Computational Aeroacoustics An Overview
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Computational Aeroacoustics An Overview
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Author : Christopher K. Tam
language : en
Publisher:
Release Date : 2003
Computational Aeroacoustics An Overview written by Christopher K. Tam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
An overview of recent advances in computational aeroacoustics (CAA) is presented. CAA algorithms must not be dispersive and dissipative. It should propagate waves supported by the Euler equations with the correct group velocities. Computation domains are inevitably finite in size. To avoid the reflection of acoustic and other outgoing waves at the boundaries of the computation domain, it is required that special boundary conditions be imposed at the boundary region. These boundary conditions either absorb all the outgoing waves without reflection or allow the waves to exit smoothly. High-order schemes, invariably, supports spurious short waves. These spurious waves tend to pollute the numerical solution. They must be selectively damped or filtered out. All these issues and relevant computation methods are briefly reviewed. Jet screech tones are known to have caused structural fatigue in military combat aircrafts. Numerical simulation of the jet screech phenomenon is presented as an example of a successful application of CAA.
Computational Aeroacoustics
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Author : Jay C. Hardin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Computational Aeroacoustics written by Jay C. Hardin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Computational aeroacoustics is rapidly emerging as an essential element in the study of aerodynamic sound. As with all emerging technologies, it is paramount that we assess the various opportuni ties and establish achievable goals for this new technology. Essential to this process is the identification and prioritization of fundamental aeroacoustics problems which are amenable to direct numerical siIn ulation. Questions, ranging from the role numerical methods play in the classical theoretical approaches to aeroacoustics, to the correct specification of well-posed numerical problems, need to be answered. These issues provided the impetus for the Workshop on Computa tional Aeroacoustics sponsored by ICASE and the Acoustics Division of NASA LaRC on April 6-9, 1992. The participants of the Work shop were leading aeroacousticians, computational fluid dynamicists and applied mathematicians. The Workshop started with the open ing remarks by M. Y. Hussaini and the welcome address by Kristin Hessenius who introduced the keynote speaker, Sir James Lighthill. The keynote address set the stage for the Workshop. It was both an authoritative and up-to-date discussion of the state-of-the-art in aeroacoustics. The presentations at the Workshop were divided into five sessions - i) Classical Theoretical Approaches (William Zorumski, Chairman), ii) Mathematical Aspects of Acoustics (Rodolfo Rosales, Chairman), iii) Validation Methodology (Allan Pierce, Chairman), iv) Direct Numerical Simulation (Michael Myers, Chairman), and v) Unsteady Compressible Flow Computa tional Methods (Douglas Dwoyer, Chairman).
Computational Acoustics
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Author : Manfred Kaltenbacher
language : en
Publisher: Springer
Release Date : 2017-07-10
Computational Acoustics written by Manfred Kaltenbacher and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-10 with Technology & Engineering categories.
The book presents a state-of-art overview of numerical schemes efficiently solving the acoustic conservation equations (unknowns are acoustic pressure and particle velocity) and the acoustic wave equation (pressure of acoustic potential formulation). Thereby, the different equations model both vibrational- and flow-induced sound generation and its propagation. Latest numerical schemes as higher order finite elements, non-conforming grid techniques, discontinuous Galerkin approaches and boundary element methods are discussed. Main applications will be towards aerospace, rail and automotive industry as well as medical engineering. The team of authors are able to address these topics from the engineering as well as numerical points of view.
An Overview Of Computational Aeroacoustic Techniques Applied To Cavity Noise Prediction
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Author : Sheryl M. Grace
language : en
Publisher:
Release Date : 2001
An Overview Of Computational Aeroacoustic Techniques Applied To Cavity Noise Prediction written by Sheryl M. Grace and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Second Computational Aeroacoustics Caa Workshop On Benchmark Problems
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Author : C. K. W. Tam
language : en
Publisher:
Release Date : 1997
Second Computational Aeroacoustics Caa Workshop On Benchmark Problems written by C. K. W. Tam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Aerodynamic noise categories.
Computational Aeroacoustics
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Author : Christopher K. W. Tam
language : en
Publisher: Cambridge University Press
Release Date : 2012-09-28
Computational Aeroacoustics written by Christopher K. W. Tam and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-28 with Mathematics categories.
Both a textbook for graduate students with exercises and a reference with code for researchers in computational aeroacoustics (CAA).
Computational Aeroacoustics
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Author : Jay C. Hardin
language : en
Publisher: Springer
Release Date : 1993-06-24
Computational Aeroacoustics written by Jay C. Hardin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-06-24 with Science categories.
Computational aeroacoustics is rapidly emerging as an essential element in the study of aerodynamic sound. As with all emerging technologies, it is paramount that we assess the various opportuni ties and establish achievable goals for this new technology. Essential to this process is the identification and prioritization of fundamental aeroacoustics problems which are amenable to direct numerical siIn ulation. Questions, ranging from the role numerical methods play in the classical theoretical approaches to aeroacoustics, to the correct specification of well-posed numerical problems, need to be answered. These issues provided the impetus for the Workshop on Computa tional Aeroacoustics sponsored by ICASE and the Acoustics Division of NASA LaRC on April 6-9, 1992. The participants of the Work shop were leading aeroacousticians, computational fluid dynamicists and applied mathematicians. The Workshop started with the open ing remarks by M. Y. Hussaini and the welcome address by Kristin Hessenius who introduced the keynote speaker, Sir James Lighthill. The keynote address set the stage for the Workshop. It was both an authoritative and up-to-date discussion of the state-of-the-art in aeroacoustics. The presentations at the Workshop were divided into five sessions - i) Classical Theoretical Approaches (William Zorumski, Chairman), ii) Mathematical Aspects of Acoustics (Rodolfo Rosales, Chairman), iii) Validation Methodology (Allan Pierce, Chairman), iv) Direct Numerical Simulation (Michael Myers, Chairman), and v) Unsteady Compressible Flow Computa tional Methods (Douglas Dwoyer, Chairman).
Computational Aerodynamics And Aeroacoustics
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Author : Tapan K. Sengupta
language : en
Publisher: Springer Nature
Release Date : 2020-05-12
Computational Aerodynamics And Aeroacoustics written by Tapan K. Sengupta and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-12 with Technology & Engineering categories.
Recent advances in scientific computing have caused the field of aerodynamics to change at a rapid pace, simplifying the design cycle of aerospace vehicles enormously – this book takes the readers from core concepts of aerodynamics to recent research, using studies and real-life scenarios to explain problems and their solutions. This book presents in detail the important concepts in computational aerodynamics and aeroacoustics taking readers from the fundamentals of fluid flow and aerodynamics to a more in-depth analysis of acoustic waves, aeroacoustics, computational modelling and processing. This book will be of use to students in multiple branches of engineering, physics and applied mathematics. Additionally, the book can also be used as a text in professional development courses for industry engineers and as a self-help reference for active researchers in both academia and the industry.
Icase Larc Workshop On Benchmark Problems In Computational Aeroacoustics Caa
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Author : Jay C. Hardin
language : en
Publisher:
Release Date : 1995
Icase Larc Workshop On Benchmark Problems In Computational Aeroacoustics Caa written by Jay C. Hardin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aerodynamic noise categories.
Report On The Final Panel Discussion On Computational Aeroacoustics
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Author : Institute for Computer Applications in Science and Engineering
language : en
Publisher:
Release Date : 1992
Report On The Final Panel Discussion On Computational Aeroacoustics written by Institute for Computer Applications in Science and Engineering 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.