The Hydrodynamic Forces And Ship Motions In Waves
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The Hydrodynamic Forces And Ship Motions In Waves
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Author : Jan Hendrik Vugts
language : en
Publisher:
Release Date : 1970
The Hydrodynamic Forces And Ship Motions In Waves written by Jan Hendrik Vugts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Ocean waves categories.
Hydrodynamische Krachten En Scheepsbewegingen In Schuin Inkomende Golven
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Author : J. H. Vugts
language : en
Publisher:
Release Date : 1971
Hydrodynamische Krachten En Scheepsbewegingen In Schuin Inkomende Golven written by J. H. Vugts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Ocean waves categories.
The Dynamics Of Marine Craft
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Author : Edward M. Lewandowski
language : en
Publisher: World Scientific
Release Date : 2004
The Dynamics Of Marine Craft written by Edward M. Lewandowski and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Technology & Engineering categories.
This book presents a theoretical treatment, as well as a summary of practical methods of computation, of the forces and moments that act on marine craft. Its aim is to provide the tools necessary for the prediction or simulation of craft motions in calm water and in waves. In addition to developing the required equations, the author gives relations that permit at least approximate evaluation of the coefficients so that useful results can be obtained. The approach begins with the equations of motion for rigid bodies, relative to fixed- and moving-coordinate systems; then, the hydrodynamic forces are examined, starting with hydrostatics and progressing to the forces on a moving vehicle in calm water and (after a review of water-wave theory) in waves. Several detailed examples are presented, including calculations of hydrostatics, horizontal- and vertical-plane directional stability, and wave-induced motions. Also included are unique discussions on various effects, such as fin-hull interactions, numerical stability of integrators, heavy torpedoes, and the dynamics of high-speed craft. The book is intended to be an introductory-level graduate text and a reference for the practicing professional.
Time Domain Analysis Of Ship Motions And Hydrodynamic Pressures On A Ship Hull In Waves
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Author :
language : en
Publisher:
Release Date : 1998
Time Domain Analysis Of Ship Motions And Hydrodynamic Pressures On A Ship Hull In Waves written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
This paper describes the development of a three-dimensional time-domain numerical model for calculating hull pressures as well for as hydroelastic analysis of a ship hull in waves. In this work, hydrodynamic forces & pressures due to radiated & diffracted waves are expressed as convolution products of a response function with either the velocity of ship motion or the wave elevation. The method significantly reduces the need for numerical evaluation of the time-domain Green function in the convolution of memory effects. The response functions of forces & pressures of radiated & diffracted waves are obtained by numerically solving the Fredholm integral equation of the first kind. In the equations of motion, maneuvering & rudder forces, radiation & diffraction forces, and non-linear restoring & Froude-Krylov forces are taken into account. Numerical examples are presented to compare computed & measured results.
Simulation Of Hydrodynamic Forces And Motions For A Freely Maneuvering Ship In A Seaway
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Author : Kevin A. McTaggart
language : en
Publisher:
Release Date : 2005
Simulation Of Hydrodynamic Forces And Motions For A Freely Maneuvering Ship In A Seaway written by Kevin A. McTaggart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Ships categories.
Hydrodynamic Forces And Ship Motions Induced By Surges In A Navigation Lock
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Author : J.P.Th Kalkwijk
language : en
Publisher:
Release Date : 1973
Hydrodynamic Forces And Ship Motions Induced By Surges In A Navigation Lock written by J.P.Th Kalkwijk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Twenty Second Symposium On Naval Hydrodynamics
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2000-03-02
Twenty Second Symposium On Naval Hydrodynamics written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03-02 with Science categories.
The Twenty-Second Symposium on Naval Hydrodynamics was held in Washington, D.C., from August 9-14, 1998. It coincided with the 100th anniversary of the David Taylor Model Basin. This international symposium was organized jointly by the Office of Naval Research (Mechanics and Energy Conversion S&T Division), the National Research Council (Naval Studies Board), and the Naval Surface Warfare Center, Carderock Division (David Taylor Model Basin). This biennial symposium promotes the technical exchange of naval research developments of common interest to all the countries of the world. The forum encourages both formal and informal discussion of the presented papers, and the occasion provides an opportunity for direct communication between international peers.
Water Waves And Ship Hydrodynamics
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Author : A.J. Hermans
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-21
Water Waves And Ship Hydrodynamics written by A.J. Hermans and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-21 with Technology & Engineering categories.
In this book an introduction is given to aspects of water waves that play a role in ship hydrodynamics and offshore engineering. At first the equations and linearized boundary conditions are derived describing the non-viscous free surface water waves, with special attention to the combination of steady and non-steady flow fields. Then some simple kinds of free wave solutions are derived, such as plane waves and cylindrical waves. For several situations, steady and unsteady, the source singularity function is derived. These functions play a role in numerical codes used to describe the motion of ships and offshore structures. These codes are mostly based on a boundary integral formulation; therefore we give an introduction to these methods. It is shown how first order ship motions can be determined. In offshore engineering the second order wave drift motions play an important role. An introduction to this phenomenon is given and the effects which have to be taken into account are explained by means of a simple example where we can determine nearly all the aspects analytically. An interesting example that is worked out is the motion of very large floating flexible platforms with finite draft. Finally an introduction to the theory of shallow water non-linear dispersive waves is presented, and shallow water ship hydrodynamics, that plays a role in coastal areas and channels is treated. Here attention is paid to the interaction between passing ships in restricted water. In the appendix a short introduction to some of the mathematical tools is given.
Time Domain Simulation Of Wave Induced Ship Motions By A Rankine Panel Method
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Author : Junshi Wang
language : en
Publisher:
Release Date : 2016
Time Domain Simulation Of Wave Induced Ship Motions By A Rankine Panel Method written by Junshi Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
In this thesis, a numerical program has been developed to simulate the wave-induced ship motions in the time domain. Wave-body interactions have been studied for various ships and floating bodies through forced motion and free motion simulations in a wide range of wave frequencies. A three-dimensional Rankine panel method is applied to solve the boundary value problem for the wave-body interactions. The velocity potentials and normal velocities on the boundaries are obtained in the time domain by solving the mixed boundary integral equations in relation to the source and dipole distributions. The hydrodynamic forces are calculated by the integration of the instantaneous hydrodynamic pressures over the body surface. The equations of ship motion are solved simultaneously with the boundary value problem for each time step. The wave elevation is computed by applying the linear free surface conditions. A numerical damping zone is adopted to absorb the outgoing waves in order to satisfy the radiation condition for the truncated free surface. A numerical filter is applied on the free surface for the smoothing of the wave elevation. Good convergence has been reached for both forced motion simulations and free motion simulations. The computed added-mass and damping coefficients, wave exciting forces, and motion responses for ships and floating bodies are in good agreement with the numerical results from other programs and experimental data.
The Dynamics Of Marine Vehicles And Structures In Waves
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Author : Richard Evelyn Donohue Bishop
language : en
Publisher: Mechanical Engineering Publications Limited
Release Date : 1975
The Dynamics Of Marine Vehicles And Structures In Waves written by Richard Evelyn Donohue Bishop and has been published by Mechanical Engineering Publications Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Artificial islands categories.