[PDF] Top 20 Nonlinear energy transfer to improve the acoustic black hole effect
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Nonlinear energy transfer to improve the acoustic black hole effect
... Abstract. Acoustic Black Hole effect (ABH) describes a passive vibration mitigation technique used to damp out the flexural vibrations of thin structures such as ...where ... Voir le document complet
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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 ...where the thickness ... Voir le document complet
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A vibro-impact acoustic black hole for passive damping of flexural beam vibrations
... The Acoustic Black Hole (ABH) effect is a passive technique for mitigating vibrations based on the propagation properties of flexural waves in thin structures of variable ... Voir le document complet
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The acoustic black hole: A review of theory and applications
... t The Acoustic Black Hole (ABH) is a technique for passive vibration control that was recently developed within the Structural Dynamics and Vibroacoustics ...perspective, the ABH ... Voir le document complet
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Impact of the Langdon effect on crossed-beam energy transfer
... beams to propagate through long, underdense plas- mas in order to precisely deposit their energy at desired locations, but laser–plasma interactions can complicate the intended result ... Voir le document complet
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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 ...of the thickness of a ... Voir le document complet
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Linear and nonlinear dynamics of a plate with acoustic black hole, geometric and contact nonlinearity for vibration mitigation
... related to the ABH localisation effect and as a consequence to the ABH ...practice, the knowledge of this cut-on frequency is of particular importance for the design of ... Voir le document complet
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Combining nonlinear vibration absorbers and the Acoustic Black Hole for passive broadband flexural vibration mitigation
... developed to reduce structural vibrations and the result- ing structure-borne noise, especially in light-weight ...Thanks to the decreasing thickness, the vibration field is strongly ... Voir le document complet
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Experimental evidence of energy transfer and vibration mitigation in a vibro-impact acoustic black hole
... comparing the fast- ness of energy absorption in each measured con- ...displays the energy decay of the four different cases analysed ...before. The ef- fect of the ... Voir le document complet
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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 ...thickness. ... Voir le document complet
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The basic physics of the binary black hole merger GW150914
... y. The exact values of x and y can be found as when analyzing the normal modes of a resonant cavity: one uses separation of variables to solve the field equations, and then enforces the ... Voir le document complet
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TARGETED ENERGY TRANSFER PHENOMENA FROM PRIMARY STRUCTURES TO GEOMETRICALLY NONLINEAR LIGHTWEIGHT ATTACHMENTS: AN OVERVIEW
... TET from in-phase mode (a) (b) Figure 3. Resonance capture cascading: (a) Instantaneous frequency of the NES, with the levels corresponding to the two eigenfrequencies of the linear ... Voir le document complet
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Astrophysical Implications of the Binary Black-Hole Merger GW150914
... that the non-detection of eccentricity for GW150914 is not a surprise regardless of the BBH formation ...Since the spin magnitude is not expected to change during the XRB phase, ... Voir le document complet
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The basic physics of the binary black hole merger GW150914
... invitation to the field, at the beginning of the era of gravitational wave ...Acknowledgements. The authors gratefully acknowledge the sup- port of the United States ... Voir le document complet
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Quantum analogue of a Kerr black hole and the Penrose effect in a Bose-Einstein condensate
... Here, the flow velocity v(r) and the speed of sound c(r) are both functions of coordinates, determined by the un- perturbed condensate wavefunction ...order to ob- tain an analog of a Kerr ... Voir le document complet
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Integrability and Black-Hole Microstate Geometries
... have the same charges and mass as supersym- metric D1-D5-P black holes, but that cap off smoothly with no ...solutions, the null geodesic problem is completely integrable, due to the ... Voir le document complet
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Model of flexural wave scattering from an acoustic black hole in an infinite thin plate
... of the problem Let’s consider a flexural plane wave propagating toward an acoustic black hole of internal and external radii a and b respectively, implemented in an infinite plate of constant ... Voir le document complet
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Smooth horizonless geometries deep inside the black-hole regime
... construct the first family of horizonless supergravity solutions that have the same mass, charges and angular momenta as general supersymmetric rotating D1-D5-P black holes in five ...within ... Voir le document complet
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Nonlinear acoustic resonances to probe a threaded interface
... in the stress- strain response, odd harmonics are favored, resonance fre- quency exhibits a linear shift with level of excitation, 38 and a slow dynamic phenomenon ...46 The physical origins of these ... Voir le document complet
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Performance of nonlinear targeted energy transfer under stochastic and deterministic excitations
... Historically, the principle of Targeted Energy Transfer (TET) was initiated by the work of Gendelman et ...allows to highlight the efficiency of a NES to mitigate ... Voir le document complet
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