Acoustic characterization of 3D printed Kelvin cell metamaterial using response surface methodology

Key Points

• Acoustic characterization reveals enhanced sound absorption properties of the Kelvin cell metamaterial, promoting its application in noise reduction.
• Key metrics indicate an optimal absorption coefficient exceeding 0.85 across various frequency ranges, highlighting its utility in acoustic engineering.
• Assessment using response surface methodology allows for systematic exploration of design parameters, aiding in material optimization.
• Study supports innovative designs for metamaterials, indicating potential applications in architectural acoustics and soundproofing.