Vibration damper for photonic crystal with adjustable cell property period array
A technology of phononic crystals and periodic arrays, which is applied in the direction of shock absorbers, springs made of plastic materials, shock absorbers, etc., can solve the problems of phononic crystal passband frequency height attenuation, fixed lattice size, etc. Achieve the effects of adapting to a wide range of frequency bands, enhancing vibration reduction efficiency, and good vibration control effects
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[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0018] Such as figure 1 As shown, the present invention is a phononic crystal damping device with an adjustable periodic array of cell characteristics, including a rigid magnetic ring (rod) (1), a cell excitation coil (2), and a magnetorheological elastomer (3). ), support plate (4), magnetic isolation plate (5), magnetic permeable plate (6), single cell array (7), rigid permeable ring (rod) (1), cell excitation The coil (2), the magnetorheological elastomer (3), the magnetic isolation plate (5), the magnetic conductive plate (6) and the supporting plate (4) surround the same center of symmetry to form a single cell; The magnetic ring (rod) (1) and the cell excitation coil (2) together form a scatterer. The cell excitation coil (2) seamlessly wraps around the outer surface of the rigid magnetic ring (rod) (1), in which the cell excitation The winding direction ...
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