Acoustics
膜型超材料
Membrane-type metamaterialsStructures composed of periodic arrays of membranes that exhibit negative effective mass density or stiffness, leading to band gaps that attenuate specific frequency ranges of vibration and sound. / 由周期性膜阵列组成的结构，表现出负的有效质量密度或刚度，从而产生衰减特定频率范围内振动和声音的带隙。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-05 21:05:50
Sub-knowledge points
Low-frequency vibroacoustic behaviorFloor impact sound attenuation
Higher-order knowledge points
No connected node yet
Main parameters and performance indicators
membrane tension: controls the resonant frequencymembrane mass density: influences the effective mass densityperiodicity: determines the band gap width and location
Open problems
No unresolved problem recorded yet
Related literature
ranked by community starsLow-frequency vibroacoustic behavior of thin plate coupled with membrane-type metamaterials for floor impact sound attenuationOpen source
Related products and links
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Creation and modification trail
1 recordsRecord title: Membrane-type metamaterials.
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