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Keywords: oscillation
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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-18-100
... ABSTRACT Numerical simulations are performed for the dynamic responses of two identical square cylinders in tandem arrangement oscillating separately in steady current. The results are presented based on a spacing ratio ( L/B ) ranging from 1.5 to 4 and a reduced velocity ( V r ) ranging from...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-021
... production system equation of state wave height oscillation Experimental and Numerical Examinations of Gap Resonance between Twin Oppositely Leaning Floating Barges in Proximity Bin Teng, Shu Li, Junjun Tang, Yifan Zhao State Key Laboratory of Coastal and Offshore Engineering, Dalian University...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-080
... test coefficient dissipation oscillation num frequency wave height experimental data reflection coefficient dependence resonant frequency resonance fluid modeling equation of state subsea system incident wave height energy dissipation Dissipative Effects of Resonant Waves...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-027
...The Effect of Ultrasonic Oscillations of Pipe on Fluidity of Heavy Oil Products Alexandr A. Tagiltcev and Vladimir I. Korenbaum V.I.Ilyichev Pacific Oceanologic Institute of Far Eastern Branch of Russian Academy of Science Vladivostok, Russia Department of Theoretical and Experimental Physics...
Proceedings Papers

Paper presented at the The Tenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 3–5, 2012
Paper Number: ISOPE-P-12-031
... Converter (OWEC) or Wave Energy Harnessing Breakwater (Kobayashi, 1989; Tjugen, 1993; Koutitas et. al, 2008; Zhen et. al, 2008), ) Oscillating wave surge converter (OWSC) (Whittaker et. al, 2005, 2011; Cameron et. al, 2010). OWEC MODEL Fig. 1 shows a diagram of OWEC cross-section. Working pressure h...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-059
... of the platform. The station can get sufficiently higher energy than the traditional OWC types. That is, the flow velocity through the runners is two times faster than the oscillating ocean swell, and the platform works fruitfully in acceptable response to the swell oscillation regardless of the weight...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-054
... ABSTRACT: The hydrodynamic force acting on a fin oscillating beneath a free surface is investigated. To safely utilize floating structures under severe environmental conditions in the sea, the motion of the floating body and the mooring forces acting on the body should be reduced. To decrease...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-033
... to predict power, time and a place of occurrence of earthquakes. greenwich time strainmeter stability reservoir characterization control voltage nanometer oscillation installation accuracy laser strainmeter registration seismograph tsunami deformation anomaly deformation method 5-meter...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-026
... oscillation. Therefore, large amplitude of internal wave results in large velocity near boundary hen enhances the process of erosion and affects ship maneuverability. An example of a harbor where this type of dense lower layer is present is Holland, where the bottom was defined as a region where the specific...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-037
... extensibility order derivative matrix formulation extensibility displacement oscillation stiffness stiffness matrix natural frequency The Effect of Axial Extensibility on Three-Dimensional Behavior of Tensioned Pipes/Risers Transporting Fluid Chainarong Athisakul, Tinnakorn Monprapussorn, Tawich...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-027
... ABSTRACT: Model test experiments were conducted in towing tank to measure and analyze the resonance ranges due to flow induced oscillations for circular shaped moonpool. Data analysis was conducted using ‘Empirical Mode Decomposition Method’. The natural frequency of water governs the water...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-099
... support probability oscillation calculation frequency offshore stationary platform wave action spectra wave spectrum amplitude Proceedmgs 0/ the First PacifiC/Asia Offshore Mechanics Symposium Seoul. Korea. 24·28 June. 1.990 COPYright © 1990 by The 1nternallonal Society o/Offshore and Palar...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-081
... ABSTRACT: Drag forces acting on mooring lines and viscous damping forces of a floating structure are essential to estimate a magnitude of a slow drift oscillation of semi-submersibles. In this paper a time domain calculation method of dynamic tensions of mooring chains and experimental results...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-068
... ABSTRACT: Steady lift with angle of attack and unsteady lift in heaving oscillation for some wings of low aspect ratio are studied theoretically and experimentally Measurements are compared with the numerical calculations by a lifting surface theory in which the velocity potential is expressed...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-093
... force has been approximated by the steady component at zero difference frequency. contribution oscillation transient surge motion second-order force drift force moored ship incident wave displacement time-memory function quadratic transfer function frequency surge motion initial...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-031
... Abstract: In the previous paper, we have proposed a new type of wave-energy converter using an unbalanced rotor. A rotor with a large unbalanced mass which is applied an oscillating motion, can be kept in rotation like a hula-hoop. A power generator is connected to the unbalanced rotor...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-065
... (1972). bottom friction boundary absorption incident wave barber point harbor entrance harbor horizontal velocity equation shore boundary artificial intelligence oscillation kr 0 80 numerical model upstream oil & gas wave absorber breakwater rectangular harbor friction...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-163
... ABSTRACT: The mechanism of high speed swimming of some aquatic animals such as mackerel, dolphin have not yet been fully explained. Their swimming motion IS called carangiform. The authors have understood such a motion as an oscillating wing propulsion, i.e., a combination of heaving...

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