Search Results - "Meesala, Vamsi C."
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Holographic mirrors for spatial ultrasound modulation in contactless acoustic energy transfer systems
Published in Applied physics letters (04-10-2021)“…This work introduces and investigates a flat acoustic mirror capable of efficiently manipulating a wavefront and creating an arbitrary pressure pattern in a…”
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Journal Article -
2
Acoustic-electroelastic interactions in ultrasound energy transfer systems: Reduced-order modeling and experiment
Published in Journal of sound and vibration (09-06-2020)“…Contactless ultrasound energy transfer from a piezoelectric cylinder or disk subjected to forced vibrations to a piezoelectric receiver offers the capability…”
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3
Nonlinear effects in high-intensity focused ultrasound power transfer systems
Published in Applied physics letters (10-08-2020)“…In the context of wireless acoustic power transfer, high-intensity focused ultrasound technology aims at the reduction of spreading losses by concentrating the…”
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Journal Article -
4
Parameter sensitivity of cantilever beam with tip mass to parametric excitation
Published in Nonlinear dynamics (01-03-2019)“…The sensitivity of the response of a parametrically excited cantilever beam with a tip mass to small variations in elasticity (stiffness) and the tip mass is…”
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Phenomenological model of piezoelectric energy harvesting from galloping oscillations
Published in Applied physics letters (04-11-2019)“…We present an experimentally validated phenomenological model that directly predicts levels of energy harvested from large oscillations of an object subjected…”
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6
Modeling and identification of electro-elastic nonlinearities in ultrasonic power transfer systems
Published in Nonlinear dynamics (2020)“…We establish a nonlinear non-conservative mathematical framework for the acoustic-electro-elastic dynamics of the response of a piezoelectric disk to…”
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7
Response variations of a cantilever beam–tip mass system with nonlinear and linearized boundary conditions
Published in Journal of Vibration and Control (01-02-2019)“…The distributed parameter governing equations of a cantilever beam with a tip mass subjected to principal parametric excitation are developed using a…”
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Book Review Journal Article -
8
Reflective acoustic holograms for arbitrary pressure patterning and focusing
Published in The Journal of the Acoustical Society of America (01-10-2020)“…Monolithic passive holographic lenses (MPHLs) are being proposed as an alternative technology to phased array transducers (PATs) and subwavelength structured…”
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Shock formation distance—A design parameter for high power acoustic energy transfer systems
Published in The Journal of the Acoustical Society of America (01-10-2020)“…An interesting consequence of the nonlinear propagation of a finite-amplitude acoustic wave is the formation of a discontinuity in the pressure or also known…”
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Journal Article -
10
Nonlinear acoustic-structure interaction in high intensity focused ultrasound power transfer systems
Published in The Journal of the Acoustical Society of America (01-10-2020)“…Ultrasound power transfer (UPT) has emerged as one of the most promising technique to wirelessly transfer power. The mechanism of UPT involves…”
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Journal Article -
11
Bifurcation-based MEMS mass sensors
Published in International journal of mechanical sciences (15-08-2020)“…•Exploit variations in the Hopf bifurcation response to design highly sensitive mass sensors using parametrically excited cantilever beam.•Proposeand model two…”
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Journal Article -
12
Analysis and prediction of shock formation in acoustic energy transfer systems
Published 24-11-2020“…Losses associated with nonlinear wave propagation and exhibited by acoustic wave distortion and shock formation compromise the efficiency of contactless…”
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Journal Article -
13
Nonlinear effects in high-intensity focused ultrasound power transfer systems
Published 22-06-2020“…In the context of wireless acoustic power transfer, high intensity focused ultrasound technology aims at the reduction of spreading losses by concentrating the…”
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Journal Article