Actran软件-利用导纳边界方法分析吸声材料对缆车内部声场的影响教程

Workshop 3b – Sound Attenuation in a Ski Cabin

Introduction：

Pre-requisites - before going through this presentation, the reader

should have read and understood the following presentations:

 Theory Acoustics : Damping in Acoustic Simulation

 Workshop Acoustics 2a : Sound Level in a Ski Cabin

 Workshop Acoustics 3a : Sound Attenuation in a Ski Cabin

 The ob jectives of this workshop are the following:

 Get introduces to the admittance boundary condition

 Get introduce to the frequency dependant table

 Compare results with the previous computation involving an equivalent rigid porous component