... not change with time, which is conducive to the implementation of ship form optimization. Havelock type frequency domain translating pulsating source integrated on the line is used to calculate the added wave resistance. The second order force of wigley ship are calculated by using frequency domain theory...

... ABSTRACT During the sailing of a trimaran, the wave resistance will be influenced by its outrigger layout and traveling speed. Compared with traditional trimaran, a variable outrigger layout trimaran will have a lower wave resistance because it can regulate its outrigger layout according...

... dawson wave resistance theoretical result model iii coefficient slender body geometry submarine free surface spheroid trim angle kozin formula ice cover submergence depth lift force magnitude length-to-diameter ratio ABSTRACT The article touches upon an unsteady...

... wave resistance rankine panel method force calculation ABSTRACT A nonlinear multi-domain method is proposed to conduct time-domain hydrodynamic analysis of ships in waves based on three-dimensional potential flow theory. The computation domain is divided into the inner domain and the outer...

...-linear hydrodynamic effects. shipbuilding coefficient resistance irregular wave wave period marine transportation wave steepness wave height wave resistance resistance coefficient sea condition artificial intelligence calculation correction coefficient simulation calculation result...

... in recent years to calculate ship motions and added wave resistance in waves. CHAPMAN R B. (1975) Hatchless container ship has been developed rapidly in recent years, and it is regared as a realistic alternative for application to conventional was the first to propose the high-speed slender body theory...

... and the distance between them depend on body length and central cross-section area. The solution is carried out using known integral and asymptotic methods. The effects of an ice sheet thickness, its lateral stress, water depth, submergence depth on wave resistance and lift force of slender body is analyzed...

... the condition of meeting the ship's energy efficiency design index (EEDI), and the calculation of wave added resistance is the key to calculate the minimum propulsive power. wave resistance calculation ship model ship head wave test result numerical calculation simulation numerical simulation...

... the water immersion volume of the main hull and the frictional resistance of the hull. The existence of the side floating body has the advantages of providing buoyancy and wave resistance. The connecting bridge increases the deck area of the hull and can arrange more cargo equipment. With better stability...

... ABSTRACT Added wave resistance is the key parameter for estimating meteorological factor of Energy Efficiency Design Index, and is important for choosing suitable ship propulsion power. A practical numerical method, multi-domain high order boundary element method incorporated with three...

... linear methods which could be implemented to find the wave inputs required to predict shoreline erosion. Thin-ship theory was decided upon and implemented to calculate wave resistance and elevation. Results show the thin-ship model to be accurate for all tested ships between Froude numbers of 0.35-0.7...

... ABSTRACT This paper delivers a preliminary comparative study on the computation of wave resistance via a commercial CFD solver (STAR-CCM+®) versus an in-house developed IGA-BEM solver for a pair of hulls, namely the parabolic Wigley hull and the KRISO container ship (KCS). The CFD solver...

...) was chosen to be the study object. Ship resistance and sea keeping performance has been studied. The ship viscous resistance was obtained by double- model theory in turbulent flow model, and wave resistance was obtained by solving the Euler equation in the ideal fluid. And based on potential flow theory...

... between perpendiculars. The original hull, which has resulted from several rounds of optimization processes, is already a good design in terms of the wave resistance at all three speeds. Besides, around 85-90% of the calm water resistance is the frictional resistance, which may not change much because...

... the effect of the angle of the bottom on the wave resistance of a load, moving on floating plate. It was shown that depending on the direction and angle of inclination of the bottom surface, the variability of the water depth can significantly increase wave resistance of a moving load. The solution...

... force will be calculated in Postresp. Fig.7 Hydrodynamic model Response Amplitude Operator (RAO) RAO of wave resistancee In the process of towing, the lower hull is subjected to the wave resistance determined by the second order average drift force which calculated by software SESAM (Cao and Li, 2013...

... Abstract Rayleigh damping is introduced into a potential flow based method in order to improve wave resistance determination. The problem is modelled using Kelvin sources with a translating speed. A dissipative 3D Green function is applied. The inclusion of Rayleigh damping removes...

... of the unconventional hull form, which guarantees ample shape changes while ensuring the fairness of the surfaces; on 3D linear Rankine sources panel method for the steady wave resistance and seakeeping problem; and on multi-objective global convergence genetic algorithms. Both global (length and demi-hull beam...

... based on sensitivity study to the added resistance. The wave resistance is also computed in order to confirm reduction of the total resistance of such ship. marine transportation chromosome amplitude coefficient sectional area curve evolutionary algorithm selection machine learning...

...’) and the wave piercing one (‘C-A’). The calm water wave resistance performances of all hulls are calculated in both deep waters and restricted waters by adopting a code based on potential theory. Moreover, a more accurate code considering water viscosity is employed to compute the responses of different types...