Structural Dynamics And Vibrations Of Damped Aircraft Type Structures
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Structural Dynamics And Vibrations Of Damped Aircraft Type Structures
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2018-11-14
Structural Dynamics And Vibrations Of Damped Aircraft Type Structures written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-14 with Science categories.
Engineering preliminary design methods for approximating and predicting the effects of viscous or equivalent viscous-type damping treatments on the free and forced vibration of lightly damped aircraft-type structures are developed. Similar developments are presented for dynamic hysteresis viscoelastic-type damping treatments. It is shown by both engineering analysis and numerical illustrations that the intermodal coupling of the undamped modes arising from the introduction of damping may be neglected in applying these preliminary design methods, except when dissimilar modes of these lightly damped, complex aircraft-type structures have identical or nearly identical natural frequencies. In such cases, it is shown that a relatively simple, additional interaction calculation between pairs of modes exhibiting this 'modal response' phenomenon suffices in the prediction of interacting modal damping fractions. The accuracy of the methods is shown to be very good to excellent, depending on the normal natural frequency separation of the system modes, thereby permitting a relatively simple preliminary design approach. This approach is shown to be a natural precursor to elaborate finite element, digital computer design computations in evaluating the type, quantity, and location of damping treatment. Young, Maurice I. Unspecified Center AIRCRAFT DESIGN; AIRFRAMES; DYNAMIC STRUCTURAL ANALYSIS; RESONANT FREQUENCIES; VIBRATION DAMPING; VISCOUS DAMPING; DYNAMIC RESPONSE; FINITE ELEMENT METHOD; FORCED VIBRATION; FREE VIBRATION; HYSTERESIS; MODAL RESPONSE...
Structural Dynamics And Vibrations Of Damped Aircraft Type Structures
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Author : Maurice I. Young
language : en
Publisher:
Release Date : 1992
Structural Dynamics And Vibrations Of Damped Aircraft Type Structures written by Maurice I. Young and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
A Historical Overview Of Aeroelasticity Branch And Transonic Dynamics Tunnel Contributions To Rotorcraft Technology And Development
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Author :
language : en
Publisher: DIANE Publishing
Release Date : 2001
A Historical Overview Of Aeroelasticity Branch And Transonic Dynamics Tunnel Contributions To Rotorcraft Technology And Development written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1993
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aeronautics categories.
The Shock And Vibration Digest
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Author :
language : en
Publisher:
Release Date : 1992
The Shock And Vibration Digest written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Shock (Mechanics) categories.
Structural Dynamics And Vibration In Practice
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Author : Douglas Thorby
language : en
Publisher: Butterworth-Heinemann
Release Date : 2008-01-08
Structural Dynamics And Vibration In Practice written by Douglas Thorby and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-08 with Technology & Engineering categories.
This straightforward text, primer and reference introduces the theoretical, testing and control aspects of structural dynamics and vibration, as practised in industry today. Written by an expert engineer of over 40 years experience, the book comprehensively opens up the dynamic behavior of structures and provides engineers and students with a comprehensive practice based understanding of the key aspects of this key engineering topic. Written with the needs of engineers of a wide range of backgrounds in mind, this book will be a key resource for those studying structural dynamics and vibration at undergraduate level for the first time in aeronautical, mechanical, civil and automotive engineering. It will be ideal for laboratory classes and as a primer for readers returning to the subject, or coming to it fresh at graduate level. It is a guide for students to keep and for practicing engineers to refer to: its worked example approach ensures that engineers will turn to Thorby for advice in many engineering situations. - Presents students and practitioners in all branches of engineering with a unique structural dynamics resource and primer, covering practical approaches to vibration engineering while remaining grounded in the theory of the topic - Written by a leading industry expert, with a worked example lead approach for clarity and ease of understanding - Makes the topic as easy to read as possible, omitting no steps in the development of the subject; covers computer based techniques and finite elements
Nasa Contractor Report
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Author :
language : en
Publisher:
Release Date : 1992
Nasa Contractor Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Aeronautics categories.
Structural Dynamics And Control Interaction Of Flexible Structures
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Author : Robert Samuel Ryan
language : en
Publisher:
Release Date : 1987
Structural Dynamics And Control Interaction Of Flexible Structures written by Robert Samuel Ryan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Astrodynamics categories.
Structural Dynamics
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Author : Yong Bai
language : en
Publisher: John Wiley & Sons
Release Date : 2019-07-01
Structural Dynamics written by Yong Bai and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-01 with Technology & Engineering categories.
Written by two experts across multiple disciplines, this is the perfect reference on structural dynamics for veteran engineers and introduction to the field for engineering students. Across many disciplines of engineering, dynamic problems of structures are a primary concern. Civil engineers, mechanical engineers, aircraft engineers, ocean engineers, and engineering students encounter these problems every day, and it is up to them systematically to grasp the basic concepts, calculation principles and calculation methods of structural dynamics. This book focuses on the basic theories and concepts, as well as the application and background of theories and concepts in engineering. Since the basic principles and methods of dynamics are applied to other various engineering fields, this book can also be used as a reference for practicing engineers in the field across many multiple disciplines and for undergraduate and graduate students in other majors as well. The main contents include basic theory of dynamics, establishment of equation of motion, single degree of freedom systems, multi-degree of freedom systems, distributed-parameter systems, stochastic structural vibrations, research projects of structural dynamics, and structural dynamics of marine pipeline and risers. Whether for the veteran engineer or student, this is a must-have for any scientific or engineering library. Useful for students and veteran engineers and scientists alike, this is the only book covering these important issues facing anyone working with coastal models and ocean, coastal, and civil engineering in this area.
Research And Technology Program Digest Flash Index
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Author :
language : en
Publisher:
Release Date : 1967
Research And Technology Program Digest Flash Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Astronautics categories.