Search Results - "Boechler, N."

Bifurcation-based acoustic switching and rectification by Boechler, N., Theocharis, G., Daraio, C.

“…Acoustic rectifiers are of relevance for applications such as biomedical ultrasound imaging. In these systems, amplification increases gradually with signal…”
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Discrete breathers in one-dimensional diatomic granular crystals by Boechler, N, Theocharis, G, Job, S, Kevrekidis, P G, Porter, Mason A, Daraio, C

“…We report the experimental observation of modulational instability and discrete breathers in a one-dimensional diatomic granular crystal composed of compressed…”
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Complex Contact-Based Dynamics of Microsphere Monolayers Revealed by Resonant Attenuation of Surface Acoustic Waves by Hiraiwa, M, Abi Ghanem, M, Wallen, S P, Khanolkar, A, Maznev, A A, Boechler, N

“…Contact-based vibrations play an essential role in the dynamics of granular materials. Significant insights into vibrational granular dynamics have previously…”
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Dynamics of a monolayer of microspheres on an elastic substrate by Wallen, S. P., Maznev, A. A., Boechler, N.

“…We present a model for wave propagation in a monolayer of spheres on an elastic substrate. The model, which considers sagittally polarized waves, includes:…”
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Interaction of a contact resonance of microspheres with surface acoustic waves by Boechler, N, Eliason, J K, Kumar, A, Maznev, A A, Nelson, K A, Fang, N

“…We study the interaction of surface acoustic waves (SAWs) with a contact-based vibrational resonance of 1 μm silica microspheres forming a two-dimensional…”
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A self-assembled metamaterial for Lamb waves by Khanolkar, A., Wallen, S., Abi Ghanem, M., Jenks, J., Vogel, N., Boechler, N.

“…We report the design and characterization of a self-assembled, locally resonant acoustic metamaterial for Lamb waves, composed of a monolayer of 1.02 μm…”
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Shear to longitudinal mode conversion via second harmonic generation in a two-dimensional microscale granular crystal by Wallen, S.P., Boechler, N.

“…Shear to longitudinal mode conversion via second harmonic generation is studied theoretically and computationally for plane waves in a two-dimensional,…”
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Resonant attenuation of surface acoustic waves by a disordered monolayer of microspheres by Eliason, J. K., Vega-Flick, A., Hiraiwa, M., Khanolkar, A., Gan, T., Boechler, N., Fang, N., Nelson, K. A., Maznev, A. A.

“…Attenuation of surface acoustic waves (SAWs) by a disordered monolayer of polystyrene microspheres is investigated. Surface acoustic wave packets are generated…”
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An increased accuracy laser-induced transient grating spectroscopy analysis method for probing near surface thermal diffusivity with gigahertz frequency instrumentation by Simmonds, M. J., Založnik, A., Patino, M. I., Baldwin, M. J., Boechler, N.

“…An updated analysis method for laser-induced transient grating spectroscopy measurements of near-surface thermal diffusivity using gigahertz frequency…”
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Erratum: “A self-assembled metamaterial for Lamb waves” [Appl. Phys. Lett. 107, 071903 (2015)] by Khanolkar, A., Wallen, S., Abi Ghanem, M., Jenks, J., Vogel, N., Boechler, N.

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Acoustic wave propagation in disordered microscale granular media under compression by Hiraiwa, M., Wallen, S. P., Boechler, N.

“…We investigate the effect of dynamic and uniaxial static loading on the wave speeds and rise times of laser generated acoustic waves traveling through a…”
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Defect modes in one-dimensional granular crystals by Man, Y, Boechler, N, Theocharis, G, Kevrekidis, P G, Daraio, C

“…We study the vibrational spectra of one-dimensional statically compressed granular crystals (arrays of elastic particles in contact) containing light-mass…”
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Contact-based and spheroidal vibrational modes of a hexagonal monolayer of microspheres on a substrate by Vega-Flick, A., Duncan, R.A., Wallen, S.P., Boechler, N., Stelling, C., Retsch, M., Alvarado-Gil, J.J., Nelson, K.A., Maznev, A.A.

“…We analytically study acoustic modes of a close-packed hexagonal lattice of spheres adhered to a substrate, propagating along a high-symmetry direction. The…”
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Intrinsic energy localization through discrete gap breathers in one-dimensional diatomic granular crystals by Theocharis, G, Boechler, N, Kevrekidis, P G, Job, S, Porter, Mason A, Daraio, C

“…We present a systematic study of the existence and stability of discrete breathers that are spatially localized in the bulk of a one-dimensional chain of…”
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Dependence of the kinetic energy absorption capacity of bistable mechanical metamaterials on impactor mass and velocity by Fancher, R., Frankel, I., Chin, K.C.H., Abi Ghanem, M., MacNider, B., Shannahan, L.S., Berry, J.F., Fermen-Coker, M., Boydston, A.J., Boechler, N.

“…Using an alternative mechanism to dissipation or scattering, bistable structures and mechanical metamaterials have shown promise for mitigating the detrimental…”
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A moisture probe based upon neutron moderation for in SITU use in a cone penetrometer system by Holslin, D., Johansen, F., Verbinski, V., Boechler, N.

“…A moisture probe based upon neutron moderation has been designed, tested and built for measuring the moisture concentration of hazardous waste stored in the…”
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Contact-based and spheroidal vibrational modes of a hexagonal monolayer of microspheres on a substrate by Vega-Flick, A., Duncan, R. A., Wallen, S. P., Boechler, N., Stelling, C., Retsch, M., Alvarado-Gil, J. J., Nelson, K. A., Maznev, A. A.

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Hysteresis loops and multi-stability: From periodic orbits to chaotic dynamics (and back) in diatomic granular crystals by Hoogeboom, C, Man, Y, Boechler, N, Theocharis, G, Kevrekidis, P G, Kevrekidis, I G, Daraio, C

“…This paper considers a statically compressed diatomic granular crystal, consisting of alternating aluminum and steel spheres. The combination of dissipation,…”
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Hysteresis loops and multi-stability: From periodic orbits to chaotic dynamics (and back) in diatomic granular crystals by Hoogeboom, C., Man, Y., Boechler, N., Theocharis, G., Kevrekidis, P. G., Kevrekidis, I. G., Daraio, C.

“…We consider a statically compressed diatomic granular crystal, consisting of alternating aluminum and steel spheres. The combination of dissipation, driving of…”
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Two disorders of the thyroid gland by Manns, L, Boechler, N E

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