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Keywords: potential theory
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Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-616
... discretization error overset method potential theory wedge computation grid size Computation of Water-entry Impact of Wedge and Ship-like Section Using Potential Theories and CFD Computations Yonghwan Kim, Kyung-Kyu Yang, Jung-Hyun Kim, Zhang Zhu Department of Naval Architecture & Ocean Engineering...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-382
... at calibrating and validating drag coefficients for the heave plate, based on a methodology developed for CALM buoys. These coefficients are intended to be used in DeepLinesTMWind, an aero-hydro-servo-elastic solver, combined with potential theory to model the floater behavior. Results show that the methodology...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-264
.... sea state upstream oil & gas subsea system potential theory model test drift coefficient mooring system drift force adjustment extreme line tension fpso simulation surge response surge motion spectra line tension wave drift force coefficient coefficient numerical model...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-335
... dynamics, it is often seen that the conventional potential theory based boundary element methods fail to produce convergent results, unless special treatments are introduced. This paper uses the Quasi Arbitrary Lagrangian-Eulerian finite element method (QALE-FEM) based on the fully nonlinear potential...
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-14-064
... Abstract A computational fluid dynamics (CFD) method has been verified and compared with potential theory approach to assess the hydrodynamic loads on a tension leg platform wind turbine (TLPWT). Floating wind turbines have the potential to increase the use of sustainable and clean wind energy...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-468
...) in time domain based on the potential theory. A robust and stable improved iterative procedure, iterative semi-implicit time integration method for floating bodies (Yan and Ma, 2007) is used for calculating the time derivative of velocity potential and floating body motion. An energy dissipation method...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-083
... ABSTRACT To evaluate the performance of membrane-type LNG Carriers under half loading conditions, simulation for coupled ship motion and sloshing has been carried out by using a newly developed time domain scheme. The external fluid field is solved by potential theory while the internal fluid...
Proceedings Papers

Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-256
.... For comparison, we independently developed a coupling scheme in the frequency domain using a sloshing code based on the linear potential theory. The hydrodynamic coefficients of the inner tanks are also obtained by a 3D panel program. The developed schemes are applied to a barge-type FPSO hull equipped with two...
Proceedings Papers

Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-120
... circular cylinder subjected to monochromatic incoming waves. The study involves waves of different steepnesses and periods. The wave elevation at various locations around the cylinder is considered. Numerical simulations of first and second order diffraction, by means of potential theory, using an industry...
Proceedings Papers

Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-278
.... For convenience, the roll damping is divided into wavemaking component and viscous component. The wave component is determined experimentally by far-field momentum method and compared with numerical results obtained from potential theory. The viscous component is estimated by extracting the wave component from...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-187
... THERMO-ELASTO-VISCOPLASTIC MODEL BASED ON THERMO-CREEP POTENTIAL THEORY Thermo-creep potential theory A thermo-elasto-viscoplastic model has been derived based on the thermo- creep potential theory. The thermo-creep potential theory is summarized as follows (1) Temperature variations induce thenual...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-286
... free surface kc number equation viscous nwt interaction potential theory cylinder outer domain grid system chaplin simulation ogilvie upstream oil & gas circular cylinder submerged circular cylinder resolution submerged body force component computational domain experiment...
Proceedings Papers

Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-102
... of forces on a hOrIzontal cylmder. Chaphn (1984) finds a sIgnIficant reductIOn m the mertla coeffiCIent Cm from ItS potentIal-theory value. (2) The reductIOn Itself rna} not have much bearmg for practIcal SItU- atIOns smce the range of A"c over whIch (2) IS effectIve IS extremely low and the effect...
Proceedings Papers

Paper presented at the The Second International Offshore and Polar Engineering Conference, June 14–19, 1992
Paper Number: ISOPE-I-92-025
..., as a result of three-dimensional potential theory, is avoided. The method is used to analyze the prying response of a simple, twin-hull structure. Results show satisfactory agreement with three-dimensional hydroelasticity, indicating that the method may be useful in preliminary design of large, slender, multi...

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