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Normal modes and acoustic properties of an elastic solid with line defects [PDF]
, 2014 The normal modes of a continuum solid endowed with a random distribution of line defects that behave like elastic strings are described. These strings interact with elastic waves in the bulk, generating wave dispersion and attenuation.
F. Lund
semanticscholar +3 more sources
Capillary hysteresis in sloshing dynamics: a weakly nonlinear analysis
Journal of Fluid Mechanics, 2018 The sloshing of water waves in a vertical cylindrical tank is an archetypal damped oscillator in fluid mechanics. The wave frequency is traditionally derived in the potential flow limit (Lamb, Hydrodynamics, Cambridge University Press, 1932), and the ...
F. Viola +2 more
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Macroscopic Quantum Test with Bulk Acoustic Wave Resonators. [PDF]
Physical Review Letters, 2022 Recently, solid-state mechanical resonators have become a platform for demonstrating nonclassical behavior of systems involving a truly macroscopic number of particles. Here, we perform the most macroscopic quantum test in a mechanical resonator to date,
B. Schrinski +7 more
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Anomalous Topological Edge States in Non-Hermitian Piezophononic Media. [PDF]
Physical Review Letters, 2020 The bulk-boundary or bulk-edge correspondence is a principle relating surface confined states to the topological classification of the bulk. By marrying non-Hermitian ingredients in terms of gain or loss with media that violate reciprocity, an ...
Penglin Gao +2 more
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Non-Hermitian elastodynamics in gyro-odd continuum media
Communications Materials, 2022 Linear elasticity has long been considered a well-established research area using conservative field theory. However, the discovery of odd-elasticity challenges the essential energy conservation assumption, which together with gyroscopic ingredients ...
Penglin Gao, Y. Qu, J. Christensen
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Nature Physics, 2019 A passive solid cannot do work on its surroundings through any quasistatic cycle of deformations. This property places strong constraints on the allowed elastic moduli.
Colin Scheibner +5 more
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Green's function method for dynamic contact calculations.
Physical Review E, 2021 Resolving atomic scale details while capturing long-range elastic deformation is the principal difficulty when solving contact mechanics problems with computer simulations.
J. Monti, L. Pastewka, M. Robbins
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Geophysical Research LettersSnow dampens sounds, but anecdotal reports concisely describe audible propagating collapse events—firnquakes—in Antarctic and Arctic snowfields. We propose combining granular and continuum mechanics to form a testable theory for conditioning, triggering,
A. Voigtländer, B. Gee
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Scalable variable-index elasto-optic metamaterials for macroscopic optical components and devices
Nature Communications, 2017 Optical metamaterials with an artificial subwavelength structure offer new approaches to implement advanced optical devices. However, some of the biggest challenges associated with the development of metamaterials in the visible spectrum are the high ...
Dongheok Shin +8 more
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Folding and faulting of an elastic continuum
Proceedings of the Royal Society A, 2016 Folding is a process in which bending is localized at sharp edges separated by almost undeformed elements. This process is rarely encountered in Nature, although some exceptions can be found in unusual layered rock formations (called ‘chevrons’) and ...
D. Bigoni, P. Gourgiotis
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