Heterogeneous/special-shaped acoustic black hole and photonic crystal mixed vibration and noise reduction enhancing structure
A phononic crystal, vibration reduction and noise reduction technology, which is applied in the direction of sound-generating equipment, non-rotational vibration suppression, instruments, etc., can solve the problem of unsatisfactory control effect of medium and low frequency vibration and noise, poor effect of medium and low frequency vibration and noise reduction, and structural bearing capacity To achieve the effect of efficient dissipation, high-efficiency vibration and noise reduction, and weight reduction
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[0040] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0041] Combine below Figure 1 to Figure 5 A vibration-reduction and noise-reduction enhancement structure 1000 mixed with a heterogeneous / hetero-shaped acoustic black hole and a phononic crystal according to an embodiment of the present invention will be described.
[0042] like Figure 3 to Figure 5 As shown, a heterogeneous / hetero-shaped acoustic black hole and phononic crystal mixed vibration and noise reduction enhancement structure 1000 according to an embodiment of the present invention includes two laminates 1 and damping materi...
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