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Large Amplitude Response Of Complex Structures Due To High Intensity Noise
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Book Synopsis Large Amplitude Response of Complex Structures Due to High Intensity Noise by : Chuh Mei
Download or read book Large Amplitude Response of Complex Structures Due to High Intensity Noise written by Chuh Mei and published by . This book was released on 1979 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A problem of interest to the Air Force is the design of acoustically sound aircraft structural components. This is because sonic fatigue failures have resulted in unacceptable maintenance and inspection burdens associated with the operation of the aircraft. In some instances, sonic fatigue failures have resulted in major redesign efforts of structural components. Currently, the sonic fatigue design methods are based upon a combination of experimental and analytical techniques. The analytical methods are based on the linear or small deflection theory (Sonic Fatigue Design Guide for Military Aircraft, AFFDL-TR- 74-112, for example). But, on the contrary, the test structural panels respond nonlinearly with large deflections at high intensity acoustic pressure levels. This large amplitude geometrical nonlinearity is the major factor that causes disagreement between the computed and the measured random responses. To improve the analytical design methods, large deflection or nonlinear structure theory must be employed in the analysis. This report presents a review of existing analytical and numerical methods on random excitation on nonlinear multi-degree- of-freedom systems, and an evaluation of these methods based on some realistic considerations from the point of view of their application to complex panel configurations of aircraft structure.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Harris' Shock and Vibration Handbook by : Cyril M. Harris
Download or read book Harris' Shock and Vibration Handbook written by Cyril M. Harris and published by McGraw-Hill Professional Publishing. This book was released on 2002 with total page 1468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description
Download or read book NASA Conference Publication written by and published by . This book was released on 1980 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research in Nonlinear Structural and Solid Mechanics by :
Download or read book Research in Nonlinear Structural and Solid Mechanics written by and published by . This book was released on 1980 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1969 with total page 1090 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1989 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1983 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1990 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Shock and Vibration Bulletin by :
Download or read book The Shock and Vibration Bulletin written by and published by . This book was released on 1968-08 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Composite Structures by : I. H. Marshall
Download or read book Composite Structures written by I. H. Marshall and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 685 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers contained herein were presented at the First International Conference on Composite Structures held at Paisley College of Technology, Paisley, Scotland, in September 1981. This conference was organised and sponsored by Paisley College of Technology in association with The Institution of Mechanical Engineers and The National Engineering Laboratory (UK). There can be little doubt that, within engineering circles, the use of composite materials has revolutionised traditional design concepts. The ability to tailor-make a material to suit prevailing environmental conditions whilst maintaining adequate reinforcement to withstand applied loading is unquestionably an attractive proposition. Significant weight savings can also be achieved by virtue of the high strength-to-weight and stiffness-to-weight characteristics of, for example, fibrous forms of composite materials. Such savings are clearly of paramount importance in transportation engineering and in particular aircraft and aerospace applications. Along with this considerable structural potential the engineer must accept an increased complexity of analysis. All too often in the past this has dissuaded the designer from considering composite materials as a viable, or indeed better, alternative to traditional engineering materials. Inherent prejudices within the engineering profession have also contributed, in no small way, to a certain wariness in appreciating the merits of composites. However, the potential benefits of composite materials are inescapable. The last two decades have seen a phenomenal increase in the use of composites in virtually every area of engineering, from the high technology v vi Preface aerospace application to the less demanding structural cladding situation.
Book Synopsis Random Vibration - Status and Recent Developments by : I. Elishakoff
Download or read book Random Vibration - Status and Recent Developments written by I. Elishakoff and published by Elsevier. This book was released on 2013-10-22 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book commemorates the 65th birthday of Stephen H. Crandall - one of the founding fathers and most active developers and elucidators of the science of random vibrations. Leading scientists from all over the world have contributed 33 papers addressing almost every important problem of random vibrations. The book thus represents both the state-of-the-art as well as the most recent developments, and will appeal to those in industry and academia who want to achieve a rigorous understanding of the many facets of the subject. A thorough study of the book will also help lay the foundations for future directions in research.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1979-11 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Shock and Vibration Bulletin by :
Download or read book The Shock and Vibration Bulletin written by and published by . This book was released on 1972 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Response of Nonlinear Structural Panels Subjected to High Intensity Noise by : Chuh Mei
Download or read book Response of Nonlinear Structural Panels Subjected to High Intensity Noise written by Chuh Mei and published by . This book was released on 1980 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lightweight aircraft structures exposed to a high intensity noise environment can fatigue fail prematurely if adequate consideration is not given to the problem. Design methods and design criteria for sonic fatigue prevention have been developed based on analytical and experimental techniques. Most of the analytical work was based upon small deflection or linear structural theory which did not agree with the experimental results. A large deflection geometrical nonlinearity was incorporated into the analysis methods for determining the structural response to high intensity noise. Using the Karman-Herrmann large deflection equations for rectangular plates, a single mode Galerkin approximation, the nonlinear differential equations of motion were obtained. The method of equivalent linearization was used to solve the nonlinear equations for mean-square displacement, mean square stresses and nonlinear frequencies at various acoustic loadings for rectangular panels. Comparisons with experimental results are presented. The results obtained agreed with the experimental results; however, additional test data are needed for an adequate quantitative comparison. (Author).
Download or read book Energy Research Abstracts written by and published by . This book was released on 1980 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
