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Keywords: numerical calculation
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Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-441
... waves; a cage with an internal volume of 8000 m3 was installed and divided into two, four, and eight cages. The three types of cage systems are described mathematically using a mass spring model, and effects of the currents and waves were computed in the time domain. The numerical calculation results...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-478
... ABSTRACT In view of the problem that the number of meshes will be increased when the overset mesh method is used for the numerical calculation of the planing boat resistance, and additional errors will be introduced in the interpolation of the two sets of meshes, which will lead to the low...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-558
... condition of meeting the ship's energy efficiency design index (EEDI), and the calculation of wave added resistance is the key to calculate the minimum propulsive power. wave resistance calculation ship model ship head wave test result numerical calculation simulation numerical simulation...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-430
... using sectional experiment and STOC (Tomita et al., 2016). INTRODUCTION A VTB contains multiple steel pipes. To evaluate the protection performance of the VTB, it is necessary to obtain an accurate measurement of the velocity through the gap. In numerical calculations, the velocity between the gap...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-191
... solve the difficulty of numerical calculation caused by fluid great shape changes in FSI dynamic analysis, providing a significant basis for structural strength design in subsea equipment, and predicting the dynamic responses of bottom panels of subsea structure in the splash zone, which are quite...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-022
... engineering numerical calculation water depth tube element computational domain boundary condition equation construction coefficient wave pattern tube tunnel Numerical Calculation of Water Resistance of Immersed Tube Element in Towing Wei-qing LYU, Zong-quan YING CCCC Fourth Harbor Engineering...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-085
... analyses were carried out to figure out the dependency of the wave elevation on damping terms. KEY WORDS: hydrodynamic interaction; numerical calculation; model test;multi-modular semi-submersible type VLFS. INTRODUCTION The occurrence of the hydrodynamic interactions can be easily found in nowadays...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-632
... ABSTRACT In this paper, flow patterns in a circular rearing tank with three different aeration rates are investigated by gas and liquid phase flow simulations. The results of the numerical calculation in this paper are approximated in agreement with the vortex center position which is measured...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-570
... mobility parameter was decided. After several numerical calculations, the order of interface mobility parameter was identified. KEY WORDS: CO2 hydrate, lattice-Boltzman method, phase field model, hydrate growth numerical calculation INTRODUCTION As one of the methods to suppress the global warming, Carbon...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-645
... calculation tank liquid tank cao equation amplitude wamit boundary condition liquid motion frequency natural period integral equation delorme 2008 free surface potential flow model reservoir simulation investigation coefficient numerical calculation An Investigation on and...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-728
... ABSTRACT The aim of this paper is first to present an application of Anti-Roll Tanks (ARTs) for a barge shaped ship and the subsequent roll mitigation brought by these ARTs. The roll mitigation due to ARTs is demonstrated through experimental tests and numerical calculations. These numerical...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-329
... numerical calculation method. The shapes and tensions of the micro-cable are shown. A lot of practical conclusions are drawn. The dangerous cases for the ultra-long fiber optical micro-cable are highlighted to be avoided in the operations. INTRODUCTION The FOMC has been widely used in a real-time control...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-409
... conditions of pure flexure. The numerical calculation of stress-strain state of ice samples was carried out in the software system ANSYS Workbench, with using ANSYS Mechanical module. The model consists of 80160 finite elements and 89150 nodes. For ice, nonlinear finite element elements SOLID 65 in the form...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-136
... calculation contact force interaction propeller-ice interaction mesh flow field blade stress blade maximum equivalent stress curve Numerical Calculation of Propeller Strength in Ice Milling Condition Liyu Ye , Chao Wang *, Xin Chang, Shuai Su School of Shipbuilding Engineering, Harbin Engineering...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-337
... propeller rotational speed spectrum characteristic propeller ship speed frequency spectrum pressure fluctuation rotational speed numerical calculation mesh fluctuation monitoring point 0 amplitude propeller pressure fluctuation ship river-to-sea ship calculation time spectrum...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-083
... obtained from experimental data are compared to understand which type of floor shows the best damping behavior. Introduction vibration calculation viscoelastic material different configuration characteristic numerical analysis absorber material numerical calculation insertion loss...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-050
... of fluids. pressure series impact problem numerical solution flat plate time 0 pressure flooding contour water surface numerical calculation peak pressure expansion free surface snapshot numerical model atmospheric pressure compute engineering physics upstream oil & gas...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-506
... optimization objective, using viscous flow numerical method considering the free-surface and adopting the neural network approximation model instead of the time-consuming numerical calculation ,the paper has an research on the optimization of side hull location and obtains a feasible optimization method...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-499
... ABSTRACT This study examined the flow fields in a rearing tank by numerical calculation. In this calculation, we modified the numerical calculation by Shiotani et al. (2005) by assuming that flow fields are two-phase flows, and changing the boundary conditions. We numerically calculated the...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-085
... Analysis of Punch-Through by Combining Numerical Calculation and Projected Area Method Linsong Song1, Changliang Li2, Menglan Duan 2 and Tianfeng Zhao 2 1. Offshore Oil/Gas Research Center, China University of Petroleum, Beijing, China 2.China Oil Services LTD, Hebei,China ABSTRACT The spudcan...

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