Marine Structures
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#1Manudha T. Herath (UNSW: University of New South Wales)H-Index: 6
#2Andrew W. Phillips (DST Systems)H-Index: 2
Last. Gangadhara B Prusty (UNSW: University of New South Wales)H-Index: 8
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Abstract null null The primary objective of this paper is to present cavitation tunnel tests performed on an optimised shape-adaptive composite hydrofoil and compare the results to other composite hydrofoils. The optimised composite hydrofoil was designed based on prior literature and was manufactured using an optimised ply orientation schedule and a pre-twist. In the same experiment schedule a composite hydrofoil that has a ply orientation that is opposite to the optimised hydrofoil was also te...
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#2Jifu Zhou (CAS: Chinese Academy of Sciences)H-Index: 8
Last. Xu Wang
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Abstract null null Vortex-induced vibration (VIV) of flexible risers with both internal and external flows has received much attention recently. Hence, VIV dynamics of a fluid-conveying flexible riser subjected to external shear current is investigated. The effect of internal flow velocity and fluid density on VIV response is mainly examined and analyzed. A time domain model is introduced and elaborated. Then the finite element method is adopted to discretize the governing equations. Firstly, th...
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#1Yue HanH-Index: 3
#2Xingwei Zhen (DUT: Dalian University of Technology)H-Index: 5
Last. Yi HuangH-Index: 13
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#1Hongwang Ma (SJTU: Shanghai Jiao Tong University)
#2Zhiyue Lu (SJTU: Shanghai Jiao Tong University)
Last. Jun Yang (HKU: University of Hong Kong)
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Abstract null null In order to study the effect of typhoons on the accumulated deformation of monopile foundations for offshore wind turbines, a series of 1-g laboratory model tests with a geometrical scale of 1:100 were carried out. Through the horizontal static and cyclic loading tests of a stiff pile embedded in a medium dense sand deposit, the relationship between the accumulated rotation of the pile and the number of loading cycles under different loading conditions was obtained. The result...
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#1Fang LiH-Index: 52
#2Liangliang LuH-Index: 3
Last. Pentti KujalaH-Index: 33
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Abstract null null Ship operation and ice loading in floe ice fields have received considerable interest during recent years. There have been several numerical simulators developed by different institutes which can simulate ship navigation through floe ice fields and estimate ship performance and local ice loads. However, public data obtained from full-scale measurement covering comprehensively ship performance and ice loads under various ice thicknesses, concentrations and floe sizes are rare. ...
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#1Yangjun Ahn (SNU: Seoul National University)H-Index: 3
#2Yonghwan Kim (SNU: Seoul National University)H-Index: 19
Abstract null null Database of the sloshing model test has been mined. More than 540 terabytes experimental data have been accumulated for various cargo holds, vessels, environmental conditions, operational conditions, and experimental conditions. The database was organized, cleaned, and analyzed for the floating units larger than standard size LNG carriers or LNG fueled vessels. The selected target data was used for the machine learning to predict the model test results from the test conditions...
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#1Shan Wang (IST: Instituto Superior Técnico)H-Index: 9
#2Hafizul Islam (IST: Instituto Superior Técnico)H-Index: 5
Last. C. Guedes Soares (IST: Instituto Superior Técnico)H-Index: 87
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Abstract null null Numerical uncertainty due to discretization on the Arbitrary Lagrangian-Eulerian (ALE) Finite Element method is investigated in the study. The paper quantifies uncertainty using two ITTC recommended methods, and also applies a constant Courant-Friedrichs-Lewy (CFL) number based discretization approach, instead of performing the independent grid and time-based discretization recommended by ITTC. As a case study, water entry of a flat bottom rigid and flexible plate is simulated...
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#1Guangdong Yang (WHU: Wuhan University)H-Index: 5
#2Gaohui Wang (WHU: Wuhan University)H-Index: 18
Last. JinShuai Zhao (Jiangsu University)
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Abstract null null Recently, external terrorist activities have become one of the most influential events on structural safety because of the absence of proper mechanisms to detect these events. In this study, the effects of surface explosions on the dynamic response and blast resistance of a submarine tunnel are investigated by using a coupled Lagrange and Euler (CLE) method. The feasibility and accuracy of the numerical method and material models are verified against the experimental data. Aft...
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