Vibration and Sound Radiation of Plates PDF Download
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Author: David Charles Greene
Publisher:
ISBN:
Category : Sound
Languages : en
Pages : 154
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Book Description
Author: David Charles Greene
Publisher:
ISBN:
Category : Sound
Languages : en
Pages : 154
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Book Description
Author: D. C. GREENE
Publisher:
ISBN:
Category :
Languages : en
Pages : 35
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Book Description
Author: L. Cremer
Publisher: Springer Science & Business Media
ISBN: 3662101211
Category : Science
Languages : en
Pages : 591
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Book Description
Since structure-borne sound plays an important role in noise control, material testing and machine diagnosis, the relevant properties of the most important elements of a construction (plates, beams and shells) are investigated. Measurement techniques, equations of motion, formulas for wave speeds, resonance frequencies, impedances, transmission coefficients etc. are given. The different damping mechanisms and the radiation properties are treated. The statistical energy analysis (SEA) is also presented. This new edition has been enlarged to include also waves on orthotropic plates, and the vibration and radiation of cylindrical shells.
Author: Robert J. Hannon
Publisher:
ISBN:
Category :
Languages : en
Pages : 121
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Book Description
Because of their many vibratory resonances, plates are mechanically soft and their suspending structures have a considerable effect on their vibration and sound radiation. Experimental evaluation of acoustic properties of plates is therefore difficult. Plates of different shapes and dimensions were supported in such a way as to eliminate effects of the support on the vibration, and the velocity amplitudes due to point forces were recorded by phonography cartridge and microphones in the near sound field. The results show that the many vibratory modes generate 'hotspots' on the plates. The attachment of ribs and supports disturbs the vibration field and leads to localized areas of increased sound radiation. Long wavelength acoustic holography was used to locate on the vibrating plates the sources of far-field sound. These regions were also investigated by recording the vibratory and nodal line patterns of the plates by a near-field microphone method. This combination of techniques has a unique capability to locate acoustic sources on vibrating structures. (Author).
Author: Lothar Cremer
Publisher: Springer Science & Business Media
ISBN: 3662101181
Category : Technology & Engineering
Languages : en
Pages : 544
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Book Description
Whcn the original German edition of this book first appeared in print, the undcrsigned was asked to review it for an English-language journal. In the course of this review process he was so struck by the book's unusual approach, as well as by the realization that no similar collection of information was available in English, that he conceived thc idea of undertaking this translation. Arrangements with the original authors and with the publisher were completed late in 1969; the translation task was begun at that. time and occupied nearly two and onc-half years-largcly because the undersigned's other professional act.ivities permitted him toderote only hisspare time to the translation effort. Because this passage of time also brought with it some advances in the state of t.he art, an attempt was made to include the most significant of these aclvances, as well as newer references and some minor correc tions, in the translatecl rersion. Except for these changes, which were macle with the enthusiastic endorsement and collaboration of the origi nal authors, the translatecl rersion remains very close to the original. In fact, the translator took special care to preserve not only the mean ing, but also the "flaror", of the original text. The translator is most grateful to Professor L. Cremer and Dr
Author: Frank J. Fahy
Publisher: Elsevier
ISBN: 0080471102
Category : Technology & Engineering
Languages : en
Pages : 666
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Book Description
The first edition of Sound and Structural Vibration was written in the early 1980s. Since then, two major developments have taken place in the field of vibroacoustics. Powerful computational methods and procedures for the numerical analysis of structural vibration, acoustical fields and acoustical interactions between fluids and structures have been developed and these are now universally employed by researchers, consultants and industrial organisations. Advances in signal processing systems and algorithms, in transducers, and in structural materials and forms of construction, have facilitated the development of practical means of applying active and adaptive control systems to structures for the purposes of reducing or modifying structural vibration and the associated sound radiation and transmission. In this greatly expanded and extensively revised edition, the authors have retained most of the analytically based material that forms the pedagogical content of the first edition, and have expanded it to present the theoretical foundations of modern numerical analysis. Application of the latter is illustrated by examples that have been chosen to complement the analytical approaches to solving fairly simple problems of sound radiation, transmission and fluid-structural coupling that are presented in the first edition. The number of examples of experimental data that relate to the theoretical content, and illustrate important features of vibroacoustic interaction, has been augmented by the inclusion of a selection from the vast amount of material published during the past twenty five years. The final chapter on the active control of sound and vibration has no precursor in the first edition. * Covers theoretical approaches to modeling and analysis* Highly applicable to challenges in industry and academia* For engineering students to use throughout their career
Author: Institute for Computer Applications in Science and Engineering
Publisher:
ISBN:
Category :
Languages : en
Pages : 44
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Book Description
Author: Sven-Ingvar Thomasson
Publisher:
ISBN:
Category :
Languages : en
Pages : 54
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Book Description
Author: Sven-Ingvar Thomasson
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Thomas D. Rossing
Publisher: Springer Science & Business Media
ISBN: 1475738226
Category : Science
Languages : en
Pages : 336
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Book Description
An ideal text for advanced undergraduates, the book provides the foundations needed to understand the acoustics of rooms and musical instruments as well as the basics for scientists and engineers interested in noise and vibration. The new edition contains four new chapters devoted primarily to applications of acoustical principles in everyday life: Microphones and Other Transducers, Sound in Concert Halls and Studios, Sound and Noise Outdoors; and Underwater Sound.
