Investigation of the effects of the microstructure on the sound absorption performance of polymer foams using a computational homogenization approach
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文摘

A computational homogenization method is applied to acoustic porous materials.

The effects of solid deformation and solid-fluid interaction are incorporated.

The influence of the porous microstructure is systematically investigated.

The effects of cell size and membrane thickness and opening are examined.

Anomalous behaviour induced by local resonance is observed.

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