2009, English, Article edition: MODELLING THE VIBRATIONS OF CONVEX POLYGONAL PLATES BY THE IMAGE SOURCE METHOD Cuenca, Jacques; Gautier, François; Simon, Laurent

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Physical Description
  • text
Published
  • HAL - CCSD
  • 2009
Language
  • English

Edition details

Title
  • MODELLING THE VIBRATIONS OF CONVEX POLYGONAL PLATES BY THE IMAGE SOURCE METHOD
Author
  • Cuenca, Jacques
  • Gautier, François
  • Simon, Laurent
Published
  • HAL - CCSD
  • 2009
Physical Description
  • text
Subjects
Notes
  • The aim of this study is to investigate the capability of the image source method (ISM) for predicting medium and high frequency flexural vibrations of damped convex polygonal thin plates including various boundary conditions. Besides its classical use in room acoustics, ISM has already been applied to polygonal plates comprising simply supported and roller supported edges. Such boundaries include reflection coefficients that are independent from the angle of incidence of waves. In order to render ISM applicable to more complex boundary conditions, the existing formulation must be adapted. In this paper we present a new formulation of ISM which allows to include angle-dependent reflection coefficients. For practical implementation, an approximation consisting in neglecting edge effects is investigated. An example of implementation is presented and the interest of the method for high frequency vibration modelling is discussed.
  • HAL:hal-00404714, version 1
  • HAL:http:/​/​hal.archives-ouvertes.fr/​hal-00404714/​en/​
Language
  • English
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