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Numerical Simulations In Room Acoustics Using Direct Coupling Techniques And Finite Elements

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Numerical Simulations In Room Acoustics Using Direct Coupling Techniques And Finite Elements

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Author : Martina Pospiech
language : en
Publisher: Logos Verlag Berlin GmbH
Release Date : 2012

Numerical Simulations In Room Acoustics Using Direct Coupling Techniques And Finite Elements written by Martina Pospiech and has been published by Logos Verlag Berlin GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Mathematics categories.

This thesis presents a coupling approach for time-harmonic problems in linear room acoustics. Therein the closed acoustic system is subdivided into air, sound source and different boundary components. The sound field of each air component is approximated with the help of modal basis functions and continuous transitions between single components are enabled by enforcing coupling conditions. Coupling to realistic boundary conditions is realized by wavenumber- and frequency-dependent impedance functions for plate-like sound absorbers. Afterwards the solution is computed by minimizing the energy based on Hamilton's Principle. For computing the basis functions and the energies of the components the Spectral Finite Element Method and the adapted Patch Recovery Method are applied. Finally numerical benchmark-simulations show the applications of this coupling approach.

The Journal Of The Acoustical Society Of America

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Author : Acoustical Society of America
language : en
Publisher:
Release Date : 2006

The Journal Of The Acoustical Society Of America written by Acoustical Society of America and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Acoustical engineering categories.

Applied Mechanics Reviews

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Author :
language : en
Publisher:
Release Date : 1948

Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Mechanics, Applied categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1995

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 1995 with Aeronautics categories.

International Aerospace Abstracts

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Author :
language : en
Publisher:
Release Date : 1999

International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aeronautics categories.

Electrical Electronics Abstracts

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Author :
language : en
Publisher:
Release Date : 1997

Electrical Electronics Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Electrical engineering categories.

Virtual Acoustics And 3 D Sound In Multimedia Signal Processing

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Author : Jyri Huopaniemi
language : en
Publisher:
Release Date : 1999

Virtual Acoustics And 3 D Sound In Multimedia Signal Processing written by Jyri Huopaniemi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Computer sound processing categories.