TY - JOUR
T1 - One Single Static Measurement Predicts Wave Localization in Complex Structures
AU - Lefebvre, Gautier
AU - Gondel, Alexane
AU - Dubois, Marc
AU - Atlan, Michael
AU - Feppon, Florian
AU - Labbé, Aimé
AU - Gillot, Camille
AU - Garelli, Alix
AU - Ernoult, Maxence
AU - Mayboroda, Svitlana
AU - Filoche, Marcel
AU - Sebbah, Patrick
N1 - Publisher Copyright:
© 2016 American Physical Society.
PY - 2016/8/10
Y1 - 2016/8/10
N2 - A recent theoretical breakthrough has brought a new tool, called the localization landscape, for predicting the localization regions of vibration modes in complex or disordered systems. Here, we report on the first experiment which measures the localization landscape and demonstrates its predictive power. Holographic measurement of the static deformation under uniform load of a thin plate with complex geometry provides direct access to the landscape function. When put in vibration, this system shows modes precisely confined within the subregions delineated by the landscape function. Also the maxima of this function match the measured eigenfrequencies, while the minima of the valley network gives the frequencies at which modes become extended. This approach fully characterizes the low frequency spectrum of a complex structure from a single static measurement. It paves the way for controlling and engineering eigenmodes in any vibratory system, especially where a structural or microscopic description is not accessible.
AB - A recent theoretical breakthrough has brought a new tool, called the localization landscape, for predicting the localization regions of vibration modes in complex or disordered systems. Here, we report on the first experiment which measures the localization landscape and demonstrates its predictive power. Holographic measurement of the static deformation under uniform load of a thin plate with complex geometry provides direct access to the landscape function. When put in vibration, this system shows modes precisely confined within the subregions delineated by the landscape function. Also the maxima of this function match the measured eigenfrequencies, while the minima of the valley network gives the frequencies at which modes become extended. This approach fully characterizes the low frequency spectrum of a complex structure from a single static measurement. It paves the way for controlling and engineering eigenmodes in any vibratory system, especially where a structural or microscopic description is not accessible.
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U2 - 10.1103/PhysRevLett.117.074301
DO - 10.1103/PhysRevLett.117.074301
M3 - Article
C2 - 27563967
AN - SCOPUS:84982162823
SN - 0031-9007
VL - 117
JO - Physical review letters
JF - Physical review letters
IS - 7
M1 - 074301
ER -