... network evolutionary algorithm month 2024 formula artificial intelligence accuracy vibration optimization problem machine learning neuron compensation algorithm sensor ship research journal cod coefficient characteristic optimization algorithm identification dimension optimization...

...Shanqin Jin; Ruosi Zha; Heather Peng; Wei Qiu; Kevin McTaggart _ Ship maneuvering performance can be predicted using various methods, including physical model tests, rapid simulations using coefficient-based forces, and high-fidelity computational fluid dynamics. This article considers...

... month 2022 prediction empirical formula engineering modeling & simulation computation procedure hull resistance accuracy asia government united kingdom government coefficient sweden government france government journal university europe government deviation resistance prediction...

... boundary by applying the method of harmonic balance. The calculation is performed with regard to the third-order yaw equation, derived from a classic sway-yaw-rudder model of ship maneuvering motions, with time-dependent coefficients at two places, which is like a Mathieu-type equation extended to third...

... europe government real time system threshold equation month 2022 detection variation coefficient united states government ship container ship sery journal proceedings validation assessment c11-class container ship hysteresis coefficient cc1 transverse stability 1 7 2022 6...

... thickness are shown in Table 4. Note that physical ice model tests used the Froude and Cauchy scaling law (Wang & Lau 2007). 4.2. Hull-ice friction coefficient The coef cient of friction between the surface of a ship model and the top surface of the model ice was measured for each ice sheet. To measure...

... drag coefficients (Cd) to compute drag forces, however the hydrodynamic force variations during the complete lowering and raising processes are never completely considered. This weak link in the overall operation leads to positional error and is generally unrecognized by the vessel operators. The risk...

... single aft step hull ventilated fence installed resistance ship research reduction ventilation upstream oil & gas cavity length resistance-to-weight ratio vent tube open trim angle wetted area united states government wetted length coefficient photograph journal single step aft...

... pressure coefficient passenger transportation wedge experiment experimental condition hydroelasticity factor wedge model keel pressure distribution drop height flexible model coefficient potentiometer calibration impact velocity discrepancy accelerometer timestep sensor research...

... correction artificial intelligence thruster dp capacity offshore structure wind force subsea system upstream oil & gas calculation time-domain simulation power consumption calculation method correction coefficient journal equation fdpso correction consumption result drilling equipment...

... proceedings contour horseshoe vortice inner iteration iteration propeller force ship research axial location velocity distribution journal coefficient Journal of Ship Research, Vol. 66, No. 4, December 2022, pp. 349 368 httpdx.doi.org/10.5957/JOSR.08200048 Numerical Study on Multiple-Blade-Rate...

... vessel maintenance safety management engine management marine engineering management month 2022 operation safety inspection application reverse management personnel ship danger coefficient ship research inspection engine research team accident china university journal safety level...

... are important, even at submergence depths of several chord lengths. Copyright 1969, The Society of Naval Architects and Marine Engineers marine transportation configuration variation ship research artificial intelligence coefficient calculation camber equation hydrofoil operation two...

... is presented which is able to predict the maneuvring behavior of push convoys in different, rigidly connected configurations (number of barges, draft of the barges, and position of the pusher) and for different water depths. The coefficients of this maneuvring model have been determined based on captive model...

... momentum [kgÁm2/s] Fz,z ¼ flux of momentum [kgÁm/sec] l ¼ cylinder liner length [m] m ¼ mass BDC ¼ bottom dead center PIV ¼ particle image velocimetry CFD ¼ computational fluid dynamics Greek letters a ¼ port angle [deg] g ¼ scavenging nonuniformity coefficient gs ¼ scavenging efficiency k ¼ deliver ratio...

...Christopher S. Thurman; J. Ryan Somero Machine learning algorithms, namely artificial neural network modeling, were used to create Prediction models for force and moment coefficients of axisymmetric bodies of revolution. These prediction models had highly nonlinear functional relationships to both...

... based on construction, coatings, operation, and maintenance for a vessel life of 25 years. These are then applied to the turning maneuver for single screw cargo ships with block coefficients from .60 to .80. The implications for naval missions are discussed. Introduction The effects of hull roughness...

... of Newman. Numerical computations are implemented for a slender modified Wigley model and the RIOS bulk carrier model. Good agreement is confirmed in a comparison with experimental data for the cross-coupling added mass and damping coefficients between heave and pitch and also for the resulting ship motions...