Studies In Nonlinear Aeroelasticity

Author : Earl H. Dowell,Marat Ilgamov
Publisher : Springer Science & Business Media
Page : 469 pages
File Size : 54,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461239086

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Studies in Nonlinear Aeroelasticity by Earl H. Dowell,Marat Ilgamov Pdf

The great bulk of the literature on aeroelasticity is devoted to linear models. The oretical work relies heavily on linear mathematical concepts, and experimental results are commonly interpreted by assuming that the physical model behaves in a linear manner. Nevertheless, significant work has been done in nonlinear aero elasticity, and one may expect this trend to accelerate for several reasons: our ability to compute has increased at an astonishing rate; as linear concepts have been assimilated widely, there is a natural increase in interest in the foundations of nonlinear modeling; and, finally, some phenomena long recognized to be of interest, but beyond the effective range of linear models, are now known to be essentially nonlinear in nature. In this volume, an exhaustive review of the literature is not attempted. Rather the emphasis is on fundamental ideas and a representative selection of problems. Despite obvious successes in research on problems of aeroelasticity and the existence of a broad literature, including a number of excellent monographs, up to now little attention has been devoted to a general nonlinear theory of interac tion. For the most part nonlinearity has been considered either solely in the description of the behavior of a shell or in the description of the motion of a gas.

Author : Grigorios Dimitriadis
Publisher : John Wiley & Sons
Page : 592 pages
File Size : 55,6 Mb
Release : 2017-03-01
Category : Technology & Engineering
ISBN : 9781118756454

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Introduction to Nonlinear Aeroelasticity by Grigorios Dimitriadis Pdf

Introduces the latest developments and technologies in the area of nonlinear aeroelasticity Nonlinear aeroelasticity has become an increasingly popular research area in recent years. There have been many driving forces behind this development, increasingly flexible structures, nonlinear control laws, materials with nonlinear characteristics, etc. Introduction to Nonlinear Aeroelasticity covers the theoretical basics in nonlinear aeroelasticity and applies the theory to practical problems. As nonlinear aeroelasticity is a combined topic, necessitating expertise from different areas, the book introduces methodologies from a variety of disciplines such as nonlinear dynamics, bifurcation analysis, unsteady aerodynamics, non-smooth systems and others. The emphasis throughout is on the practical application of the theories and methods, so as to enable the reader to apply their newly acquired knowledge. Key features: Covers the major topics in nonlinear aeroelasticity, from the galloping of cables to supersonic panel flutter. Discusses nonlinear dynamics, bifurcation analysis, numerical continuation, unsteady aerodynamics and non-smooth systems. Considers the practical application of the theories and methods. Covers nonlinear dynamics, bifurcation analysis and numerical methods. Accompanied by a website hosting Matlab code. Introduction to Nonlinear Aeroelasticity is a comprehensive reference for researchers and workers in industry and is also a useful introduction to the subject for graduate and undergraduate students across engineering disciplines.

Author : Robert Clark,David Cox,Howard C. Jr. Curtiss,John W. Edwards,Kenneth C. Hall,David A. Peters,Robert Scanlan,Emil Simiu,Fernando Sisto,Thomas W. Strganac
Publisher : Springer Science & Business Media
Page : 770 pages
File Size : 49,9 Mb
Release : 2006-01-24
Category : Technology & Engineering
ISBN : 9781402021060

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A Modern Course in Aeroelasticity by Robert Clark,David Cox,Howard C. Jr. Curtiss,John W. Edwards,Kenneth C. Hall,David A. Peters,Robert Scanlan,Emil Simiu,Fernando Sisto,Thomas W. Strganac Pdf

In this new edition, the fundamental material on classical linear aeroelasticity has been revised. Also new material has been added describing recent results on the research frontiers dealing with nonlinear aeroelasticity as well as major advances in the modelling of unsteady aerodynamic flows using the methods of computational fluid dynamics and reduced order modeling techniques. New chapters on aeroelasticity in turbomachinery and aeroelasticity and the latter chapters for a more advanced course, a graduate seminar or as a reference source for an entrée to the research literature.

Author : Earl H. Dowell
Publisher : Springer Nature
Page : 828 pages
File Size : 55,7 Mb
Release : 2021-10-16
Category : Technology & Engineering
ISBN : 9783030742362

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A Modern Course in Aeroelasticity by Earl H. Dowell Pdf

This book is the sixth edition. It is suitable for one or more courses at the advanced undergraduate level and graduate level to cover the field of aeroelasticity. It is also of value to the research scholar and engineering practitioner who wish to understand the state of the art in the field. This book covers the basics of aeroelasticity or the dynamics of fluid–structure interaction. While the field began in response to the rapid development of aviation, it has now expanded into many branches of engineering and scientific disciplines and treats physical phenomena from aerospace engineering, bioengineering, civil engineering, and mechanical engineering in addition to drawing the attention of mathematicians and physicists. The basic questions addressed are dynamic stability and response of fluid structural systems as revealed by both linear and nonlinear mathematical models and correlation with experiment. The use of scaled models and full-scale experiments and tests play a key role where theory is not considered sufficiently reliable.

Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 40,9 Mb
Release : 2004
Category : Aeroelasticity
ISBN : OCLC:276800519

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A Modern Course in Aeroelasticity by Anonim Pdf

Author : E.H. Dowell,Edward F. Crawley,Howard C. Curtiss Jr.,David A. Peters,Robert H. Scanlan,Fernando Sisto
Publisher : Springer Science & Business Media
Page : 724 pages
File Size : 55,7 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401104999

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A Modern Course in Aeroelasticity by E.H. Dowell,Edward F. Crawley,Howard C. Curtiss Jr.,David A. Peters,Robert H. Scanlan,Fernando Sisto Pdf

Aeroelasticity is the study of flexible structures situated in a flowing fluid. Its modern origins are in the field of aerospace engineering, but it has now expanded to include phenomena arising in other fields such as bioengineering, civil engineering, mechanical engineering and nuclear engineering. The present volume is a teaching text for a first, and possibly second, course in aeroelasticity. It will also be useful as a reference source on the fundamentals of the subject for practitioners. In this third edition, several chapters have been revised and three new chapters added. The latter include a brief introduction to `Experimental Aeroelasticity', an overview of a frontier of research `Nonlinear Aeroelasticity', and the first connected, authoritative account of `Aeroelastic Control' in book form. The authors are drawn from a range of fields including aerospace engineering, civil engineering, mechanical engineering, rotorcraft and turbomachinery. Each author is a leading expert in the subject of his chapter and has many years of experience in consulting, research and teaching.

Author : Grigorios Dimitriadis
Publisher : John Wiley & Sons
Page : 863 pages
File Size : 45,5 Mb
Release : 2017-03-10
Category : Technology & Engineering
ISBN : 9781118756461

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Introduction to Nonlinear Aeroelasticity by Grigorios Dimitriadis Pdf

Introduction to Nonlinear Aeroelasticity Introduces the latest developments and technologies in the area of nonlinear aeroelasticity Nonlinear aeroelasticity has become an increasingly popular research area in recent years. There have been many driving forces behind this development, increasingly flexible structures, nonlinear control laws, materials with nonlinear characteristics and so on. Introduction to Nonlinear Aeroelasticity covers the theoretical basics in nonlinear aeroelasticity and applies the theory to practical problems. As nonlinear aeroelasticity is a combined topic, necessitating expertise from different areas, the book introduces methodologies from a variety of disciplines such as nonlinear dynamics, bifurcation analysis, unsteady aerodynamics, non-smooth systems and others. The emphasis throughout is on the practical application of the theories and methods, so as to enable the reader to apply their newly acquired knowledge Key features: Covers the major topics in nonlinear aeroelasticity, from the galloping of cables to supersonic panel flutter Discusses nonlinear dynamics, bifurcation analysis, numerical continuation, unsteady aerodynamics and non-smooth systems Considers the practical application of the theories and methods Covers nonlinear dynamics, bifurcation analysis and numerical methods Accompanied by a website hosting Matlab code Introduction to Nonlinear Aeroelasticity is a comprehensive reference for researchers and workers in industry and is also a useful introduction to the subject for graduate and undergraduate students across engineering disciplines.

Author : Rama B. Bhat
Publisher : CRC Press
Page : 173 pages
File Size : 55,5 Mb
Release : 2018-09-03
Category : Science
ISBN : 9781315362366

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Principles of Aeroelasticity by Rama B. Bhat Pdf

Introductory Guide on the Design of Aerospace Structures Developed from a course taught at Concordia University for more than 20 years, Principles of Aeroelasticity utilizes the author’s extensive teaching experience to immerse undergraduate and first-year graduate students into this very specialized subject. Ideal for coursework or self-study, this detailed examination introduces the concepts of aeroelasticity, describes how aircraft lift structures behave when subjected to aerodynamic loads, and finds its application in aerospace, civil, and mechanical engineering. The book begins with a discussion on static behavior, and moves on to static instability and divergence, dynamic behavior leading up to flutter, and fluid structure interaction problems. It covers classical approaches based on low-order aerodynamic models and provides a rationale for adopting certain aeroelastic models. The author describes the formulation of discrete models as well as continuous structural models. He also provides approximate methods for solving divergence, flutter, response and stability of structures, and addresses non-aeroelastic problems in other areas that are similar to aeroelastic problems. Topics covered include: The fundamentals of vibration theory Vibration of single degree of freedom and two degrees of freedom systems Elasticity in the form of an idealized spring element Repetitive motion Flutter phenomenon Classical methods, Rayleigh-Ritz techniques, Galerkin’s technique, influential coefficient methods, and finite element methods Unsteady aerodynamics, and more

Author : Harijono Djojodihardjo
Publisher : Springer Nature
Page : 1080 pages
File Size : 49,8 Mb
Release : 2023-09-03
Category : Technology & Engineering
ISBN : 9789811680786

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Introduction to Aeroelasticity by Harijono Djojodihardjo Pdf

This textbook is intended as a core text for courses on aeroelasticity or aero-elasto-mechanics for senior undergraduate/graduate programs in aerospace and mechanical engineering. The book focuses on the basic understanding of the concepts required in learning about aeroelasticity, from observation, reasoning, and understanding fundamental physical principles. Fundamental and simple mathematics will be introduced to describe the features of aeroelastic problems, and to devise simple concurrent physical and mathematical modeling. It will be accompanied by the introduction and understandings of the mechanisms that create the interactions that generate the aeroelastic phenomena considered. The students will also be led to the relation between observed phenomena, assumptions that may have to be adopted to arrive at physical and mathematical modelling, interpreting and verifying the results, and the accompanied limitations, uncertainties and inaccuracies. The students will also be introduced to combine engineering problem solving attitude and determination with simple mechanics problem-solving skills that coexist harmoniously with a useful mechanical intuition.

Author : Earl Dowell
Publisher : Springer
Page : 700 pages
File Size : 40,9 Mb
Release : 2014-10-08
Category : Technology & Engineering
ISBN : 3319094548

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A Modern Course in Aeroelasticity by Earl Dowell Pdf

This book cover the basics of aeroelasticity or the dynamics of fluid-structure interaction. While the field began in response to the rapid development of aviation, it has now expanded into many branches of engineering and scientific disciplines and treat physical phenomena from aerospace engineering, bioengineering, civil engineering, and mechanical engineering in addition to drawing the attention of mathematicians and physicists. The basic questions addressed are dynamic stability and response of fluid structural systems as revealed by both linear and nonlinear mathematical models and correlation with experiment. The use of scaled models and full scale experiments and tests play a key role where theory is not considered sufficiently reliable. In this new edition the more recent literature on nonlinear aeroelasticity has been brought up to date and the opportunity has been taken to correct the inevitable typographical errors that the authors and our readers have found to date. The early chapters of this book may be used for a first course in aeroelasticity taught at the senior undergraduate or early graduate level and the later chapters may serve as the basis for a more advanced course, a graduate research seminar or as reference to provide an entree to the current research literature.

Author : Jinsong Wang
Publisher : Springer Science & Business Media
Page : 693 pages
File Size : 40,6 Mb
Release : 2014-03-25
Category : Technology & Engineering
ISBN : 9783642542336

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Proceedings of the First Symposium on Aviation Maintenance and Management-Volume II by Jinsong Wang Pdf

Proceedings of the First Symposium on Aviation Maintenance and Management collects selected papers from the conference of ISAMM 2013 in China held in Xi’an on November 25-28, 2013. The book presents state-of-the-art studies on the aviation maintenance, test, fault diagnosis, and prognosis for the aircraft electronic and electrical systems. The selected works can help promote the development of the maintenance and test technology for the aircraft complex systems. Researchers and engineers in the fields of electrical engineering and aerospace engineering can benefit from the book. Jinsong Wang is a professor at School of Mechanical and Electronic Engineering of Northwestern Polytechnical University, China.

Author : Min Xu,Xiaomin An,Wei Kang,Guangning Li
Publisher : Walter de Gruyter GmbH & Co KG
Page : 320 pages
File Size : 41,6 Mb
Release : 2020-12-07
Category : Science
ISBN : 9783110576627

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Modern Computational Aeroelasticity by Min Xu,Xiaomin An,Wei Kang,Guangning Li Pdf

The book provides a state-of-art overview of computational methods for nonlinear aeroelasticity and load analysis, focusing on key techniques and fundamental principles for CFD/CSD coupling in temporal domain. CFD/CSD coupling software design and applications of CFD/CSD coupling techniques are discussed in detail as well. It is an essential reference for researchers and students in mechanics and applied mathematics.

Author : Earl H. Dowell
Publisher : Unknown
Page : 14 pages
File Size : 41,5 Mb
Release : 1996
Category : Aeroelasticity
ISBN : UOM:39015104975266

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Limit Cycle Oscillations (LCO) and Nonlinear Aeroelastic Wing Response by Earl H. Dowell Pdf

Limit cycle oscillations (LCO) have been observed for elastic wings at moderate to high angles of attack where separated flow is thought to occur. At transonic flow conditions with shock waves present, flow separation may occur at moderate angles of attack. For higher angles of attack, separation may occur at (low) subsonic conditions. Empirical quasi steady aerodynamic models based on steady state experimental data have shown some success in predicting the observed LCO. New theoretical aeroelastic models are proposed here to improve the prediction of LCO. Also proposed are simple, flow speed experiments to validate these theoretical models with an option for high speed experiments as well.

Author : Anonim
Publisher : Unknown
Page : 840 pages
File Size : 48,9 Mb
Release : 1979
Category : Mechanics, Applied
ISBN : UIUC:30112008993229

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Applied Mechanics Reviews by Anonim Pdf

Author : Earl H. Dowell
Publisher : Springer
Page : 0 pages
File Size : 48,9 Mb
Release : 2016-09-22
Category : Technology & Engineering
ISBN : 3319330683

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A Modern Course in Aeroelasticity by Earl H. Dowell Pdf

This book covers the basics of aeroelasticity or the dynamics of fluid-structure interaction. While the field began in response to the rapid development of aviation, it has now expanded into many branches of engineering and scientific disciplines and treat physical phenomena from aerospace engineering, bioengineering, civil engineering, and mechanical engineering in addition to drawing the attention of mathematicians and physicists. The basic questions addressed are dynamic stability and response of fluid structural systems as revealed by both linear and nonlinear mathematical models and correlation with experiment. The use of scaled models and full scale experiments and tests play a key role where theory is not considered sufficiently reliable. In this new edition the more recent literature on nonlinear aeroelasticity has been brought up to date and the opportunity has been taken to correct the inevitable typographical errors that the authors and our readers have found to date. The early chapters of this book may be used for a first course in aeroelasticity taught at the senior undergraduate or early graduate level and the later chapters may serve as the basis for a more advanced course, a graduate research seminar or as reference to provide an entree to the current research literature.