The influence of base structure on acoustic performance enhancement through additonal layers

In the field of noise control engineering, multilayer systems are widely utilised to mitigate noise radiation and improve sound insulation. The effectiveness of additional layers in enhancing acoustic performance significantly relies on the characteristics of the underlying base structure. In fact, evaluating the acoustic efficacy of lining systems in building construction requires standardised heavyweight and lightweight elements as base structures. This study aims to conduct a comprehensive analysis of the relationship between the characteristics of the base structure and the design of multilayer systems as a mitigation strategy. Through parametric analysis of a simulated dataset, this study endeavours to provide valuable insights for accurately evaluating global acoustic performance and developing tools handy in designing optimal multilayer system configurations for effective noise control in building constructions. This paper presents preliminary results aimed at identifying critical parameters for predicting the sound insulation improvement of lining systems.