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Research Paper | Offshore Engineering | Saudi Arabia | Volume 8 Issue 10, October 2019 | Popularity: 6.3 / 10
Sensitivity of Wave Period on Hydrodynamics Loading of Jacket Structure
Iberahin Jusoh
Abstract: Any structure installed in the sea will experienced external loading due to the wave structure interaction. The magnitude of this external loads will depend upon many factors such as wave height, wave period, wave speed, current velocity, wave direction, water depth and etc. This paper investigates the effects of variation in wave period on hydrodynamic loading on a typical jacket structure installed in intermediate water depth. Jacket structure is modeled and input environmental parameters are subsequently used to represent the local hydrodynamics loading condition experienced by the structure. Environmental forces acting on a fixed structure installed in the sea mainly comes from wave. Wave height and wave period are two main parameters affected the magnitude of forces transferred on to the structure. In this study selected wave periods are T = 12.5 s associated to wave height, H = 16.1 m and T = 13.1 s associated to wave height, H = 16.8 m. For a jacket structure installed in an intermediate water depth, overturning moment of the structure appeared to be more sensitive to the variation in wave period.
Keywords: sensitivity study, wave period variation, jacket structure, hydrodynamic loading, structural response, base shear, overturning moment
Edition: Volume 8 Issue 10, October 2019
Pages: 1278 - 1280
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