., "A Dynamic Response Analysis of Tension Leg Platforms including Hydrodynamic Interaction in Regular Waves", Ocean Engineering, 34, pp.1680~1689 (2007)
- Yoshida, K., "Structural Response Analysis of Tension Leg Platforms", Proceedings of the Third International Offshore Mechanics and Arctic Engineering Symposium (1984), ASME