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Keywords: boundary element method
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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-21-3121
... Abstract This paper presents numerical results based on the ISOPE-2020 comparative study (Sriram, et al., 2020; 2021) on steep focused waves interactions with fixed and moving cylinders. A fully nonlinear threedimensional numerical wave tank based on a high order boundary element method...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3125
...ABSTRACT ABSTRACT Boundary element method (BEM) with fully nonlinear boundary conditions is developed to simulate the interaction between an incident wave and a freely floating cylinder. The elastic mesh technique (EMT) is adopted to optimize the mesh on free surface in time domain. Auxiliary...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-684
... ABSTRACT Added wave resistance is the key parameter for estimating meteorological factor of Energy Efficiency Design Index, and is important for choosing suitable ship propulsion power. A practical numerical method, multi-domain high order boundary element method incorporated with three...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-642
... ABSTRACT We report on recent developments of a three-dimensional (3D) model for wave propagation and wave-structure interaction. The velocity field is solved with a boundary element method (BEM), based on fully non-linear potential flow. This approach is efficiently parallelized on CPU...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-129
... and the deformation of the free surface were captured by high-speed photography. On the other hand, a numerical method based on boundary element method was developed for modeling the whole process of water exit of a fully-submerged body. The numerical results were compared with experimental data and good agreements...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-117
... of freedom) added mass based on the boundary element method. For the trimaran with a forward speed (0.0< Fr ∇<3.0), the heave, pitch and displacement changes have a greater influence on the added mass of surge, sway and yaw, which are related to the maneuverability in the horizontal plane. Compared...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-193
... elements (QPE) and used the FEM to investigate various problems and the effect of QPE size to DSIFs. Dominguez (1992) used time domain boundary element method with singular quarter-point boundary elements to obtain DSIFs. Lin (1993) used the Lagrangian FDM to calculate the Chen's problem. They firstly...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-113
... Abstract The given article is dedicated to problems, bound with the solving of hydrodynamic problems by a boundary element method. The problem of hydroelastic interaction of a vessel shell with a contacting liquid (vibration of elastic design in a liquid) is esteemed. Thus the version...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-388
... Abstract A higher-order boundary element method (HOBEM) with Rankine source as the kernel function is adopted. Then, a 3D time-domain seakeeping analysis tool has been newly developed. The computational domain is rectangular and travels at ship's speed. An artificial damping beach...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-547
... Abstract A numerical model for the estimation of the first and second order motions of a LNG carrier situated over quite shallow bathymetries is proposed. The model is developed within the context of time domain, boundary element methods that make use of the transient Green functions in order...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-470
... vorticity layer potential theory vortex method convection step experimental result equation calculation method stream function boundary condition boundary amplitude free surface body surface blob diffusion renewable energy boundary element method subsea system reservoir simulation vortex...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-397
... force is investigated. heave hinged force interaction displacement continuous condition multi-body system vertical constraint force barge water depth freedom degree hinge 1 matrix amplitude boundary element method subsea system hinge 4 motion response equation motion response...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-346
... was potential flow code WAMIT, using both low-order and higher-order boundary element method. Four different low order boundary element discrete and two different higher order boundary element discrete were adopted. Corresponding model tests were also performed in the Deepwater Offshore Basin in Shanghai Jiao...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-482
... and trapping around the large-scale cylindrical array. This work is motivated by the CRP proposal for underwater space creation and utilization in Singapore coasts supported by a circular configuration of cylinders. Using boundary element method, near- trapped modes, which are quasi-resonant type responses...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-418
...Time Domain Simulation of Steady Ship Wave Problem by a Higher-Order Boundary Element Method Guanghua He and Masashi Kashiwagi Department of Naval Architecture and Ocean Engineering, Osaka University, Osaka, Japan ABSTRACT A 3-D time-domain numerical wave tank using a higher-order bound- ary...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-076
...Predictions of Fatigue Life of Steel Connections under Combined Actions Using Boundary Element Method Hong-Bo Liu and Xiao-Ling Zhao Department of Civil Engineering, Monash University Melbourne, Victoria, Australia ABSTRACT The fatigue life of girth weld is always an important issue for subsea...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-164
... upstream oil & gas near-surface velocity crest equation reservoir characterization simulation free surface boundary element method numerical wave tank Velocities Profiles and Energy Beneath Near-Breaking Waves Xavier Barthélémy(1,2), José F. Beyá(1), William L. Peirson(1), Michael Banner(2...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-002
... - liquid" is esteemed. The problem is decided correctly in hydroelastic statement. The solution is reached by numerical method by combination of a module-element method (for a complex structures) and boundary element method (for a semi-infinite liquid). The special three-dimensional module-element...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-071
...) was adopted to calculate the wave potential and the linear Bernoulli equation was used to estimate the wave force. About the numerical method, we employed the dual reciprocity boundary element method (DRBEM) to reduce the corresponding complicated domain integration. The numerical results were compared...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-440
... Since 1982 the dual reciprocity boundary element method was published by Nardini & Brebbia, it was used to solve many engineering problems successfully. However, how to choose the radial basis function is an important issue, which was discussed recently and many researches were published...

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