Instability Of Ship Motions In Longitudinal Waves Resulting From Nonlinear Coupling

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Instability of Ship Motions in Longitudinal Waves Resulting from Nonlinear Coupling

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Author : C. S. HSU
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Instability of Ship Motions in Longitudinal Waves Resulting from Nonlinear Coupling by : C. S. HSU

Download or read book Instability of Ship Motions in Longitudinal Waves Resulting from Nonlinear Coupling written by C. S. HSU and published by . This book was released on 1961 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was made of the effect of certain nonlinear coupling terms on the heave-pitchroll motions of a ship moving in longitudinal waves (either head or following waves). Linear damping terms were retained in the analysis because when forced ship motions under wave excitation are studied, the damping terms are essential elements of the problem. The analysis for the heave-pitch-roll system showed the existence of a type of instability such that the responses in pitch or roll may grow without bound even when the effect of damping was taken into account because of nonlinear coupling between heave and pitch and between heave and roll. This is in contrast to the results obtained from the linear theory in which, because of the presence of damping, all the responses are finite. (Author).

Instability of Ship Motions in Logitudinal Waves Resulting from Nonlinear Coupling

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Author : Jixiu Xu
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (121 download)

Book Synopsis Instability of Ship Motions in Logitudinal Waves Resulting from Nonlinear Coupling by : Jixiu Xu

Download or read book Instability of Ship Motions in Logitudinal Waves Resulting from Nonlinear Coupling written by Jixiu Xu and published by . This book was released on 1961 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis of Unstable Ship Motions Resulting from Nonlinear Coupling

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Author : Nien-Tsu Shu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)

Book Synopsis Analysis of Unstable Ship Motions Resulting from Nonlinear Coupling by : Nien-Tsu Shu

Download or read book Analysis of Unstable Ship Motions Resulting from Nonlinear Coupling written by Nien-Tsu Shu and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Shock and Vibration Environment

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Author : Wendell L. Hercules
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.E/5 ( download)

Book Synopsis Shock and Vibration Environment by : Wendell L. Hercules

Download or read book Shock and Vibration Environment written by Wendell L. Hercules and published by . This book was released on 1962 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contemporary Ideas on Ship Stability and Capsizing in Waves

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Author : Marcelo Almeida Santos Neves
Publisher : Springer Science & Business Media
ISBN 13 : 9400714823
Total Pages : 840 pages
Book Rating : 4.4/5 (7 download)

Book Synopsis Contemporary Ideas on Ship Stability and Capsizing in Waves by : Marcelo Almeida Santos Neves

Download or read book Contemporary Ideas on Ship Stability and Capsizing in Waves written by Marcelo Almeida Santos Neves and published by Springer Science & Business Media. This book was released on 2011-07-03 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last decade significant progress has been made in the field of ship stability. Yet in spite of the progress made, numerous scientific and practical challenges still exist with regard to the accurate prediction of extreme motion and capsize dynamics for intact and damaged vessels, the probabilistic nature of extreme events, criteria that properly reflect the physics and operational safety of an intact or damaged vessel, and ways to provide relevant information on safe ship handling to ship operators. This book provides a comprehensive review of the above issues through the selection of representative papers presented at the unique series of international workshops and conferences on ship stability held between 2000 and 2009. The editorial committee has selected papers for this book from the following events: STAB 2000 Conference (Launceston, Tasmania), 5th Stability Workshop (Trieste, 2001), 6th Stability Workshop (Long Island, 2002), STAB 2003 Conference (Madrid), 7th Stability Workshop (Shanghai, 2004), 8th Stability Workshop (Istanbul, 2005), STAB 2006 Conference (Rio de Janeiro), 9th Stability Workshop (Hamburg, 2007), 10th Stability Workshop (Daejeon, 2008), and STAB 2009 Conference (St. Petersburg). The papers have been clustered around the following themes: Stability Criteria, Stability of the Intact Ship, Parametric Rolling, Broaching, Nonlinear Dynamics, Roll Damping, Probabilistic Assessment of Ship Capsize, Environmental Modelling, Damaged Ship Stability, CFD Applications, Design for Safety, Naval Vessels, and Accident Investigations.

On the Unstable Rolling Motions of Ships Resulting from Nonlinear Coupling with Pitch Including the Effect of Damping in Roll

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Author : W. D. Kinney
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (121 download)

Book Synopsis On the Unstable Rolling Motions of Ships Resulting from Nonlinear Coupling with Pitch Including the Effect of Damping in Roll by : W. D. Kinney

Download or read book On the Unstable Rolling Motions of Ships Resulting from Nonlinear Coupling with Pitch Including the Effect of Damping in Roll written by W. D. Kinney and published by . This book was released on 1961 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The equations of motion for a ship pitching and rolling in a calm sea were found to be coupled by means of a second order term in the rolling equation of motion. When the pitching motion is simple harmonic the equation of motion in roll is of the Mathieu type, the two independent parameters being pitching amplitude and frequency. The stability diagram of the Mathieu equation including the effect of linear damping is determined theoretically and verified by solving the Mathieu equation on an analogue computer. In experiments with one ship model form, it was found that the transition from stable to unstable motion occurred for the value of the parameters predicted by the theory, and that the rolling motions obtained experimentally closely resembled the computer solutions. It was concluded that (1) unstable rolling motions are possible for very small pitching amplitudes, (2) when the natural frequency of pitch is twice that of roll the amplitude required to produce unstable motion is a minimum, and (3) for any pitching frequency, the greater the amount of damping, the greater the amplitude of pitching must become to produce unstable rolling motions. (Author).

Report

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Author : United States. National Bureau of Standards
Publisher :
ISBN 13 :
Total Pages : 952 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Report by : United States. National Bureau of Standards

Download or read book Report written by United States. National Bureau of Standards and published by . This book was released on 1963 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 1064 pages
Book Rating : 4.3/5 (243 download)

Book Synopsis U.S. Government Research Reports by :

Download or read book U.S. Government Research Reports written by and published by . This book was released on 1961 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technical Abstract Bulletin

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Author : Defense Documentation Center (U.S.)
Publisher :
ISBN 13 :
Total Pages : 1540 pages
Book Rating : 4.A/5 ( download)

Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)

Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1961-10 with total page 1540 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Normal Modes of Nonlinear Coupled Ship Motions and Their Stability

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Author : W. D. Kinney
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (121 download)

Book Synopsis On the Normal Modes of Nonlinear Coupled Ship Motions and Their Stability by : W. D. Kinney

Download or read book On the Normal Modes of Nonlinear Coupled Ship Motions and Their Stability written by W. D. Kinney and published by . This book was released on 1962 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of normal oscillations of a nonlinear conservative system is introduced and applied to the ship motion problem. In addition the stability of these normal modes is investigated and found to depend in general on the same parameters given in previous investigations. Since the normal oscillations represent a combined motion in the degrees of freedom concerned, an unstable mode does not necessarily imply unbounded motion in any one of the degrees of freedom. Since the system is assumed to be conservative, all displacements are necessarily finite. A knowledge of those straight normal modes which are stable is important since it is reasonable to conclude that the motion of ships in calm water will take place near those normal modes. In the absence of damping, the system is conservative, and hence the total energy of the system is a constant. This implies that all displacements and velocities must be finite. Because damping is always present, the system must ultimately reach a stable equilibrium position since energy is constantly dissipated from the system. (Author).

ACR-203: Ninth Symposium: Naval Hydrodynamic Dynamics

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Author : United States Naval Research Office
Publisher :
ISBN 13 :
Total Pages : 1140 pages
Book Rating : 4.F/5 ( download)

Book Synopsis ACR-203: Ninth Symposium: Naval Hydrodynamic Dynamics by : United States Naval Research Office

Download or read book ACR-203: Ninth Symposium: Naval Hydrodynamic Dynamics written by United States Naval Research Office and published by . This book was released on 1975 with total page 1140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Twenty-First Symposium on Naval Hydrodynamics

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Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309058791
Total Pages : 1100 pages
Book Rating : 4.3/5 (9 download)

Book Synopsis Twenty-First Symposium on Naval Hydrodynamics by : National Research Council

Download or read book Twenty-First Symposium on Naval Hydrodynamics written by National Research Council and published by National Academies Press. This book was released on 1997-09-11 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Naval Hydrodynamics

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Author :
Publisher :
ISBN 13 :
Total Pages : 1140 pages
Book Rating : 4.3/5 ( download)

Book Synopsis Naval Hydrodynamics by :

Download or read book Naval Hydrodynamics written by and published by . This book was released on 1975 with total page 1140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Naval Hydrodynamics: Unconventional ships. Ocean engineering

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Author :
Publisher :
ISBN 13 :
Total Pages : 1142 pages
Book Rating : 4.:/5 ( download)

Book Synopsis Naval Hydrodynamics: Unconventional ships. Ocean engineering by :

Download or read book Naval Hydrodynamics: Unconventional ships. Ocean engineering written by and published by . This book was released on 1975 with total page 1142 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydraulic Research in the United States

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Author :
Publisher :
ISBN 13 :
Total Pages : 674 pages
Book Rating : 4.3/5 (243 download)

Book Synopsis Hydraulic Research in the United States by :

Download or read book Hydraulic Research in the United States written by and published by . This book was released on 1961 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Twenty-Second Symposium on Naval Hydrodynamics

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Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309065372
Total Pages : 1039 pages
Book Rating : 4.3/5 (9 download)

Book Synopsis Twenty-Second Symposium on Naval Hydrodynamics by : National Research Council

Download or read book Twenty-Second Symposium on Naval Hydrodynamics written by National Research Council and published by National Academies Press. This book was released on 2000-03-02 with total page 1039 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Current Hydraulic Laboratory Research in the United States

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Author :
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.0/5 ( download)

Book Synopsis Current Hydraulic Laboratory Research in the United States by :

Download or read book Current Hydraulic Laboratory Research in the United States written by and published by . This book was released on 1964 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: