2022
DOI: 10.21203/rs.3.rs-2378034/v1
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Inverted resonance capture cascade: modal interactions of a nonlinear energy sink with softening stiffness

Abstract: Nonlinear energy sinks (NESs) are broadband passive vibration absorbers that are nonlinearly connected to a host system. If an NES is attached to a multi-degree-of-freedom mechanical host system under transient loading, the vibrations in the host system will transfer to and dissipate in the NES. During this transfer, the NES sequentially resonates with the modal frequencies of the host system, dissipating one mode at a time. This phenomenon is called resonance capture cascade (RCC). So far, RCC has only been i… Show more

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Cited by 2 publications
(3 citation statements)
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“…10 and 11. Astonishingly, six panels with different optimization quantities nearly show the same optimal value for the nonlinear stiffness that is ω 2 s ≈ 556×10 6 1/(m s) 2 , even in Fig. 11(a), a little shift carried bare difference in the resulting performance.…”
Section: Optimization With Respect To Global Dynamicsmentioning
confidence: 79%
See 2 more Smart Citations
“…10 and 11. Astonishingly, six panels with different optimization quantities nearly show the same optimal value for the nonlinear stiffness that is ω 2 s ≈ 556×10 6 1/(m s) 2 , even in Fig. 11(a), a little shift carried bare difference in the resulting performance.…”
Section: Optimization With Respect To Global Dynamicsmentioning
confidence: 79%
“…A further observation of the SWS model in Eqs. ( 1) and ( 6) is that the only possible origin of instability lies in the tire kinematic equation (6), which leads to a negative stiffness in the right-hand side of Eq. ( 1).…”
Section: Delayed Force Response Of Tirementioning
confidence: 99%
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