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Keywords: amplitude
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Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-098
... of ship in waves was analyzed through Response Amplitude Operator (RAO). The values of numerical results were converted to the values of transfer function and compared with the values of experimental results of KRISO and Osaka University and the numerical results (Sadat-Hosseini et al., 2013). Figs. 3~4...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-053
.... The valve-pump system is proved to produce the surge wave precisely and delicately. The superimposition appears that the solitary waves ride on the surge wave. The surge wave acts as the deeper water for the solitary wave to propagate, which affects the amplitude of solitary waves. In the present study, two...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-090
... prediction, especially in complex conditions such as multidirectional irregular waves. In this paper, the nonlinear yawing of the barge with internal turret mooring systems in bidirectional and bichromatic waves was investigated by a second-order time-domain method. The results indicate that large-amplitude...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-013
... over a submerged ridge, laboratory experiments by using plunging wavemaker are run in the study. Laboratory results reveal that the amplitude of SWs decreases as the fluid changes from homogeneous into stratified. At the slow wavemaker speed, the wave period of SWs has a significant decrease when...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-110
... ABSTRACT The overtaking interaction of the double solitary waves over a plane slope is studied experimentally. The slope of the plane beach is 1:20. For the cases of the double solitary waves of different amplitude ratios and different relative wave crest distances, the time series...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-096
... ABSTRACT In this study, the analysis of 2DOF (2 Degree Of Freedom) motion and added resistance of a ship in regular head waves is carried out using RANS (Reynolds Averaged Navier-Stokes) approach. In order to improve the accuracy for large amplitude motions, the dynamic overset scheme...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-089
... oscillations and reduce the pressure amplitude in a tank. Higher-order frequency components of the hydrodynamic pressure in the tank gradually vanishes as the foam thickness increases. Considering the economy in practice, the thickness of the foam layer should be as small as possible, as long as the sloshing...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-086
... pitch motion equation heave motion ship length overset region breadth marine transportation calculation wavelength drag force freight & logistics services amplitude ocean engineering overset region experiment short wavelength base mesh size free surface ship engineering...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-008
... subsea system fpso reservoir simulation semi-submersible platform force coefficient column corner radius increase amplitude column rounded ratio numerical simulation vortex-induced motion corner radius circular column floating production system engineering different column corner...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-062
... lateral surfaces of the cylinder, exciting time-dependent hydrodynamic forces on the cylinder and hence the vibration. Lock-on phenomenon occurs when the vortex shedding frequency matches the natural frequency of the structure, resulting in larger amplitude response. More hydrokinetic energy is extracted...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-112
... displacement vibration small cylinder equation upstream oil & gas cylinder zhao lift coefficient amplitude diameter different diameter simulation single cylinder vortex-induced vibration frequency viv stationary cylinder Vortex-induced vibration of side-by-side dual cylinders...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-021
... numerical simulation oppositely resonance subsea system numerical result narrow gap amplitude barge experimental data resonant wave height roll motion twin oppositely resonant frequency model test incident wave fluid modeling upstream oil & gas gap resonance fpso floating...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-121
... of dolphins kick by numerical simulation, which used the FLUENT software solver and UDF dynamic mesh to simulate the dolphin during it is swimming. Three types of peak-to-peak tail motion amplitudes and frequencies are chosen to simulate. The simulation results of the thrust generated by dolphin fluke motion...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-137
... to their directionality, the sea waves and currents can approach the structures obliquely. In these cases, the fluid velocity in the axial direction of the structure is not negligible, which may have profound effect on the vortex instability and force characteristics of the structure. amplitude lift force...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-108
... and the roll damping is 21.12% larger than that. The variation of hull surface pressure and vortices shedding induced by the roll decay motion in a period are also studied. Introduction Based on assumptions of small amplitude motions and potential flow, potential theory has been well developed...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-163
... is still incomplete. numerical model seabed response nonlinearity linear wave porous seabed response amplitude wave skewness instantaneous distribution asymmetric wave zhang upstream oil & gas wave asymmetry pore pressure time series vertical profile wave-induced porous seabed...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-085
... simulation cyclic loading sassa upstream oil & gas amplitude experiment wave length seabed response dissipation pore pressure accumulation pressure accumulation computation domain engineering sekiguchi interaction current velocity liquefaction equation reservoir characterization...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-010
... achieves better precision and highlights the importance of unsaturated zone on wave propagation. coastal aquifer non-hydrostatic pressure upstream oil & gas aquifer capillarity effect amplitude parlange vertical flow boussinesq-type equation model 1 line correspond equation equation...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-076
... surface wave multiple steady-state solution wave energy bragg resonance steady-state solution ripple homotopy analysis method reservoir characterization wave system heathershaw class-i bragg resonance boundary condition resonant wave component amplitude liao interaction resonant wave...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-064
... analytically. The spatial energy distribution pattern for each mode is discussed. The wave amplitude gets the maximum at the top of ridge and decays gradually towards both sides, and the decaying rate is gentler with higher modes. A first-order approximation is derived to simplify the transcendental equation...

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