Abstract
AbstractA modular design method is introduced to design an acoustic metamaterial based on nested Helmholtz resonators that target low‐frequency sound attenuation. The method combines a performance evaluation using finite element methods with structural evolution, and uses a genetic algorithm to optimize the acoustic metamaterial to attain the desired properties. Both the simulated and experimental results demonstrate the noise attenuation property of the optimized acoustic metamaterials. The modular design method proposed by this study may potentially design acoustic metamaterials for practical sound attenuation applications in industries by considering different environments and constraints.
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