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Acoustic Black Hole effect

Effects of geometrical nonlinearities on the acoustic black hole effect

Effects of geometrical nonlinearities on the acoustic black hole effect

... The Acoustic Black Hole effect (ABH) is a passive vibration damping technique without added mass based on flexural waves properties in thin structures with variable ...

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Nonlinear energy transfer to improve the acoustic black hole effect

Nonlinear energy transfer to improve the acoustic black hole effect

... [3] V. Denis, A. Pelat, F. Gautier, B. Elie, Modal overlap factor of a beam with an acoustic black hole termination. Journal of Sound and Vibration 333, 2475-2488, 2014. [4] D.J. OBoy, V.V. Krylov, ...

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Improvement of the acoustic black hole effect by using energy transfer due to geometric nonlinearity

Improvement of the acoustic black hole effect by using energy transfer due to geometric nonlinearity

... Abstract Acoustic Black Hole eect (ABH) is a passive vibration damping technique without added mass based on exural waves properties in thin structures with variable ...

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Combining nonlinear vibration absorbers and the Acoustic Black Hole for passive broadband flexural vibration mitigation

Combining nonlinear vibration absorbers and the Acoustic Black Hole for passive broadband flexural vibration mitigation

... The Acoustic Black Hole (ABH) effect refers to a special vibration damping technique adapt- ed to thin-walled structures such as beams or ...the Acoustic Black Hole ...

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Artificial cochlea and acoustic black hole travelling waves observation: Model and experimental results

Artificial cochlea and acoustic black hole travelling waves observation: Model and experimental results

... an acoustic black hole used as an anechoic end improves the quality of ...the acoustic black hole effect only as a way to attenuate wave ...the acoustic ...

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Artificial cochlea and acoustic black hole travelling waves observation: Model and experimental results

Artificial cochlea and acoustic black hole travelling waves observation: Model and experimental results

... an acoustic black hole used as an anechoic end improves the quality of ...the acoustic black hole effect only as a way to attenuate wave ...the acoustic ...

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A vibro-impact acoustic black hole for passive damping of flexural beam vibrations

A vibro-impact acoustic black hole for passive damping of flexural beam vibrations

... ABH effect is clearly visible with a more important decrease in the amplitudes of the high frequency part, showing that the two effects searched for an improvement are playing their ...The effect underlined ...

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Linear and nonlinear dynamics of a plate with acoustic black hole, geometric and contact nonlinearity for vibration mitigation

Linear and nonlinear dynamics of a plate with acoustic black hole, geometric and contact nonlinearity for vibration mitigation

... ABH effect of highly efficient vibration reduction at high frequency could be well observed, hence improving the average performance of the ABH plate to a great ...

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Experimental evidence of energy transfer and vibration mitigation in a vibro-impact acoustic black hole

Experimental evidence of energy transfer and vibration mitigation in a vibro-impact acoustic black hole

... mitigation; Acoustic Black Hole; Passive damping; Energy transfer; Vibro-impact nonlinearity ...the Acoustic Black Hole (ABH) effect, which attracts an increasing number ...

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Thermal imaging of the structural damping induced by an acoustic black hole

Thermal imaging of the structural damping induced by an acoustic black hole

... an acoustic black hole ...An Acoustic Black Hole (ABH) is a passive and efficient way to control the flexural vibrations of beams or ...trap effect occur, leading to a ...

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The acoustic black hole: A review of theory and applications

The acoustic black hole: A review of theory and applications

... ABH effect. The consequence of this reduction on the acoustic radiation into the domain surrounding the plate is discussed in several experimental and numerical ...ABH effect, and from the reduction ...

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Smooth horizonless geometries deep inside the black-hole regime

Smooth horizonless geometries deep inside the black-hole regime

... The black-hole information paradox reveals a profound conflict between Quantum Mechanics and General Rel- ativity [ 1 ...a black hole has an entropy given by the horizon area in Planck units, ...

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An Infinite-Dimensional Family of Black-Hole Microstate Geometries

An Infinite-Dimensional Family of Black-Hole Microstate Geometries

... of black hole microstate configurations that has been going on over the past few years has yielded several interesting pieces of ...original black-hole or black-ring geometry over to a ...

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Inverse scattering in de Sitter-Reissner-Nordström black hole spacetimes

Inverse scattering in de Sitter-Reissner-Nordström black hole spacetimes

... above), a partial answer was then given: the mass M and the modulus of the charge |Q| are uniquely determined from the leading terms of this high energy asymptotic expansion. Note that the indecision of the sign of the ...

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Sparse control of Hegselmann-Krause models: Black hole and declustering

Sparse control of Hegselmann-Krause models: Black hole and declustering

... Self-organization has thus been extensively studied, especially focusing on the emergence of patterns such as consensus or alignment that arise from inherent properties of certain dynamics. When consensus is not reached ...

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Astrophysical Implications of the Binary Black-Hole Merger GW150914

Astrophysical Implications of the Binary Black-Hole Merger GW150914

... Abilene Christian University, Abilene, TX 79699, USA Received 2016 January 29; accepted 2016 February 3; published 2016 February 11 ABSTRACT The discovery of the gravitational-wave (GW) source GW150914 with the Advanced ...

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Quantum analogue of a Kerr black hole and the Penrose effect in a Bose-Einstein condensate

Quantum analogue of a Kerr black hole and the Penrose effect in a Bose-Einstein condensate

... only recently 2D black holes with closed horizons have been implemented, which has already allowed to observe the superradiance effect [30]. However, only the propaga- tion of sound waves corresponding to ...

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Metastable supertubes and non-extremal black hole microstates

Metastable supertubes and non-extremal black hole microstates

... The calculation of the backreacted solution would also reveal whether the non-extremal mi- crostates obtained from metastable supertubes have ergospheres, as one expects [53] from the JMaRT solution [29], or have other, ...

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Properties of the Binary Black Hole Merger GW150914

Properties of the Binary Black Hole Merger GW150914

... Before discussing parameter estimates in detail, we consider how the inference is affected by the choice of the compact-binary waveform model. From Table I , we see that the posterior estimates for each parameter are ...

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Black hole singularities in the framework of gauge/string duality

Black hole singularities in the framework of gauge/string duality

... In the first two sections we first introduce the AdS Schwarzschild black hole geometry and then review some of the properties of real time correlation functions in fini[r] ...

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