Mechanical Engineering
非线性能量汇
Nonlinear Energy SinkA nonlinear energy sink (NES) is a compact, passive vibration absorber that utilizes nonlinear stiffness to achieve broadband and irreversible energy transfer from a primary structure to the absorber. / 非线性能量汇是一种紧凑的被动振动吸能器,利用非线性刚度实现从主结构到吸能器的宽带和不可逆能量传递。
- Knowledge type
- 物理设备
- First proposed or discovered
- 2005
- Proposer
- Gendelman
- Creator
- 农场主
- Last updated
- 2026-10-31 22:05:35
Sub-knowledge points
Irreversible energy dissipationTargeted energy transfer
Higher-order knowledge points
Vibration control theoryStructural health monitoring
Main parameters and performance indicators
nonlinear stiffness: cubic or Duffing typemass ratio: typically < 10%
Open problems
Optimal design for multi-degree-of-freedom systemsRobustness to parameter variations
Related literature
ranked by community starsMechanisms of nonlinear frequency broadening and time-domain relay dissipation in an integrated NES-ABH absorber for structural vibration dampingOpen source
Related products and links
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Creation and modification trail
1 recordsRecord title: Nonlinear Energy Sink.
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