Rotary Wing Structural Dynamics And Aeroelasticity
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Rotary Wing Structural Dynamics and Aeroelasticity
Author | : Richard L. Bielawa |
Publsiher | : AIAA (American Institute of Aeronautics & Astronautics) |
Total Pages | : 784 |
Release | : 2006 |
Genre | : Science |
ISBN | : STANFORD:36105114433282 |
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Drawing on his extensive experience as a practicing engineer, designer, educator, and researcher in rotorcraft, the author presents a comprehensive account of the fundamental concepts of structural dynamics and aeroelasticity for conventional rotary wing aircraft, as well as for tilt-rotor and tilt-wing concepts. Intended for use in graduate-level courses and by practicing engineers, the volume covers all of the important topics needed for the complete understanding of rotorcraft structural dynamics and aeroelasticity, including basic analysis tools, rotating beams, gyroscopic phenomena, drive system dynamics, fuselage vibrations, methods for controlling vibrations, dynamic test procedures, stability analysis, mechanical and aeromechanical instabilities of rotors and rotor-pylon assemblies, unsteady aerodynamics and flutter of rotors, and model testing. The second edition provides more up-to-date solution techniques, as well as new material that the author has developed since the first edition. New chapters address elastomeric devices, airfoil sections with an emphasis on composites, cross-over topics, and a historical perspective on the subject material. A new appendix presents basic material on composites. The text is further enhanced by the inclusion of problems in each chapter.
Introduction to Structural Dynamics and Aeroelasticity
Author | : Dewey H. Hodges,G. Alvin Pierce |
Publsiher | : Cambridge University Press |
Total Pages | : 273 |
Release | : 2011-08-22 |
Genre | : Technology & Engineering |
ISBN | : 9781139499927 |
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This text provides an introduction to structural dynamics and aeroelasticity, with an emphasis on conventional aircraft. The primary areas considered are structural dynamics, static aeroelasticity and dynamic aeroelasticity. The structural dynamics material emphasizes vibration, the modal representation and dynamic response. Aeroelastic phenomena discussed include divergence, aileron reversal, airload redistribution, unsteady aerodynamics, flutter and elastic tailoring. More than one hundred illustrations and tables help clarify the text and more than fifty problems enhance student learning. This text meets the need for an up-to-date treatment of structural dynamics and aeroelasticity for advanced undergraduate or beginning graduate aerospace engineering students.
Structural Dynamics and Aeroelasticity
Author | : Ahmed Khairy Noor,Samuel L. Venneri |
Publsiher | : Unknown |
Total Pages | : 536 |
Release | : 1993 |
Genre | : Aeroelasticity |
ISBN | : UOM:39015031774956 |
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Introduction to Structural Dynamics and Aeroelasticity
Author | : Dewey H. Hodges,G. Alvin Pierce |
Publsiher | : Cambridge University Press |
Total Pages | : 186 |
Release | : 2002-07-01 |
Genre | : Technology & Engineering |
ISBN | : 1139433911 |
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Aeroelastic and structural dynamic phenomena play an important role in many facets of engineering. In particular, an understanding of these disciplines is essential to the design of aircraft and space vehicles. This text provides an introduction to structural dynamics and aeroelasticity, with an emphasis on conventional aircraft. The primary areas considered are structural dynamics, static aeroelasticity, and dynamic aeroelasticity. The structural dynamics material emphasizes vibration, the modal representation, and dynamic response. Aeroelastic phenomena discussed include divergence, aileron reversal, airload redistribution, unsteady aerodynamics, flutter, and elastic tailoring. Both exact and approximate solution methodologies are stressed. More than one hundred illustrations and tables help clarify the text, while upwards of fifty problems enhance student learning.
Principles of Aeroelasticity
Author | : Rama B. Bhat |
Publsiher | : CRC Press |
Total Pages | : 173 |
Release | : 2018-09-03 |
Genre | : Science |
ISBN | : 9781315362366 |
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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
Introduction to Aircraft Aeroelasticity and Loads
Author | : Jan R. Wright,Jonathan Edward Cooper |
Publsiher | : John Wiley & Sons |
Total Pages | : 576 |
Release | : 2014-12-16 |
Genre | : Technology & Engineering |
ISBN | : 9781118700426 |
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Introduction to Aircraft Aeroelasticity and Loads, SecondEdition is an updated new edition offering comprehensivecoverage of the main principles of aircraft aeroelasticity andloads. For ease of reference, the book is divided into three partsand begins by reviewing the underlying disciplines of vibrations,aerodynamics, loads and control, and then goes on to describesimplified models to illustrate aeroelastic behaviour and aircraftresponse and loads for the flexible aircraft before introducingsome more advanced methodologies. Finally, it explains howindustrial certification requirements for aeroelasticity and loadsmay be met and relates these to the earlier theoretical approachesused. Key features of this new edition include: Uses a unified simple aeroelastic model throughout thebook Major revisions to chapters on aeroelasticity Updates and reorganisation of chapters involving FiniteElements Some reorganisation of loads material Updates on certification requirements Accompanied by a website containing a solutions manual, andMATLAB® and SIMULINK® programs that relate to the modelsused For instructors who recommend this textbook, a series oflecture slides are also available Introduction to Aircraft Aeroelasticity and Loads, SecondEdition is a must-have reference for researchers andpractitioners working in the aeroelasticity and loads fields, andis also an excellent textbook for senior undergraduate and graduatestudents in aerospace engineering.
Dynamics and Aeroelasticity of Composite Structures
Author | : John Dugundji |
Publsiher | : Unknown |
Total Pages | : 40 |
Release | : 1986 |
Genre | : Aeroelasticity |
ISBN | : UVA:X004946005 |
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An analytical and experimental investigation was made of the aeroelastic flutter and divergence behavior of graphite/ epoxy forward swept wings with rigid body pitch and plunge freedoms present. A complete, two-sided 30-degree forward swept wing aircraft model was constructed and mounted with low friction bearing in a low speed wind tunnel. Four different ply layup wings could be interchanged on the model, namely, [02/90] s', [15/2/0]s', [30/2/0]s', and [-152/0]s'. Wind tunnel tests on the "free" flying models revealed body freedom flutter, bending torsion flutter, and a support dynamic instability which could be eliminated by proper adjustment of the support stiffness. Good agreement with linear theory was found for the observed instabilities
An Introduction to the Theory of Aeroelasticity
Author | : Y C Fung |
Publsiher | : Courier Dover Publications |
Total Pages | : 516 |
Release | : 2008-10-17 |
Genre | : Technology & Engineering |
ISBN | : 9780486469362 |
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Geared toward advanced undergraduates and graduate students, this outstanding text surveys aeroelastic problems, their historical background, basic physical concepts, and the principles of analysis.