Nonlinear Instability And Inertial Coupling Effects

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Nonlinear Instability and Inertial Coupling Effects

Author : Shaojie Tang
Publisher :
ISBN 13 : 9781732632301
Total Pages : 472 pages
Book Rating : 4.6/5 (323 download)

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Book Synopsis Nonlinear Instability and Inertial Coupling Effects by : Shaojie Tang

Download or read book Nonlinear Instability and Inertial Coupling Effects written by Shaojie Tang and published by . This book was released on 2018-11-08 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a new scientific discovery about the nonlinear instability and inertial coupling effects for aircrafts, land vehicles, and ships. It focuses on the dynamic instability and inertial couplings of the rotational motions of these vehicles and provides analytical solutions for the nonlinear governing equations without linearization. A nonlinear stability theorem is proven analytically, numerically, and experimentally. The threshold for the nonlinear instability is given. The book covers topics such as the fundamental mistakes in automotive, aviation, and naval architecture industries; energy flow patterns of aircrafts, ships, land vehicles, and rigid body torque-free motion; the nonlinear solution of vehicle dynamics; nonlinear instabilities and inertial coupling effects of ships, aircrafts, and land vehicles. It reveals the mechanism of broaching and capsizing of ships; a phase locked-in phenomenon for ships; Dutch roll, wing rock, Pilot-Induced-Oscillation, and upset of aircrafts including un-commanded roll, pitch, and yaw; and rollover of land vehicles. The unique feature of this book is to provide scientific analyses and explanations for the root causes for two aircraft incidents and 16 aircraft crashes based on their FDR data, for two Ro/Ro ship capsizes, two cruise ship capsizes. An inertial coupling factor is proposed to measure the effect of the inertial coupling. A dynamic stability factor is proposed to indicate how dynamically stable a vehicle is. This book provides evidences based on the analytical analyses, the numerical simulations, the physical experiments, and the highway fatality data to prove that the Anti-Brake System and Electronic Stability Control cause more rollovers and fatalities. The autopilot of aircrafts is proven to cause some nonlinear instabilities and crashes. Three recipes for aircraft crashes during takeoff, landing approach, and cruise leveling are given. A mechanical demonstrator is also given.

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

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

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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).

NASA Workshop on Distributed Parameter Modeling and Control of Flexible Aerospace Systems

Author :
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis NASA Workshop on Distributed Parameter Modeling and Control of Flexible Aerospace Systems by :

Download or read book NASA Workshop on Distributed Parameter Modeling and Control of Flexible Aerospace Systems written by and published by . This book was released on 1994 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Technical Note

Author :
Publisher :
ISBN 13 :
Total Pages : 724 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Technical Note by :

Download or read book NASA Technical Note written by and published by . This book was released on 1976 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of the Ionosphere on Communication, Navigation, and Surveillance Systems

Author : John M. Goodman
Publisher :
ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis The Effect of the Ionosphere on Communication, Navigation, and Surveillance Systems by : John M. Goodman

Download or read book The Effect of the Ionosphere on Communication, Navigation, and Surveillance Systems written by John M. Goodman and published by . This book was released on 1988 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Analog Simulation of Aircraft Stability and Control Using Non-Linear Equations of Motion

Author : Thomas Cameron Simon
Publisher :
ISBN 13 :
Total Pages : 87 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis An Analog Simulation of Aircraft Stability and Control Using Non-Linear Equations of Motion by : Thomas Cameron Simon

Download or read book An Analog Simulation of Aircraft Stability and Control Using Non-Linear Equations of Motion written by Thomas Cameron Simon and published by . This book was released on 1969 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was made to determine the feasibility of programing an analog simulation of aircraft stability on a general-purpose analog computer using non-linear differential equations. The simulation was to demonstrate the effects of inertial cross-coupling. An F-4 aircraft was simulated at two different reference flight conditions using the equations derived in the study. (Author).

Airplane Stability and Control

Author : Malcolm J. Abzug
Publisher : Cambridge University Press
ISBN 13 : 1107320194
Total Pages : 417 pages
Book Rating : 4.1/5 (73 download)

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Book Synopsis Airplane Stability and Control by : Malcolm J. Abzug

Download or read book Airplane Stability and Control written by Malcolm J. Abzug and published by Cambridge University Press. This book was released on 2002-09-23 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the early machines to today's sophisticated aircraft, stability and control have always been crucial considerations. In this second edition, Abzug and Larrabee again forge through the history of aviation technologies to present an informal history of the personalities and the events, the art and the science of airplane stability and control. The book includes never-before-available impressions of those active in the field, from pre-Wright brothers airplane and glider builders through to contemporary aircraft designers. Arranged thematically, the book deals with early developments, research centers, the effects of power on stability and control, the discovery of inertial coupling, the challenge of stealth aerodynamics, a look toward the future, and much more. It is profusely illustrated with photographs and figures, and includes brief biographies of noted stability and control figures along with a core bibliography. Professionals, students, and aviation enthusiasts alike will appreciate this readable history of airplane stability and control.

Mechanical Instability

Author : Tomasz Krysinski
Publisher : John Wiley & Sons
ISBN 13 : 1118600959
Total Pages : 282 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Mechanical Instability by : Tomasz Krysinski

Download or read book Mechanical Instability written by Tomasz Krysinski and published by John Wiley & Sons. This book was released on 2013-02-07 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a study of the stability of mechanical systems, i.e. their free response when they are removed from their position of equilibrium after a temporary disturbance. After reviewing the main analytical methods of the dynamical stability of systems, it highlights the fundamental difference in nature between the phenomena of forced resonance vibration of mechanical systems subjected to an imposed excitation and instabilities that characterize their free response. It specifically develops instabilities arising from the rotor–structure coupling, instability of control systems, the self-sustained instabilities associated with the presence of internal damping and instabilities related to the fluid–structure coupling for fixed and rotating structures. For an original approach following the analysis of instability phenomena, the book provides examples of solutions obtained by passive or active methods.

Linear and Nonlinear Structural Mechanics

Author : Ali H. Nayfeh
Publisher : John Wiley & Sons
ISBN 13 : 3527617574
Total Pages : 763 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Linear and Nonlinear Structural Mechanics by : Ali H. Nayfeh

Download or read book Linear and Nonlinear Structural Mechanics written by Ali H. Nayfeh and published by John Wiley & Sons. This book was released on 2008-07-11 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: * Explains the physical meaning of linear and nonlinear structural mechanics. * Shows how to perform nonlinear structural analysis. * Points out important nonlinear structural dynamics behaviors. * Provides ready-to-use governing equations.

Nonlinear Vibrations and Stability of Shells and Plates

Author : Marco Amabili
Publisher : Cambridge University Press
ISBN 13 : 1139469029
Total Pages : 391 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Nonlinear Vibrations and Stability of Shells and Plates by : Marco Amabili

Download or read book Nonlinear Vibrations and Stability of Shells and Plates written by Marco Amabili and published by Cambridge University Press. This book was released on 2008-01-14 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book explores both theoretical and experimental aspects of nonlinear vibrations and stability of shells and plates. It is ideal for researchers, professionals, students, and instructors. Expert researchers will find the most recent progresses in nonlinear vibrations and stability of shells and plates, including advanced problems of shells with fluid-structure interaction. Professionals will find many practical concepts, diagrams, and numerical results, useful for the design of shells and plates made of traditional and advanced materials. They will be able to understand complex phenomena such as dynamic instability, bifurcations, and chaos, without needing an extensive mathematical background. Graduate students will find (i) a complete text on nonlinear mechanics of shells and plates, collecting almost all the available theories in a simple form, (ii) an introduction to nonlinear dynamics, and (iii) the state of art on the nonlinear vibrations and stability of shells and plates, including fluid-structure interaction problems.

Stochastic Structural Dynamics

Author : T. Ariaratnam
Publisher : CRC Press
ISBN 13 : 1000152979
Total Pages : 408 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis Stochastic Structural Dynamics by : T. Ariaratnam

Download or read book Stochastic Structural Dynamics written by T. Ariaratnam and published by CRC Press. This book was released on 2020-12-18 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a series of original contributions in the area of Stochastic Dynamics, which demonstrates the impact of Mike Lin's research and teaching in the area of random vibration and structural dynamics.

A Theoretical and Observational Study of Inertial Instability and Nonlinear Balance

Author : John Andrew Knox
Publisher :
ISBN 13 :
Total Pages : 434 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis A Theoretical and Observational Study of Inertial Instability and Nonlinear Balance by : John Andrew Knox

Download or read book A Theoretical and Observational Study of Inertial Instability and Nonlinear Balance written by John Andrew Knox and published by . This book was released on 1996 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamental Studies of Shock-Driven Hydrodynamic Instabilities

Author : Yu Liang
Publisher : Springer Nature
ISBN 13 : 9811929920
Total Pages : 201 pages
Book Rating : 4.8/5 (119 download)

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Book Synopsis Fundamental Studies of Shock-Driven Hydrodynamic Instabilities by : Yu Liang

Download or read book Fundamental Studies of Shock-Driven Hydrodynamic Instabilities written by Yu Liang and published by Springer Nature. This book was released on 2022-09-09 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book illustrates the latest progress on the hydrodynamic instabilities induced by a shock wave, particularly RM (Richtmyer–Meshkov) instability. The hydrodynamic instabilities play crucial roles in various industrial and scientific fields, such as inertial confinement fusion, supersonic combustion, supernova explosion, etc. This book experimentally and theoretically explores the shock-driven instabilities of complex gas-gas and gas-liquid interfaces. The main difficulty in performing an experimental study on RM instability, especially in a shock-tube circumstance, lies in creating an idealized initial interface because the RM instability is extremely sensitive to the initial condition. This book introduces new experimental methods to generate shape-controllable two-dimensional gaseous interfaces, thickness-controllable gas layers, and water droplets embedded with a vapour bubble in the shock-tube experiments. It covers the latest experiments and theories on the shock-driven hydrodynamic instabilities of multi-mode, multi-layer, and multi-phase interfaces. It explores the effects of the mode-competition, interface-coupling, and phase-transition on interface evolution, respectively. This book establishes a universal nonlinear theory to predict the RM instability of a shocked multi-mode interface based on spectrum analysis. This book quantifies the effects of interface-coupling and reverberating waves on the hydrodynamic instabilities of a shocked multi-layer interface. This book provides the experimental studies of the interaction of a shock wave and a multi-phase droplet and proposes a modified Rayleigh-Plesset equation to predict the vapour bubble collapse inside a droplet.

A Collection of Technical Papers

Author :
Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis A Collection of Technical Papers by :

Download or read book A Collection of Technical Papers written by and published by . This book was released on 1991 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Perspectives in Dynamical Systems III: Control and Stability

Author : Jan Awrejcewicz
Publisher : Springer Nature
ISBN 13 : 3030773140
Total Pages : 355 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Perspectives in Dynamical Systems III: Control and Stability by : Jan Awrejcewicz

Download or read book Perspectives in Dynamical Systems III: Control and Stability written by Jan Awrejcewicz and published by Springer Nature. This book was released on 2021-12-14 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is part of collection of contributions devoted to analytical and experimental techniques of dynamical systems, presented at the 15th International Conference “Dynamical Systems: Theory and Applications”, held in Łódź, Poland on December 2-5, 2019. The wide selection of material has been divided into three volumes, each focusing on a different field of applications of dynamical systems. The broadly outlined focus of both the conference and these books includes bifurcations and chaos in dynamical systems, asymptotic methods in nonlinear dynamics, dynamics in life sciences and bioengineering, original numerical methods of vibration analysis, control in dynamical systems, optimization problems in applied sciences, stability of dynamical systems, experimental and industrial studies, vibrations of lumped and continuous systems, non-smooth systems, engineering systems and differential equations, mathematical approaches to dynamical systems, and mechatronics.

Nonlinear Processes in Geophysics

Author :
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Nonlinear Processes in Geophysics by :

Download or read book Nonlinear Processes in Geophysics written by and published by . This book was released on 1996 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrodynamic Instabilities and Turbulence

Author : Ye Zhou
Publisher : Cambridge University Press
ISBN 13 : 1108489648
Total Pages : 611 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Hydrodynamic Instabilities and Turbulence by : Ye Zhou

Download or read book Hydrodynamic Instabilities and Turbulence written by Ye Zhou and published by Cambridge University Press. This book was released on 2024-05-31 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first comprehensive reference guide to turbulent mixing driven by Rayleigh-Taylor, Richtmyer-Meshkov and Kelvin-Helmholtz instabilities.