Experimental And Numerical Analysis Of Structural Acousticcontrol Interior Noise Reduction

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Experimental and Numerical Analysis of Structural Acousticcontrol Interior Noise Reduction

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720517535
Total Pages : 52 pages
Book Rating : 4.5/5 (175 download)

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Book Synopsis Experimental and Numerical Analysis of Structural Acousticcontrol Interior Noise Reduction by : National Aeronautics and Space Administration (NASA)

Download or read book Experimental and Numerical Analysis of Structural Acousticcontrol Interior Noise Reduction written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-31 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research results contained in this technical report were performed under the NASA grant entitled "Experimental and Numerical Structural Acoustic Control for Interior Noise Reduction". The report is based essentially on partial progress of the Ph.D. dissertation prepared by Jeffrey S. Bevan under direct guidance of Dr. Chuh Mei. The document presents a finite element formulation and control of sound radiated from cylindrical panels embedded with piezoceramic actuators. The extended MIN6 shallow shell element is fully electrical-structural coupled. A piezoelectric modal actuator participation (PMAP) is defined which indicates the actuator performance to each of the offending modes. Genetic algorithm is also employed to validate the sensor and actuator locations determined by the PMAP criteria. The work was conducted at the Department of Aerospace Engineering, Old Dominion University. Mr. Travis L. Turner, Structural Acoustics Branch, NASA Langley Research Center is the technical monitor.Mei, Chuh and Bevan, Jeffrey S.Langley Research CenterNUMERICAL ANALYSIS; EXPERIMENTATION; NOISE REDUCTION; ACOUSTICS; ACTUATORS; RESEARCH; FINITE ELEMENT METHOD; SHALLOW SHELLS; POSITION (LOCATION); PIEZOELECTRICITY; PIEZOELECTRIC CERAMICS; PANELS; NUMERICAL CONTROL; NOISE (SOUND); CYLINDRICAL BODIES

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 1556 pages
Book Rating : 4.F/5 ( download)

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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 1992 with total page 1556 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis and Testing of Plates with Piezoelectric Sensors and Actuators

Author : Jeffrey S. Bevan
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Analysis and Testing of Plates with Piezoelectric Sensors and Actuators by : Jeffrey S. Bevan

Download or read book Analysis and Testing of Plates with Piezoelectric Sensors and Actuators written by Jeffrey S. Bevan and published by . This book was released on 1998 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the ASME Noise Control and Acoustics Division

Author :
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings of the ASME Noise Control and Acoustics Division by :

Download or read book Proceedings of the ASME Noise Control and Acoustics Division written by and published by . This book was released on 2001 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Active Control Of Aircraft Cabin Noise

Author : Ignazio Dimino
Publisher : World Scientific
ISBN 13 : 1783266597
Total Pages : 303 pages
Book Rating : 4.7/5 (832 download)

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Book Synopsis Active Control Of Aircraft Cabin Noise by : Ignazio Dimino

Download or read book Active Control Of Aircraft Cabin Noise written by Ignazio Dimino and published by World Scientific. This book was released on 2015-07-13 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'The text is well written and supported by clear and useful illustrations. This would be a useful textbook for postgraduate or advanced undergraduate studies and would also make a good introductory text for engineers moving into the field. The literature survey and bibliography provide a useful starting point for further study.'The Aeronautical JournalActive Control of Aircraft Cabin Noise provides a bridge to fill the gap between robust control theory and practical applications of active noise control systems in aircraft cabin. Both the possibilities and limitations of structural solutions to enhance aircraft cabin comfort by reducing interior noise are discussed supported by a wide range of topics in engineering, from finite element modeling to multichannel adaptive feed-forward control, usually dealt separately in the literature. In addition, experimental noise attenuation results with passengers' subjective perceptions predicting the effects of cabin noise on comfort assessments is examined. Theoretical and experimental research is detailed enough to capture the interest of the non-expert in engineering who wishes to have an overview of some of the active noise control applications in aircraft. This book may be used as an advanced textbook by graduate and undergraduate students in aeronautical engineering, and would be an authoritative resource book for research into the subject.

Applied Mechanics Reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1988 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Vibro-Acoustics of Lightweight Sandwich Structures

Author : Tianjian Lu
Publisher : Springer
ISBN 13 : 3642553583
Total Pages : 350 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Vibro-Acoustics of Lightweight Sandwich Structures by : Tianjian Lu

Download or read book Vibro-Acoustics of Lightweight Sandwich Structures written by Tianjian Lu and published by Springer. This book was released on 2014-07-08 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibro-Acoustics of Lightweight Sandwich Structures introduces the study of the coupled vibration and acoustic behavior of lightweight sandwich structures in response to harmonic force and sound pressure. This book focuses on the theoretical modeling and experimental investigation of lightweight sandwich structures in order to provide a predictive framework for vibro-acoustic characteristics of typical engineering structures. Furthermore, by developing solution tools, it concentrates on the influence of key systematic parameters leading to effective guidance for optimal structure design toward lightweight, high-stiffness and superior sound insulation capability. This book is intended for researchers, scientists, engineers and graduate students in mechanical engineering especially in structural mechanics, mechanics and acoustics. Fengxian Xin and Tianjian Lu both work at the School of Aerospace, Xi’an Jiaotong University.

Interfaces in Computer Science and Operations Research

Author : R. S. Barr
Publisher : Springer Science & Business Media
ISBN 13 : 1461541026
Total Pages : 443 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Interfaces in Computer Science and Operations Research by : R. S. Barr

Download or read book Interfaces in Computer Science and Operations Research written by R. S. Barr and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: The disciplines of computer science and operations research (OR) have been linked since their origins, each contributing to the dramatic advances of the other. This work explores the connections between these key technologies: how high-performance computing methods have led to advances in OR de ployment, and how OR has contributed to the design and development of ad vanced systems. The collected writings-from researchers and practitioners in Computer Science, Operations Research, Management Science, and Artificial Intelligence-were among those delivered at the Fifth INFORMS Computer Science Technical Section Conference in Dallas, Texas, January 8-10, 1996. The articles advance both theory and practice. Presented are new approaches to complex problems based on: metaheuristics (neural networks, genetic al gorithms, and Tabu Search), optimization and mathematical programming, stochastic methods, constraint programming, and logical analysis. These ad vanced methodologies are applied to new applications in such areas as: telecom munications network design, financial engineering, manufacturing, project man agement, and forecasting, airline and machine scheduling, vehicle routing, mod eling and decision support systems. Featured is a remarkable paper by keynote speaker Fred Glover, creator of the Tabu Search family of metaheuristics. In it he develops the principles of memory-based heuristic methods, contrasts them with the popular genetic algorithms and simulated annealing, provides a sweeping survey of application vignettes, and points to promising avenues for future research.

Research in Progress: Applied and Numerical Mathematics

Author :
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Research in Progress: Applied and Numerical Mathematics by :

Download or read book Research in Progress: Applied and Numerical Mathematics written by and published by . This book was released on 1996 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Noise-Controlling Casings

Author : Marek Pawelczyk
Publisher : CRC Press
ISBN 13 : 1000629546
Total Pages : 291 pages
Book Rating : 4.0/5 (6 download)

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Book Synopsis Noise-Controlling Casings by : Marek Pawelczyk

Download or read book Noise-Controlling Casings written by Marek Pawelczyk and published by CRC Press. This book was released on 2022-07-28 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise-Controlling Casings offers a range of feasible noise-controlling strategies for different kinds of devices generating excessive noise. Depending on the required performance and the availability of energy sources, three solution categories are presented: passive (no external energy is needed, but performance is limited), semi-active (little energy is needed, but performance achieves higher values) and active (best performance, but an external energy source is needed). Two very important benefits of these proposed solutions are global noise reduction (in an entire enclosure or the surrounding space) and compact technology (contrary to other active noise control solutions requiring a large number of secondary sources and distributed sensors). Many of the solutions presented are original approaches by the authors, their own developed concepts and new elements and designs that have gained recognition in prestigious journals. The book provides a theoretical background to the research, looking at system configurations, mathematical modelling, signal processing implementation and numerical analysis. The proposed ideas can be applied to any devices provided they have casings of thin walls or they can be enclosed by casings of thin walls. Applications include industrial devices, household appliances, vehicle or aircraft cabins and more. This book will be of interest to professionals and students in the fields of acoustics, vibration, signal processing, control, automotive and aircraft engineering.

Noise/news International

Author :
Publisher :
ISBN 13 :
Total Pages : 724 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Noise/news International by :

Download or read book Noise/news International written by and published by . This book was released on 1995 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Active Structural Acoustic Control of Interior Noise on a Raytheon 1900D

Author :
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Active Structural Acoustic Control of Interior Noise on a Raytheon 1900D by :

Download or read book Active Structural Acoustic Control of Interior Noise on a Raytheon 1900D written by and published by . This book was released on 2000 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:

First European Conference on Smart Structures and Materials, Proceedings of the INT Conference held in Glasgow, 12-14 May 1992

Author : B. Culshaw
Publisher : CRC Press
ISBN 13 : 9780750302227
Total Pages : 440 pages
Book Rating : 4.3/5 (22 download)

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Book Synopsis First European Conference on Smart Structures and Materials, Proceedings of the INT Conference held in Glasgow, 12-14 May 1992 by : B. Culshaw

Download or read book First European Conference on Smart Structures and Materials, Proceedings of the INT Conference held in Glasgow, 12-14 May 1992 written by B. Culshaw and published by CRC Press. This book was released on 1992-01-01 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: First European Conference on Smart Structures and Materials provides a detailed review of developments and applications in the exciting area of smart structures and materials. Topics covered include polymer chemistry, materials research, advanced sensor technology, signal processing, and innovative approaches to control and actuation. These invited, contributed, and poster papers are written by many of the leading international researchers in this rapidly developing area. This book will be invaluable reading for researchers in all aspects of smart materials and structures, a subject encompassing aerospace technology, civil and mechanical engineering, biomedicine, and component manufacture.

International Aerospace Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 980 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1998 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the 33rd IEEE Conference on Decision and Control

Author : IEEE Control Systems Society
Publisher :
ISBN 13 :
Total Pages : 1086 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Proceedings of the 33rd IEEE Conference on Decision and Control by : IEEE Control Systems Society

Download or read book Proceedings of the 33rd IEEE Conference on Decision and Control written by IEEE Control Systems Society and published by . This book was released on 1994 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Active Control of Noise and Vibration

Author : Colin Hansen
Publisher : CRC Press
ISBN 13 : 1482234009
Total Pages : 1564 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Active Control of Noise and Vibration by : Colin Hansen

Download or read book Active Control of Noise and Vibration written by Colin Hansen and published by CRC Press. This book was released on 2012-11-02 with total page 1564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrating active control of both sound and vibration, this comprehensive two-volume set combines coverage of fundamental principles with the most recent theoretical and practical developments. The authors explain how to design and implement successful active control systems in practice and detail the pitfalls one must avoid to ensure a reliable and stable system. Extensively revised, updated, and expanded throughout, the second edition reflects the advances that have been made in algorithms, DSP hardware, and applications since the publication of the first edition.

Engineering Vibroacoustic Analysis

Author : Stephen A. Hambric
Publisher : John Wiley & Sons
ISBN 13 : 1119953448
Total Pages : 540 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Engineering Vibroacoustic Analysis by : Stephen A. Hambric

Download or read book Engineering Vibroacoustic Analysis written by Stephen A. Hambric and published by John Wiley & Sons. This book was released on 2016-05-02 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book describes analytical methods (based primarily on classical modal synthesis), the Finite Element Method (FEM), Boundary Element Method (BEM), Statistical Energy Analysis (SEA), Energy Finite Element Analysis (EFEA), Hybrid Methods (FEM-SEA and Transfer Path Analysis), and Wave-Based Methods. The book also includes procedures for designing noise and vibration control treatments, optimizing structures for reduced vibration and noise, and estimating the uncertainties in analysis results. Written by several well-known authors, each chapter includes theoretical formulations, along with practical applications to actual structural-acoustic systems. Readers will learn how to use vibroacoustic analysis methods in product design and development; how to perform transient, frequency (deterministic and random), and statistical vibroacoustic analyses; and how to choose appropriate structural and acoustic computational methods for their applications. The book can be used as a general reference for practicing engineers, or as a text for a technical short course or graduate course.