3D Numerical Study of Hydrodynamic Forces on Surface-Piercing Inclined Marine Piles
Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICOPMAS07_156
تاریخ نمایه سازی: 14 فروردین 1385
Abstract:
Inclined pile is a structural element which is widely used in variety of structures to confront the lateral forces in marine environment. Although study of wave forces on piles dates back to few decades ago, however many of these studies mainly focused on wave interaction with vertical piles. These results then roughly extend for inclined piles. This study focus on numerical estimation of the hydrodynamic wave forces on a Surface- Piercing Inclined Marine Pile to determine the hydrodynamic coefficients. A set of tests performed on cylinders with different inclined angles in a numerical wave tank with a piston-type wave maker using Flow 3D. History of applied forces resulting from the model run and also Morison equation are used to extract hydrodynamic drag and inertia coefficients. The results showed that these coefficients are very sensitive to wave characteristics and pile inclined angles so that the tables in classical offshore texts mostly overestimate or underestimate these important factors.
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Authors
Mostafa Amini Afshar
Hormozgan University, Department of Civil Engineering
Mohammad javad Ketabdari
Amirkabir University of Technology (AUT), Faculty of Marine Technology
Sabagh Yazdi
Khaje Nasir University, Department of Civil Engineering
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