Results 161 to 170 of about 105,800 (209)
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PAMM, 2004
AbstractThe ship capsizing problem is one of the major challenges in naval architecture. The criterion of the International Maritime Organization (IMO) regarding capsize stability is still not including dynamic loads. Existing mathematical models of ships taking into account all degrees of freedom as well as fluid–structure–interaction can hardly be ...
Kreuzer, E., Mestrom, R.M.C., Pick, M.A.
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AbstractThe ship capsizing problem is one of the major challenges in naval architecture. The criterion of the International Maritime Organization (IMO) regarding capsize stability is still not including dynamic loads. Existing mathematical models of ships taking into account all degrees of freedom as well as fluid–structure–interaction can hardly be ...
Kreuzer, E., Mestrom, R.M.C., Pick, M.A.
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Offshore Technology Conference, 1976
ABSTRACT When operating large ships in water depths only slightly greater than the draft, as super tankers at near-shore terminals, it is necessary to know precisely how much clearance is required for safety. Recent developments in hydrodynamics are applied to determine the motions of a ship due to waves and current
Alan C. McClure, R. Ray Nachlinger
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ABSTRACT When operating large ships in water depths only slightly greater than the draft, as super tankers at near-shore terminals, it is necessary to know precisely how much clearance is required for safety. Recent developments in hydrodynamics are applied to determine the motions of a ship due to waves and current
Alan C. McClure, R. Ray Nachlinger
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Homoclinic Phenomena in Ship Motions
Journal of Ship Research, 2017In the article will be reviewed the changes of ship motion patterns originating from a special class of phase space phenomena identified in the nonlinear dynamics literature as homoclinic (When the term appears in italic, it will imply truly homoclinic as well as heteroclinic events).
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Journal of Ship Research, 1970
The problem discussed concerns small motions of a ship, in all six degrees of freedom, but at zero speed of advance, due to an incident wave system in shallow water of depth comparable with the ship's draft. The problem is completely formulated for an arbitrary ship, and is partially solved for the case when the ship is slender and the wavelength much ...
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The problem discussed concerns small motions of a ship, in all six degrees of freedom, but at zero speed of advance, due to an incident wave system in shallow water of depth comparable with the ship's draft. The problem is completely formulated for an arbitrary ship, and is partially solved for the case when the ship is slender and the wavelength much ...
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Ship motion measurement filter design
IEEE Journal of Oceanic Engineering, 1977A procedure is presented for designing Kalman filters to measure linear and angular ship motion parameters using realistic models of the ship motion dynamics. The design is based on the state space modeling of ship motion dynamics. The designed filters exhibited significant accuracy improvement (order of magnitude) over filters which do not model ship ...
I. Weiss, T. DeVries
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Ship motion modeling and simulation in Ship Handling Simulator
2012 International Conference on Audio, Language and Image Processing, 2012For developed irregular waves, wave heights or wave amplitudes are gained using the wave spectrums. Based on the hypothesis of Froude-Krylov, ship shape is predigested box. Wave forces and moments to ship motion can be calculated. They are added in the motion mathematical models, and ship six degrees of freedom mathematical models are given.
Zhang Xiufeng +4 more
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Mechanics of sailing ship motion
Mathematica Applicanda, 2015The Author, looking into the rules defining the sailing ship efficiency, delineates a number of mathematical equations that are proved in practice to be accurate. The equation of the sailing ship efficiency in a downwind sector is similar to the curves from Wulff grid, while the equation in an windward sector is similar to the fourth degree curve, not ...
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Limiting Ship Motions for Small Ships in Heavy Seas
Ocean Engineering, 1997Abstract This paper presents two independent methodologies for defining the seakeeping performance of vessels in various sea conditions. The results of a unique series of sea trials are compared to a new time domain computer program (FREDYN) that predicts ship performance and dangerous operating conditions in extreme seas.
Grant A. Rossignol, William L. Thomas
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Evacuation from ships : account for ship motion
1999A transnational BriteEuram programme on evacuation of passengers from ships is presented. Recent disasters on ferries of the roll-on/roll-off type have led to higher requirements for safety.These requirements are formulated in terms of overall performance rather than performance of a number of isolated components.
Boer, L.C., Bles, W.
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Forces Related to Motions of Moored Ships/ Analytical Methods of Moored Ship Motions
1988The behaviour of moored ships in harbours, coastal areas or offshore is extremely complex, due to nonlinearities and dynamic effects. It is of vital importance to have methods available by which the behaviour of the moored ship can be predicted in the design stage, in order to determine the extreme loads in the worst conditions and to assess the ...
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