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Keywords: force coefficient
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Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-4155
..., the corresponding Reduced Order Method (ROM) prediction can be performed with the ROM model. The ROM predicted wind loads on the LNG carrier GALEA, including pressure distribution on the vessel surface, wind force coefficients are compared with the results from CFD simulations. The ROM results match the CFD results...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3216
.... Engineering calculations often use fixed fluid force coefficients, and do not fully consider the effect of FSI; if FSI is fully considered, it requires to do three–dimensional CFD numerical simulation. Such calculation is complicated, time–consuming, and difficult to use in engineering. As a key issue...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3224
... of model grids on the numerical simulation results were analyzed. The drag force and inertial force were separated by programming with C++, and the inertial force, drag force, velocity and acceleration curves were analyzed. The variation of drag force coefficient and inertia force coefficient under...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2125
... performance efficiency hydrodynamic performance force coefficient Hydrodynamic Analysis of Fish s Traveling Wave Based on Grid Deformation Technique Liyang Gao1, Hongde Qin1, Peng Li1,2 1 Harbin Engineering University, 2Peng Cheng Laboratory 1Harbin, Heilongjiang, China, 2Shenzhen, China ABSTRACT...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3114
... of 0.50c, 0.25c and 0 (i.e. baseline model) were investigated by detached eddy simulation at Reynold number Re = 4.5×10 5 with an angle of attack of 21 degree. The numerical simulation is able to predict the opposite effects of different wavelengths on the lift performance. The force coefficient...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-053
... in various directions, it is also crucial to identify the effect of the incident flow angle on the VIV. Therefore, this study, based on the numerical simulation, focuses on how the sectional force coefficients are coupled with wake structures according to the incident flow angle and the Reynolds number...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-273
... upstream oil & gas coefficient wetted-body model double-body model force coefficient floating production system cfd simulation tanker-type fpso hull fpso hull offshore modeling practice prediction current load coefficient model test barge-type fpso hull simulation cfd simulation result...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-321
... the hydrodynamic force on the net panel in the towing tank and suggested the formula for Cd, in which drag coefficients of circular cylinders and spheres were adopted to modify the original prediction. wave period cylinder flow velocity wave case net panel force coefficient diameter solidity...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-449
... force coefficient drag force coefficient coefficient equation cylinder platform wave-current load artificial intelligence hydrodynamic coefficient truss-type leg morison equation genetic algorithm engineering upstream oil & gas jack-up offshore platform offshore platform current...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-048
... = 50,000. CFD simulations are carried out for three different column geometries, namely circular, square and diamond. To further illustrate the vortex shedding characteristics of interaction between wakes in the array of cylinders, the results of mean drag and RMS lift force coefficients are analyzed...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-078
... ABSTRACT This paper presents the results of a part of a university research project to determine the hydrodynamic force coefficients of K-lattice jack-up leg using CFD. The so-called K-lattice leg is built up from cylindrical members and three main vertical chords, developed to be used...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-547
... motions in offshore operations. Recent work has demonstrated the importance of considering combined in-line and cross-flow motions in prediction, however semi-empirical prediction methods that rely on force coefficient databases are difficult to implement with combined in-line and cross-flow motions due...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-012
... Fourier Transform) of those forces coefficients, results show that they are composed of amplitudes of 8 times, 16 times and 24 times shaft frequency. Time-averages of predicted unsteady thrust and torque agree well with their experimental counterparts. On the other hand, CRPs' wake flow field has been...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-093
... of transition of flow patterns from two-dimensional to three-dimensional (e.g. Hall, 1984; Williamson, 1985b; Elston, Sheridan and Blackburn, 2004; Sarpkaya, 2005, 2006a, 2006b; Honji, 2006). elsevier bv reservoir surveillance zhao fluid mechanics dominant frequency force coefficient production...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-468
... ABSTRACT This paper presents the results of a research project within GustoMSC to determine the hydrodynamic force coefficients of T-rack jack-up legs using CFD. The so-called T-rack leg is built up from a cylinder and a T-shaped rack, developed to be used with a rack and pinion jacking system...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-024
... topology behind the catenary riser is strongly influenced by the degree of bending of the catenary. Furthermore, the interference between the convex and concave parts greatly modifies the wake dynamics and correspondingly changes the characteristics of hydrodynamic force coefficients along the span...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-657
... such as Reynolds or Froude are not satisfied for the drag forces. wind tunnel test numerical simulation experimental result force coefficient coefficient ocean basin test velocity profile boundary layer form drag maximum cx current load coefficient basin test bilge keel pressure distribution...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-172
... the changing from mechanical energy to electric power. natural period larger pto coefficient force increase device motion renewable energy displacement heave motion pto sustainable development different pto force coefficient anchor relative velocity cylinder motion energy device...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-071
...) and GHF 12 (dotted) hulls Fig. 4. Drag force coefficient for the S58 (continuous line), DARPA Suboff (dot-dashed), GHF 10.5 (dashed) and GHF 12 (dotted) hulls 2 Fig. 5. Yawing moment coefficient for the S58 (continuous line), DARPA Suboff (dot-dashed), GHF 10.5 (dashed) and GHF 12 (dotted) hulls The same...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-662
.... The global performances on both the rotor and the platform and their interactions are shown and discussed. wake model renewable energy coefficient fpso bem theory induction factor floating production system force coefficient experimental data wind turbine normal force coefficient free-wake...

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