Design for manufacturing of vibro-acoustic metamaterials for low frequent NVH insulation

The Noise and Vibration Harshness (NVH) behaviour of products is gaining importance due to increasing customer expectations and more stringent regulations. Ecological trends, however, reduce the applicability of classical (heavy) solutions to improve NVH behaviour. Vibro-acoustic metamaterials come to the fore as candidates for lightweight material systems with superior NVH insulation, be it at least in some targeted and tuneable frequency ranges, referred to as stopbands. Metamaterials are a concept eligible for a variety of designs or production processes and can offer technological benefits such as integration in structural parts and use in harsh environments. This paper discusses a design tool for metamaterials in which, based on the limitations of the production process, the eligible metamaterial designs are evaluated in terms of frequency range and mass addition.status: publishe