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WAVE CURRENT FORCE COEFFICIENTS ON INCLINED CYLINDER AND A NEW ESTIMATION METHOD 被引量:2
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作者 Teng Bin and Li Yucheng Research Assistant, Dalian University of Technology, Dalian Professor, Dalian University of Technology, Dalian 《China Ocean Engineering》 SCIE EI 1990年第3期283-296,共14页
Based on the review of present force coefficients estimation methods, a new method in the frequency domain, revised cross-spectrum estimation method, is presented in this paper. Some experiments on the wave-current fo... Based on the review of present force coefficients estimation methods, a new method in the frequency domain, revised cross-spectrum estimation method, is presented in this paper. Some experiments on the wave-current force on inclined cylinders are also described and the wave current force coefficients are estimated by the revised cross-spectrum estimation method. From the results, it is found that the wave and current directions have some regular effect on the coefficients. According to the results, some empirical formulas are obtained for converting the wave-current force coefficients on inclined cylinders into a unified coefficient. Comparisons show that the unified coefficients are in good agreement with other results. 展开更多
关键词 WAVE current force COEFFICIENTS ON INCLINED CYLINDER AND A NEW ESTIMATION METHOD Mean
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WAVE CURRENT FORCES ON THE PILE GROUP OF BASE FOUNDATION FOR THE EAST SEA BRIDGE, CHINA 被引量:19
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作者 LIU Shu-xue LI Yu-cheng LI Guang-wei 《Journal of Hydrodynamics》 SCIE EI CSCD 2007年第6期661-670,共10页
On the basis of the two structures of the bridge foundation designed for the East Sea Bridge, the wave current forces on four types of oblique piles, the pile group and the single piles at different positions in the p... On the basis of the two structures of the bridge foundation designed for the East Sea Bridge, the wave current forces on four types of oblique piles, the pile group and the single piles at different positions in the pile group considering the effect of the super structures were experimentally investigated. The relationship between the wave current forces and the associated wave parameters, and the comparison of the wave current forces on the pile groups and the single piles were systematically analyzed. The group effectiveness and the reduction coefficient for the wave current forces on the group were examined for engineering design. 展开更多
关键词 base foundation pile group wave current forces
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THE STATISTICAL DISTRIBUTION OF EXTREME VALUES OF WAVE-CURRENT FORCES ACTING ON SLENDER CIRCULAR CYLINDER IN IRREGULAR WAVES 被引量:2
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作者 Li Yu-cheng He Ming Dept.of Civil Engineering,Dalian Univ.of Technology,Dalian 116023,P.R.China 《Journal of Hydrodynamics》 SCIE EI CSCD 1993年第4期69-77,共9页
Based on model test,the statistical distribution of extreme values of wave- current in-line forces acting on vertical circular cylinder is analyzed in this paper.It is shown that the results calculated by the simplifi... Based on model test,the statistical distribution of extreme values of wave- current in-line forces acting on vertical circular cylinder is analyzed in this paper.It is shown that the results calculated by the simplified method,proposed by authors,agree well with the test data;Weibull distribution is also adoptable in the region of high KC number, and the shape parameter a and scale parameter β are related well with KC number respectively. 展开更多
关键词 wave force current force circular cylinder distribution of extreme values
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Eddy Currents and Electro-magnetic Forces on the Lower Hybrid Ware Launching Antenna on the Superconducting Tokamak HT-7
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作者 余家文 匡光力 +1 位作者 丁泊江 林建安 《Plasma Science and Technology》 SCIE EI CAS CSCD 2000年第3期303-309,共7页
This paper analyzes the eddy currents and the electro-magnetic forces on the lower hybrid wave (LHW) launching antenna on the superconducting Tohamak HT-7 by using a finite element circult method. A new iterative algo... This paper analyzes the eddy currents and the electro-magnetic forces on the lower hybrid wave (LHW) launching antenna on the superconducting Tohamak HT-7 by using a finite element circult method. A new iterative algorithm is developed to analyze the coupled magnetic fields Which are very difficult to be calculated. The method and results obtained are helpful to study the eddy currents and electro-magnetic forces on metal plates which are placed in a rather complicated electro-magnetic environment. 展开更多
关键词 CM Eddy currents and Electro-magnetic forces on the Lower Hybrid Ware Launching Antenna on the Superconducting Tokamak HT-7
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Numerical Simulation of Fluid Structure Interaction between Flow and Steel Pipe Pile Platform in Deep Water
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作者 Wenyue Yan Fengwu Lv 《World Journal of Engineering and Technology》 2016年第3期85-92,共9页
In this paper, the two-way coupling of flow and steel pipe pile platform is simulated by ANSYS Workbench. Taking the construction platform in the deep water area of the Yangtze River Estuary as an example, the stress ... In this paper, the two-way coupling of flow and steel pipe pile platform is simulated by ANSYS Workbench. Taking the construction platform in the deep water area of the Yangtze River Estuary as an example, the stress and deformation characteristics of the steel pipe pile platform under current force are analyzed in detail. As a result, it is suggested the platform piles should be arranged regularly and the connected node de-sign of the platform structure should be strengthened to ensure the safety. 展开更多
关键词 The Two-Way Coupling current force Pile Foundation Platform
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