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Keywords: morison equation
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Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-130
... of potential theory with a global linear and quadratic damping matrix of hull, while the other approach focuses on the calibration using potential theory with the drag term of the Morison equation. The results indicate that the motion responses obtained from the combination of these two methods are the closest...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-327
.... For accurate numerical analysis, definition of boundary conditions is an important step in the simulation setup. The significant wave height and peak wave period were chosen as design values of 100 year return period. The simulation results of FLOW-3D are put into the Morison equation and lift equation...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-114
... aquaculture platform equation model test china government time domain mass point upstream oil & gas sub-sea system hydrodynamic force characteristic asia government engineering calculation aquaculture equipment hydrodynamic characteristic morison equation net cage cable...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3239
... focusing waves. Wave loads as calculated by Morison equation are compared to measurements. The context is the assessment of the hydrodynamic loads due to sloshing on the pump tower in LNG tanks on floating structures. The comparisons turn out to be good in all cases studied provided Morison equation...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-736
.... In the present study, with a new type of coupled feeder vessel and cages system as the object of the research, considering the environmental load and the cages dimension parameters as well as the effect on the performance of the system, the Morison equation, A new Cd determination formulation, on-site test...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-449
... force coefficient drag force coefficient coefficient equation cylinder platform wave-current load artificial intelligence hydrodynamic coefficient truss-type leg morison equation genetic algorithm engineering upstream oil & gas jack-up offshore platform offshore platform current...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-700
... Morison Equation in Practice and Its Validity Jin S Chung* ISOPE Cupertino, California, USA ABSTRACT This paper presents a practical interpretation of the hydrodynamic force equation developed based on the velocity potential. It expresses the equation in an original version of the Morison equation...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-029
... with the calculated results based on the Morison equation and pressure integral method. It shows that the method is capable of providing satisfactory predictions on the forces exerted by ISWs. Besides, it is found that the peak values of the force/moment increase linearly with the ISW's amplitude. KEY WORDS: ISWs...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-188
... and wave are calculated by using Airy wave theory and Morison equation. Then, the interaction between mooring lines and soil is also considered in this paper. A comprehensive comparison between the present model and previous result is performed and shows good agreement. The results of the parameter...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-103
... numerical simulation sustainable development pressure difference equation wec device oceanic data buoy wave condition ocean energy coefficient social responsibility morison equation renewable energy Numerical Simulations of WEC (Wave Energy Conversion) Device Used for Oceanic Data Buoys...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-342
... using wave force sensors, while the theoretical values were estimated using Morison equation. The effects of neighboring cylinders, spacing between the pipes, wave frequency and wave amplitude on the hydrodynamic coefficients of tubular cylinders were analyzed. In this study, the model cylinders were...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-098
... in 50 to 60 m deep water. The results have been compared to theoretical results generated by a simplified version of the Morison equation. The peak in-line force on a jacket substructure is found to be around 46% lower on average than the equivalent monopile. The non-dimensional wave force is found...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-550
... numerical simulation and Morison equation are presented. INTRODUCTION Submarine cylindrical structures have been extensively used today and the safety of these structures has been increasingly concerned, along with the boom of offshore industry. In harsh ocean environment, the elements...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-057
... braces running diagonally and vertically (Theckumpurath, Ding and Zhang, 2006). formulation upstream oil & gas subsea system offshore truss spar patel full slender body formulation heave different method spar platform spar proc int offshore coordinate system morison equation...
Proceedings Papers

Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-049
... of these structures. There are several methods, like Morison equation, for determining wave-induced forces but choosing an appropriate method applicable to any sea environmental condition is hard and their computation is a time-consuming affair. In the present paper, we investigated the applicability of neural...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-150
... ABSTRACT The effect of earthquake should be considered in the design of the submarine pipelines in the seismic active zone. Basing on Morison equation, the dynamic equation of free spanning submarine pipelines under seismic load is deduced with the aid of finite element model in this paper...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-160
... technical subject for developing commercial size deep seawater upwelling systems. morison equation symmetrical vortice model oscillation condition equation sarpkaya dynamic analysis circular cylinder amplitude different oscillation component cwp hydrodynamic force vortex formation...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-296
... relationship between Cd, Cm and Kc number for regular waves, irregular waves, pure waves and wave-current coexisting field can be obtained. INTRODUCTION In offshore and coastal engineering, various kinds of slender cylinder are very popularly used. So far for its loading analysis, the Morison Equation...
Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-047
... The dynamic behaviour of a tower buoy as a slender offshore structure in irregular waves is considered as a nonlinear random hydroelastic problem. It is formulated analytically by the differential equation of tower motion as a beam. Wave load is specified by a modified Morison equation...
Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-264
... of hydrodynamic excitations is chosen for this analytical study. Given the input wave characteristics, wave force and the system response, the method identifies the hydrodynamic drag and inertia coefficients from the wave force model formulated by relative-motion Morison equation. The reverse multiple-input...

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