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Creators/Authors contains: "Miller, Max"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, Soft Matter)
    null (Ed.)
    We report a mechanical metamaterial-like behavior as a function of the micro/nanostructure of otherwise chemically identical aliphatic polyurea aerogels. Transmissibility varies dramatically with frequency in these aerogels. Broadband vibration mitigation is provided at low frequencies (500–1000 Hz) through self-assembly of locally resonant metastructures wherein polyurea microspheres are embedded in a polyurea web-like network. A micromechanical constitutive model based on a discrete element method is established to explain the vibration mitigation mechanism. Simulations confirm the metamaterial-like behavior with a negative dynamic material stiffness for the micro-metastructured aerogels in a much wider frequency range than the majority of previously reported locally resonant metamaterials. 
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  2. ; ; ; ; ; ; ; ; ; ; et al (, The Physics Teacher)
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  3. ; ; ; ; ; ; ; ; ; ; et al (, Physical Review D)
    null (Ed.)
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