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| Author | : Newfoundland Oceans Research and Development Corporation |
| Publisher | : |
| Total Pages | : 38 |
| Release | : 1990 |
| Genre | : Ships |
| ISBN | : |
| Author | : Permanent International Association of Navigation Congresses. Permanent Technical Committee II. Working Group No. 20 |
| Publisher | : PIANC |
| Total Pages | : 56 |
| Release | : 1992 |
| Genre | : Harbors |
| ISBN | : 2872230408 |
| Author | : Jiancheng Liu |
| Publisher | : |
| Total Pages | : 666 |
| Release | : 2009 |
| Genre | : |
| ISBN | : |
| Author | : Jialun Liu |
| Publisher | : Springer Nature |
| Total Pages | : 252 |
| Release | : 2020-05-11 |
| Genre | : Technology & Engineering |
| ISBN | : 3030474755 |
This book demonstrates that different rudder configurations have different hydrodynamic characteristics, which are influenced by the profile, the parameters, and the specific configuration. The author proposes new regression formulas to help naval architects quickly estimate the rudder-induced forces and moments in maneuvering. Furthermore, the author proposes and validates an integrated maneuvering model for both seagoing ships and inland vessels. Using the proposed regression formulas and maneuvering model, the specific impacts of rudder configurations on inland vessel maneuverability are studied. In turn, the book demonstrates the application of Reynolds-Averaged Navier–Stokes (RANS) simulations to obtain rudder hydrodynamic characteristics, and the integration of the RANS results into maneuvering models as an accurate estimation of rudder forces and moments needed to quantify the impacts of rudder configurations on ships’ maneuvering performance. In addition, the author proposes new criteria for the prediction and evaluation of inland vessel maneuverability. Simulations of ships with various rudder configurations are presented, in order to analyze the impacts of rudder configurations on ship maneuverability in different classic and proposed test maneuvers. Offering essential guidance on the effects of rudders for inland vessel maneuverability, and helping practical engineers make informed design choices, the book is of interest to researchers and academics in the field of naval engineering, as well as students of naval architecture. Industrial practitioners working on ship design may also find it beneficial.
| Author | : A. D. Gill |
| Publisher | : |
| Total Pages | : 35 |
| Release | : 1979 |
| Genre | : Ships |
| ISBN | : |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 172 |
| Release | : 1992-02-01 |
| Genre | : Technology & Engineering |
| ISBN | : 0309043387 |
As a result of major shipping disasters on all coasts, the safety of vessel operations in U.S. ports and waterways and the effectiveness of waterway designs are under increased scrutiny. But are traditional waterway design practices that rely heavily on rules of thumb and conservatism providing adequate margins of safety while keeping the overall costs of waterway projects within the funding capabilities of local project sponsors? Shiphandling Simulation addresses how computer-based simulation can be used to improve the cost- effectiveness of waterway design while satisfying safety objectives. The book examines the role of computer simulation in improving waterway design, evaluates the adequacy of data input, explores the validity of hydrodynamic and mathematical models, assesses required and achievable accuracy of simulation results, and identifies research needed to establish shiphandling simulation as a standard design aid. Case studies of waterway design efforts employing shiphandling simulation are analyzed and lessons learned are identified.
| Author | : M.S. Chislett |
| Publisher | : Routledge |
| Total Pages | : 660 |
| Release | : 2021-10-01 |
| Genre | : Technology & Engineering |
| ISBN | : 135143361X |
Real-time, interactive ship simulators limped onto the scene, in the wake of flight simulators, some years ago. The maritime industries have a long history of conservatism, but this is now changing rapidly. The information age has also swept over ships and shipping, and has been taken to heart to such an extent that, for example, flight simulators now cooperate with ship simulators and import useful new concepts and methodologies. The more than 50 papers contained in this book show what and why. Although traditionally conservative, the marine world is also traditionally international and this has not changed. The papers in the book are by leading authors from all over the world and provide a detailed snap-shot of the rapidly advancing state-of-the-art, together with pointers to the future. The overall theme of MARSIM '96 and therefore also of this book is: Vessel manouevrability and marine simulation research, training and assessment, and includes original papers on topics such as bridge resource management, distant learning and simulators coupled via The Internet, virtual reality, neural networks, rudder-propeller hydrodynamics, prime mover models, squat in shallow water, and many more.
| Author | : M.S. Chislett |
| Publisher | : CRC Press |
| Total Pages | : 668 |
| Release | : 1996-01-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9789054108313 |
Real-time, interactive ship simulators limped onto the scene, in the wake of flight simulators, some years ago. The maritime industries have a long history of conservatism, but this is now changing rapidly. The information age has also swept over ships and shipping, and has been taken to heart to such an extent that, for example, flight simulators now cooperate with ship simulators and import useful new concepts and methodologies. The more than 50 papers contained in this book show what and why. Although traditionally conservative, the marine world is also traditionally international and this has not changed. The papers in the book are by leading authors from all over the world and provide a detailed snap-shot of the rapidly advancing state-of-the-art, together with pointers to the future. The overall theme of MARSIM '96 and therefore also of this book is: Vessel manouevrability and marine simulation research, training and assessment, and includes original papers on topics such as bridge resource management, distant learning and simulators coupled via The Internet, virtual reality, neural networks, rudder-propeller hydrodynamics, prime mover models, squat in shallow water, and many more.
| Author | : Peng Du |
| Publisher | : Nova Science Publishers |
| Total Pages | : |
| Release | : 2022 |
| Genre | : Technology & Engineering |
| ISBN | : 9781685075750 |
"In this work, ship hydrodynamics during inland waterway transport and ship maneuvering are investigated using CFD (Computational Fluid Dynamics) based on OpenFoam. 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"--
| Author | : Moshe R. Heller |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 283 |
| Release | : 2012-12-06 |
| Genre | : Computers |
| ISBN | : 3642825605 |
Welcome to Bavaria - Germany and to the First Intercontinental Maritime Simulation Symposium and Mathematical Modelling Workshop. A triennial international conference jointly pro moted by Control Data, IMSF and SCS, which takes place at Schliersee, a small town near the Alps. The aim of the Symposium is to cover most of the aspects of maritime modelling and simulation in theory and practice, to promote the exchange of knowledge and experience between dif ferent international research groups in this field, and to strengthen the international contact between developers and users of modelling and simulation techniques. On the occas~on of the Symposium people of scientific and engineering disciplines will meet to discuss the state-of-the art and future activities and developments. A large number of contributed papers has been strictly exam ined and selected by the papers committee to guarantee a high international standard. The book contains the accepted papers which will be presented at the Symposium. The papers have been classified according to the following topics: VI 1. Fifth Generation Computer Technology 2. Simulation-Software-Tools 3. An Industrial Computer System - The Chrysler Story 4. Marine Mathematical Modelling 5. CFD for Marine Vehicles 6. Navigation Methodology 7. Marine Maneuvering and Motion Simulation 8. Off-Shore Modelling 9. Steering and Control of Marine Vehicles 10. Training and Traffic Control 11. Under-Water Vehicles Operation Authors from 9 countries will meet at the Symposium.
