Author(s)

T. Ait Younes & M.A. Hamdi

Abstract

Vibroacoustic behaviour analysis of large structures coupled with cavities, like those used in common transport vehicle (aircraft, autobus, train,...), may leads to very large numerical systems to be solved. To avoid enormous time computation, a numerical sub-structure technique is needful. In this framework, initially we propose an approach which takes into account, in the beginning, the structural part of the problem. It consists of a method which subdivides the global structure into elementary cells. Each cell is described by a finite elements method taking into account its physical properties. A similar method is used for the global cavity which is partitioned into elementary sub-domains computed by a fini

Keywords