Development of a metamaterial for acoustic and architectonical improvement of window design.
* Presenting author
The development of windows which can address the issue of high noise levels while maintaining natural ventilation has drawn considerably attentions recently. However, there are limitations to traditional double glazing together with duct designs. In our previous studies window systems have been developed based on the local resonant stopband of acoustic metamaterial (AMM) to achieve dual functions of noise reduction and natural ventilation. In this study, further effort is made to develop window designs based on origami concept, and also with a different approach for ventilation design. Firstly, such window designs are created using parametric modelling technique. The sound reduction performance is then investigated using the Finite Elements Method (FEM), and the sound reduction index (SRI) is evaluated. The performance is further optimised using parametric FEM analysis. The computational platform developed can also facilitate the optimisation of window designs.