Journal of Research in Physics and Applied Sciences ISSN: 3139-1397 (Online)

Authors: Kavita Jain, Akshay Verma

Abstract: Acoustic metamaterials have emerged as groundbreaking innovations for sound manipulation and noise reduction. These artificially engineered materials exhibit unique properties such as negative effective mass density and bulk modulus, enabling control over sound waves in ways previously thought impossible. This paper explores the advancements in acoustic metamaterials, emphasizing their design principles, fabrication techniques, and diverse applications in industries ranging from aerospace to healthcare. The study also highlights their potential to revolutionize noise-cancellation technologies and architectural acoustics. Furthermore, challenges such as fabrication scalability and integration into existing systems are addressed, paving the way for future developments in this field.

Keywords: Acoustic metamaterials, noise reduction, sound manipulation, negative mass density, bulk modulus, wave control