Nonlinear elastic metamaterial for tunable bandgap at quasi-static frequency
Mechanical Systems and Signal Processing(2022)
摘要
•Nonlinear elastic metamaterial with tunable quasi-static bandgap is proposed.•Both the amplitude and the spring’s initial length tune the metamaterial’s bandgap.•Tunable negative mass provides quasi-static bandgap in the proposed metamaterial.•The metamaterial is actually realized and numerically/experimentally validated.
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关键词
Tunable metamaterial,Nonlinear,Bandgap,Low frequency,Negative effective mass
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