Academic literature on the topic 'Navires – Manoeuvrabilité'
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Journal articles on the topic "Navires – Manoeuvrabilité"
Cura-Hochbaum, Andrés. "On the numerical prediction of the ship’s manoeuvring behaviour." Ciencia y tecnología de buques 5, no. 9 (July 23, 2011): 27. http://dx.doi.org/10.25043/19098642.49.
Full textIslam, Md Shafiqul, Md Arafat Hasan, and A. B. M. Toufique Hasan. "Numerical Analysis of Bypass Mass Injection on Thrust Vectoring of Supersonic Nozzle." MATEC Web of Conferences 179 (2018): 03014. http://dx.doi.org/10.1051/matecconf/201817903014.
Full textStalewski, Wienczyslaw, and Katarzyna Surmacz. "Investigations of the vortex ring state on a helicopter main rotor using the URANS solver." Aircraft Engineering and Aerospace Technology 92, no. 9 (April 10, 2020): 1327–37. http://dx.doi.org/10.1108/aeat-12-2019-0264.
Full textDissertations / Theses on the topic "Navires – Manoeuvrabilité"
Marichal, Benoît. "Contribution numérique à l'étude de la manoeuvrabilité des corps élancés." Le Havre, 2001. http://www.theses.fr/2001LEHA0003.
Full textDrouet, Aurélien. "Apports de la résolution multi-blocs pour la simulation de la manoeuvrabilité des sous-marins et des bâtiments de surface." Ecole centrale de Nantes, 2011. http://www.theses.fr/2011ECDN0045.
Full textEstimating the performances of ship maneuverability is a necessary stage to guarantee the safety of the crew and of the surrounding environment. The objective of this PhD thesis is to adapt a free surface Navier-Stokes computational code in order to be used for a submarine or ship maneuverability modeling. The first chapters are dedicated to the definition of Navier-Stockes equations and their linearization and discretization that are used for the numerical scheme. Then, a brief chapter presents the different mesh topologies and advantages of using the multi-block meshing approach. The developments implemented into the code to take into account this innovating meshing topology are presented, as well as a the associated validation test cases. The overall functionabilities needed for an auto-propulled maneuvering ship are then detailed. The CPU time must be relatively low since the numerical code is dedicated to an industrial use. Hence, a description of optimization and parallelization stages performed on the initial single-block code is described. To conlude, the two last chapters present a validation test case end possible industrial applications enable by the developments performed. The validation test case is performes on a submarine (DARPA SUBOFF) on a wide range of fixed model configurations, and results are compared to experimental hydrdynamic coefficient. Possible configurations of submarine or ship maneuverability in auto-propolled and free model configurations are presented, such as turning cricle maneuver, pullout, zigzag. .
Tran, Khanh Toan. "Simulation de manœuvrabilité d’un navire, et identification des coefficients hydrodynamiques à partir des essais en mer." Compiègne, 2012. http://www.theses.fr/2012COMP2019.
Full textShip manoeuvring depends on two sets : (1) ship, propulsive system and hydrodynamic forces ; (2) influence of environmental perturbation forces (wind, current,. . ), of confined interaction (ship-bank/bottom, ship-ship,. . ) and parametric roll. The objectives of this PhD thesis focus firstly on ship manoeuvring modeling and simulation, then on preponderant hydrodynamic coefficient identification from sea trials, and finally on simulation and analysis of environmental perturbation influence and of roll
Bigi, Nedeleg. "Investigation of the dynamic motions and operability of a ship towed by kite." Thesis, Brest, 2017. http://www.theses.fr/2017BRES0133/document.
Full textIn order to reduce greenhouse gas emissions and shipping costs, the use of kites as an auxiliary propulsion device for ships is promising. In order to estimate the performance and the operability of a kite-towed vessel, a dynamic modeling of the system is implemented. A classical kite modeling is used. This model neglects the mass of the kite and assumes straight and inelastic tethers. These assumptions lead to a kinematic model depending on the lift coefficient and the aerodynamic lift to drag ration angle. A linear evolution of these aerodynamic coefficients as a function of the curvature of the flight path is proposed. In addition, by developing a quasi-analytical line model, it is shown that from 2 m.s-1 of relative wind the straight tether assumption is reasonable. Based on the tether model, an analytical criterion assessing the minimum wind speed to enable a quasi-static kite flight is developed. To solve all the interaction terms between the kite and the ship, a time domain seakeeping model based on the linearized ship equation of motion assuming a potential flow is developed. The convolution product of the impulse response of the ship is computed with state-space systems. However, since horizontal ship motions are not well represented by such theories, a coupling with a maneuvering model is presented.Comparisons to experimental data tests show good agreements. To study the interactions between the kite and the ship, a monolithic coupling and a dissociated coupling are compared. The dissociated coupling neglects the influence of ship motions on the kite flight. In a calm water case, results obtained by the two types of coupling are very close. In regular waves, ship motions are dominated by the wave influence. Thus, with the monolithic coupling, a network of low frequency subharmonic appears in the kite excitation spectrum. The fundamental frequency of the subharmonic is given by the difference between the wave frequency and the frequency of the nearest kite excitation harmonic. When this difference is small enough, a lock-in phenomenon appears. This phenomenon is a benefit for the kite and the ship when the shift of the excitation harmonics corresponds to an increase. Furthermore, a course keeping stability study shows that the rudder needs to be actively controlled
Du, Peng. "Numerical modeling and prediction of ship maneuvering and hydrodynamics during inland waterway transport." Thesis, Compiègne, 2018. http://www.theses.fr/2018COMP2459.
Full textIn this thesis, the ship hydrodynamics during inland waterway transport and ship maneuvering are investigated using CFD (Computational Fluid Dynamics) based onOpenFoam. Validation and verification studies are carried out for the mesh convergence, time step convergence, sensitivity to turbulence models and dynamic mesh techniques. A quaternion-based 6DoF motion solver is implemented for the trim and sinkage predictions. Environmental effects on several inland vessels (convoy 1, convoy 2, tanker) are studied using the validated numerical models. Three important aspects, the confinement effect of the waterway, head-on encounter and ship-bridge pile interaction are simulated. The testing conditions cover a wide range, including various channel dimensions, water depths, ship draughts and speeds. The ship resistance, wave pattern, Kelvin angle and wave elevation at specific positions are investigated as functions of these parameters. Ship maneuvering is investigated using virtual captive model tests based on the MMG (Mathematical Maneuvering Group) model. An actuator disk is implemented to replace the real propeller. Open water test, rudder force test, OTT (Oblique Towing Tank test) and CMT (Circular Motion Test) of a KVLCC2 model are carried out to obtain the hydrodynamic coefficients of the propeller, rudder and ship hull. Using the obtained coefficients, system-based maneuvering simulations are carried out and validated using the free running test data. These studies reproduce real ship tests and thus prove the validity of our numerical models. As a result, the numerical solver is promising in ship hydrodynamics and marine engineering simulations
Yang, Bo. "Numerical investigation of restricted curved waterways on ship hydrodynamics for maneuverability considerations." Electronic Thesis or Diss., Compiègne, 2023. http://www.theses.fr/2023COMP2735.
Full textInland waterway transport is now playing a significant role thanks to its various advantages over the other transportation modes, for example, low cost, low environmental pollution, and large capacity, etc. However, inland waterways are not only naturally curved but also narrow and shallow, which causes complex flow environments and navigational conditions. Inland ships are consequently susceptible to accidents in restricted curved waterways. Especially during these years, this mode of transport has seen significant progress by the arrival of the new generation of ships (larger size and more powerful), and this makes ships’ maneuverability in such sensitive waters severer. To conduct this investigation, the CFD model based on an unsteady Navier-Stokes solver in STARCCM+ is used. The verification and validation of this model are realized by respecting the ITTC recommendations. The latter is then used to perform a series of simulations by testing the following key parameters: a series of navigational environmental parameters, including channel angle, channel bottom width, channel slope angle; a set of parameters related to ship behaviors and geometry, containing water depth to draft ratio, ship speed, drift angle and ship type (ship length) on ship hydrodynamics in restricted curved fairways. Relative frame motions are applied to the computational domains to produce centrifugal force in bending fairways. The aim of the present thesis is firstly to characterize the variables connected to a circular channel's topology that have a substantial impact on a ship's maneuverability. Second, it helps to well understand the flow behaviors that occur around a ship in bending zones. Thirdly, the fluctuations in hydrodynamic force (bank cushion and suction phenomena) and the sensitivity of a number of variables in bending zones are investigated. Finally, the inland ship simulator is improved by adding the bending zone effect for pilots, so that the behaviors of ships in the sensitive regions can thus be corrected
Books on the topic "Navires – Manoeuvrabilité"
Chislett, M. S. Marine Simulation and Ship Manoeuvrability: Proceedings of the International Conference, MARSIM '96, Copenhagen, Denmark, 9-13 September 1996. CRC Press LLC, 2021.
Find full textChislett, M. S. Marine Simulation and Ship Manoeuvrability: Proceedings of the International Conference, MARSIM '96, Copenhagen, Denmark, 9-13 September 1996. CRC Press LLC, 2021.
Find full textMarine Simulation and Ship Manoeuvrability: Proceedings of the International Conference, MARSIM '96, Copenhagen, Denmark, 9-13 September 1996. CRC Press LLC, 2021.
Find full textChislett, M. S. Marine Simulation and Ship Manoeuvrability: Proceedings of the International Conference, MARSIM '96, Copenhagen, Denmark, 9-13 September 1996. CRC Press LLC, 2021.
Find full textConference papers on the topic "Navires – Manoeuvrabilité"
Zou, Lu, and Zao-jian Zou. "URANS Simulations of a Cruise Ship in Crabbing Motion." In ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/omae2021-62741.
Full textMaeda, Masateru, Toshiyuki Nakata, and Hao Liu. "An Investigation on the Issues in Modelling of Free Flight in Animal Locomotion." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-19018.
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