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FEM based prediction model for the impact sound level of floors

  • Up to now the research and developmen t in the field of building acoustics is based mainly on measurements. The consequence is that the development and optimization of a new building component is a very tedious and expensive task. A considerably reduction of these costs could be achieved, if the optimization relying on measurements would be replaced – at least to some extent – by a computational prediction model. Motivated by these aspects a method is presented for using finite element techniques to estimate the impact sound level from lightweight floors. The overall approach consists of the three-dimensional modeling of the structure and the excitation source (tapping machine), the subsequent moda l- and spectral analyses an d the computation of the radiated sound from the ceiling.

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Metadaten
Author:Andreas Rabold, A. Düster
Parent Title (English):EURONOISE 2008- Conference Proceedings
Document Type:Conference Proceeding
Language:English
Publication Year:2008
Tag:Building acustics; Lightweight floors
faculties / departments:Fakultät für Angewandte Natur- und Geisteswissenschaften
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik