... acquisition system (DAQ) design and testing, as well as environmental monitoring methods. artificial intelligence high-speed craft model design data acquisition monitoring environment smc 2022 spectrum houston elevation hull battery journal rudder accuracy environment monitoring...

..., asymmetrical mass distribution on low deadrise hulls affects heel and induces yaw moments that turn the vessel without the use of traditional aft steering mechanisms. On high deadrise hulls, maneuvering by use of a combined rudder and asymmetrical mass results in ~10% drag savings and improved stability...

... The effects of hull roughness on ship maneuvering characteristics are investigated. The hydrodynamic derivatives in the equations of motion for surface vessel maneuvering are modified to incorporate roughness of the hull and rudder. Vessel lifetime roughness profiles are postulated based...

... of the hull, propeller, and rudder. The time-scale disparity becomes extreme when the rotation of the propeller is resolved in a time-accurate manner, requiring small time-step increments relative to the seakeeping and, in particular, the maneuvering time scales. Our novel approach to the maneuvering-in-waves...

.... october 2019 marine transportation modeling & simulation wave elevation autopilot rudder model test coefficient tacoma wa fredyn quadvlieg ship wave drift force manwav maneuvering sname maritime convention smc artificial intelligence prediction A pragmatic method to simulate...

... formulation is used, which has been found to be numerically stable, robust and computationally efficient. These are all critical aspects when performing long time maneuvering simulations. The hull maneuvering, rudder and propeller forces are carefully modelled from a systems-based approach, typically used...

... Hull and strake geometries on a craft typically influence effective rudder angle during turning maneuvers. In this paper, we propose a simple yet accurate model for effective rudder angle that can be used in lumped-parameter maneuvering simulations. The model defines the effective angle...

... services artificial intelligence social responsibility us government ground transportation sustainability marine transportation renewable energy linear actuator tack controller ama communication rudder hull strips waypoint cross beam stability control flap mast arrangement center hull...

... This paper presents the results and analyses of a combined numerical-experimental study into the performance of three types of rudder to quantify the interactions between propeller, nozzle and rudder at extreme rudder angles. Conventional, flapped and triple rudders are studied numerically...

... The free vibration of a rudder is studied here by theoretical, numerical, and experimental means. The rudder is modeled as a Kirchhoff’s plate, with chord-wise sections as symmetrical aerofoils of NACA0018 section. The free vibration is also studied numerically. The results have been compared...

... rudder, propeller and stern ramp, which was extensively documented by commercial divers and a Remotely Operated Vehicle. U.S. Navy divers recovered the vessel’s rudder, GPS units and computer. The evidence obtained from the sunken vessel was systematically evaluated in conjunction with other information...

... be extracted with this simulation technique. passenger transportation modeling & simulation us government air transportation marine transportation safety board ship side force sideslip variation body axis rudder extraction heel angle turn rate load factor sideslip angle heeling...

... to thrust allocation are treated. A generalized algorithm is developed. artificial intelligence optimization problem upstream oil & gas allocation solution constraint thruster thrust region rudder thrust vector vector polyhedral thrust level inequality requirement algorithm...

... Rudder manufacturing tolerances can have an effect on rudder lift, drag, torque, cavitation, and surface erosion. An unstructured, incompressible Reynolds-averaged Navier-Stokes Computational Fluid Dynamics code, U2NCLE, is used in this study to evaluate the effects of manufacturing variations...

... to describe the tankers, and to highlight the ability of the tankers to maneuver under single failure (rudder or propeller), and multiple failure (rudder and propeller) conditions. Data will also be provided as to the likelihood of a failure instance. electrical industrial apparatus freight...

... & logistics services modeling & simulation lng liquefied natural gas gas monetization midstream oil & gas twin skeg concept lng vessel ship propeller diameter resistance efficiency single screw ship rudder route analysis cargo capacity screw ship statistics screw concept lng carrier...