Structural Acoustics and Vibration - 1st Edition - ISBN: 9780125249454, 9780080541945

Structural Acoustics and Vibration

1st Edition

Mechanical Models, Variational Formulations and Discretization

Authors: Roger Ohayon Christian Soize
eBook ISBN: 9780080541945
Hardcover ISBN: 9780125249454
Imprint: Academic Press
Published Date: 15th October 1997
Page Count: 424
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Description

Structural Acoustics and Vibration presents the modeling of vibrations of complex structures coupled with acoustic fluids in the low and medium frequency ranges. It is devoted to mechanical models, variationalformulations and discretization for calculating linear vibrations in the frequency domain of complex structures. The book includes theoretical formulations which are directly applicable to develop computer codes for the numerical simulation of complex systems, and gives a general scientific strategy to solve various complex structural acoustics problems in different areas such as spacecraft, aircraft, automobiles, and naval structures. The researcher may directly apply the material of the book to practical problems such as acoustic pollution, the comfort of passengers, and acoustic loads induced by propellers.

Structural Acoustics and Vibration considers the mechanical and numerical aspects of the problem, and gives original solutions to the predictability of vibrations of complex structures interacting with internal and external, liquid and gaseous fluids. It is a self-contained general synthesis with a didactic presentation and fills the gap between analytical methods applied to simple geometries and statistical methods, which are useful in high frequency structural acoustic problems.

Key Features

  • Provides for the first time complex structures in scientific literature
  • Presents a self-contained general synthesis with a didactic presentation
  • Integrates the most advanced research topics on the subject
  • Enables the researcher to solve complex structural acoustics problems in areas such as spacecraft, aircraft, automobiles, and naval structures
  • Fills the gap between analytical methods applied to simple geometries and statistical methods
  • Contains advanced mechanical and numerical modeling
  • Provides appropriate formulations directly applicable for developing computer codes for the numerical simulation of complex systemssystems

Readership

Post-graduate and post-doctoral students, researchers, and engineers in applied, computational, and structural mechanics; vibrations, structural dynamics, and acoustics; aerospace, naval and civil engineering, and the automotive industry.

Table of Contents

A Strategy for Structural-Acoustic Problems. Basic Notions on Variational Formulations. Linearized Vibrations of Conservative Structures and Structural Modes. Dissipative Constitutive Equation for the Master Structure. Master Structure Frequency Response Function. Calculation of the Master Structure Frequency Response function in the LF Range. Calculation of the Master Structure Frequency Response Function in the MF Range. Reduced Model in the MF Range. Response to Deterministic and Random Excitations. Linear Acoustic Equations. Internal Acoustic Fluid Formulation for the LF and MF Ranges. External Acoustic Fluid: Boundary Integral Formulation for the LF and MF Ranges. Structural-Acoustic Master System in the LF Range. Structural-Acoustic Master System in the MF Range. Fuzzy Structure Theory. Appendix: Mathematical Notations. References. Subject Index. Symbol Index.

Details

No. of pages:
424
Language:
English
Copyright:
© Academic Press 1998
Published:
Imprint:
Academic Press
eBook ISBN:
9780080541945
Hardcover ISBN:
9780125249454

About the Author

Roger Ohayon

Roger Ohayon is currently a Professor, the Chair of Mechanics, and the Director of the Structural Mechanics and Coupled Systems Laboratory at Conservatoire National des Arts et Metiers (CNAM) in Paris. He is also a consultant at the Office National d'Etudes et de Recherche Aerospatiales (ONERA) in Chatillon, France.

Affiliations and Expertise

Conservatoire National des Arts et Metiers (CNAM), Paris, France

Christian Soize

Christian Soize is currently a Professor at the Ecole Nationale Superieure des Techniques Avancees and a Professor at the Ecole Centrale Paris. He also serves as the Research Director and the Deputy Scientific Director of the Structures Department at ONERA.

Affiliations and Expertise

Office National d'Etudes et de Recherche Aerospatiales (ONERA), Chatillon, France