Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A Decoupled Vibro-Acoustic Development of FEM: Application to Laboratory Modelling
A decoupled model for sound transmission problems has been derived. The structure is modelled with commercial FEM software, thus allowing the consideration of complex partitions. The acoustical part of the problem is based on the GRIM approach, where the green functions for a blocked structure can be computed by different means such as modal approaches, BEM or geometrical models. This numerical platform has been developed as an extension to classical laboratory measurement of building elements mainly for impact noise levels and sound reduction index assessment. Comparisons with experimental results are presented.
A Decoupled Vibro-Acoustic Development of FEM: Application to Laboratory Modelling
A decoupled model for sound transmission problems has been derived. The structure is modelled with commercial FEM software, thus allowing the consideration of complex partitions. The acoustical part of the problem is based on the GRIM approach, where the green functions for a blocked structure can be computed by different means such as modal approaches, BEM or geometrical models. This numerical platform has been developed as an extension to classical laboratory measurement of building elements mainly for impact noise levels and sound reduction index assessment. Comparisons with experimental results are presented.
A Decoupled Vibro-Acoustic Development of FEM: Application to Laboratory Modelling
Jean, Philippe (Autor:in) / Siwiak, Hugo (Autor:in) / Joubert, Guy (Autor:in)
Building Acoustics ; 13 ; 83-98
01.06.2006
16 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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