Triangular fractals can dampen low-frequency urban noise

Key Points

• The aim is to explore how triangular fractals can be used to control low-frequency urban noise through innovative material design.
• Utilized metamaterials to elongate the sound wave propagation path
• Focused on low-frequency noise reduction strategies
• Evaluated effectiveness of triangular fractals in noise control
• Demonstrated significant dampening of low-frequency noise
• Showed potential for lightweight and space-efficient designs
• Indicated that the proposed solution is effective without bulkiness