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Phononic crystal vibration isolator with inertial amplification mechanism
Phononic crystal vibration isolator with inertial amplification mechanism
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机译:具有惯性放大机构的滤晶隔振器
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摘要
A unit cell (1) of an artificial phononic crystal (2) for building of an artificial phononic metamaterial, showing reduced mechanical vibrations in a defined frequency range with at least one band gap in the band structure dispersion relation of the unit cell (1), where the unit cell (1) comprises at least one building block (10) and at least one mechanical connection (11) connected to the building block (10), showing reduced mechanical vibrations in a defined frequency range with tailored dispersion properties with at least one band gap is sought. This is accomplished by forming the building block (10) as a toroid (10), with a central opening (100) and a front surface (f) from which a first multiplicity of struts (11), which are tiltable relatively to the principal direction (z), is extending from the front surface (f), wherein more than one strut (11) is inclined with respect to the principal direction (z) so that a rotation of the toroid (10) around the principal direction (z) is possible.
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