Based on a level set-based topology optimization method, this study designs an acoustic
metasurface capable of tailoring reflection wave arbitrarily. The present metasurface is …

As a problem in acoustics, sound insulation finds wide applications in diverse situations. We
design and experimentally implement an omnidirectional broadband acoustic ventilation …

A few level-set topology optimization (LSTO) methods have been proposed to address
complex fluid-structure interaction. Most of them did not explore benchmark fluid pressure …

Topology optimization of dynamic acoustic–mechanical structures is challenging due to the
interaction between the acoustic and structural domains and artificial localized vibration …

A versatile unit cell for metamaterial-based mufflers that can be mounted in a limited space
is proposed and optimized without increasing their size to reduce duct noise in the low …

This work details a new acoustic topology optimization methodology with applications on the
design of systems composed of rigid and porous materials. The Bi-directional Evolutionary …

We propose an optimal silencer design method using the backpropagation of an artificial
neural network (ANN) model and the generative design technique. The noise attenuation …

Since the early 1920s, the design of mufflers has become an influential topic of study among
engineers, as they have the ability to reduce noise from industrial machinery, combustion …

This article presents a topology optimization (TO) method developed for maximizing the
acoustic attenuation of a perforated dissipative muffler in the targeted frequency range by …

A deep-learning-based generative design method is proposed to improve the frequency-
dependent characteristics of a reactive silencer, and it has been validated both numerically …